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Job Number: R0252098 Linux Systems Administrator, Senior The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoW? We're looking for a system administrator who specializes in Linux systems administration to help us operate and maintain our clients' Linux-based systems. We focus on growing as a team, so we'll share techniques, work through challenges, and develop new methodologies together. What You'll Work On: Perform enterprise fleet O&M across multi‑enclave environments, including lifecycle sustainment for RHEL systems. Execute incident resolution, including troubleshooting OS, configuration, service, and platform‑level issues. Conduct post‑provisioning validation and onboarding of newly deployed systems. Manage host compliance through errata application, STIG and CIS alignment practices, and quarterly patch cycle execution. Perform vulnerability patching, remediation, and compliance verification across RHEL and Ubuntu systems. Perform directory integration validation and ensure correct binding of Linux hosts to identity services. Manage user and service accounts, ensuring proper onboarding, permissions, and lifecycle controls. Absorb operational workload associated with the onboarding of Ubuntu and emerging containerized platforms. Provide operational support for both Ubuntu and RHEL systems, including patching, troubleshooting, and lifecycle sustainment. Execute standard hygiene tasks such as log retention management, host health checks, and backup or restore verification. Maintain routine service and patching support across enclaves, ensuring consistent operational readiness. Resolve Tier 2 support tickets related to Linux platforms. Participate in patching windows for Linux systems and in audit activities related to enclave synchronization. Join us. The world can't wait. You Have: 12+ years of experience in a professional work environment Experience administering enterprise RHEL and Ubuntu systems Experience supporting multi‑enclave or multi‑tenant environments Knowledge of vulnerability remediation frameworks, errata processes, and patch orchestration Ability to troubleshoot complex issues across OS, network, storage, and platform layers TS/SCI clearance HS diploma or GED DoD 8570 IAT Level II Certification DoW 8140 Work Role Code 451 Intermediate Certification Nice If You Have: Red Hat Certified System Administrator (RHCSA) Certification ORLPIC-2 Certification Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $61,900.00 to $141,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided . Work Model Our people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role. Onsite: If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Responsibilities : Work in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on multiple networks, in multiple architectures. The ideal candidate will have hands-on Linux administration and scripting automation experience with knowledge of AWS Cloud technologies is a plus. Candidate must work well in a small team setting, have a desire to automate processes where possible, and a willingness to think outside the box to find solutions. Required : Active and current TS.SCI w FSP through MD Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Certifications: Compliance with DoD 8570.01-M with a minimum certification of IAT Level II (SEC+, CCNA) Strong Linux administration experience including configuring, patching, monitoring, troubleshooting, etc. Experience working with diverse teams to troubleshoot and resolve issues Experience creating, debugging, and implementing Bash, Python, Puppet, and/or Ansible automation scripts Ability to work in a team and mentor junior staff Self-motivated and willing to learn new technologies Ability to communicate issues with team members and/or service owners Desired: Experience with AWS, specifically EC2 Auto Scaling Education : Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. About Lentech, Inc. Lentech, Inc., provides technology-enabled IT Solutions and Mission Technical Solutions to civil, defense and intelligence customers. Through our accumulated years of experience, industry expertise, and strategic partnerships, Lentech has built mission-critical solutions for our federal and commercial customers. Lentech's clients achieve full life-cycle support and cost-effective managed services supporting enterprise computing and applications initiatives for Government agencies. Lentech's Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields. Lentech, Inc. is a performance-based company providing team members with challenging and interesting work, competitive pay, and comprehensive benefits such as healthcare, wellness, financial and retirement programs, family support, continuing education, and time off benefits. As an Employee Stock Ownership Plan (ESOP) company, our employees have an ownership stake in the organization and share in its long-term success. We focus on providing an environment of fun, sharing, collaboration, and connection. Our culture is team-oriented, non-hierarchical, and entrepreneurial, giving people a chance to participate and be a meaningful factor in the company's growth and success. Lentech, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, protected veteran status, or any other characteristic protected by applicable law. The proposed salary range is up to $158,784.00 $169,575.00

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Linux Systems Administrator with 10+ years of experience and a technical degree to support secure, mission-critical environments. The ideal candidate will have experience with firewall rules, Ansible scripting, Linux administration, and virtualized environments. You should have practical experience with CI/CD pipelines and containerization tools. managing system performance and security, troubleshooting complex infrastructure issues, and deploying and maintaining Kubernetes clusters and containerized applications. Responsibilities include implementing security hardening and vulnerability remediation, managing container orchestration and high availability, and leveraging automation and Infrastructure as Code tools such as Ansible, Terraform, Git, Jenkins, and GitLab CI/CD to streamline infrastructure provisioning, configuration management, and deployment workflows. Required Qualifications 10+ years of professional experience in systems administration or a closely related field Active TS/SCI clearance with Polygraph Extensive hands-on experience administering Linux operating systems in enterprise or mission-critical environments Demonstrated experience deploying, operating, and troubleshooting Kubernetes clusters and containerized applications Strong knowledge of container technologies, including Docker, containerd, and OCI-compatible images Experience with scripting and automation using Bash, Python, or similar languages Proficiency with configuration management and Infrastructure as Code tools, such as Ansible and Terraform Experience with Git-based version control and CI/CD platforms Strong understanding of TCP/IP networking, DNS, routing, firewalls, load balancing, and Linux network troubleshooting Experience with system monitoring, log analysis, performance tuning, and root cause analysis Knowledge of Linux and container security, system hardening, vulnerability remediation, and access control Ability to work independently, manage competing priorities, and communicate technical issues effectively Preferred Qualifications Experience working with Red Hat Enterprise Linux and Kubernetes distributions such as Red Hat OpenShift or Rancher Kubernetes Familiarity with GitOps tools such as Argo CD or Flux Experience with Helm, Kustomize, and Kubernetes operators Experience implementing DISA STIGs, Security Content Automation Protocol (SCAP) assessments, and vulnerability remediation workflows Familiarity with security monitoring tools such as Splunk and enterprise observability platforms Experience with virtualization platforms such as VMware vSphere or KVM Experience supporting disconnected, air-gapped, or restricted-network environments Knowledge of storage platforms, SAN/NAS, persistent storage, and distributed storage solutions Relevant certifications such as Red Hat Certified Engineer (RHCE), Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), or comparable credentials Perks and Benefits: 8 weeks paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11 paid holidays and optional leave up to 6 days through Belay's volunteer program 10% matching in 401(k) contributions vested on day one $5,000 annual training/tuition Student Loan Repayment Program 100% company-funded HSA Rich medical coverage (100% coinsurance) Dental coverage including orthodontia Up to $420,000 in life insurance, premiums 100% company funded Amazon Prime, gym reimbursement, monthly lunches, games and prizes Pet adoption program, generous referral bonus program, fun events, and more! At Belay, we are committed to creating an environment where you can thrive both professionally and personally. We believe in transparency and fairness in compensation. Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. Belay offers a competitive total compensation package that includes benefits and perks, a flexible work-life balance, and career development. Salary Range: $168,000.00 to $195,000.00 Belay Technologies is a certified Service-Disabled Veteran-Owned Small Business located in Columbia, Maryland (Baltimore/Washington area). Belay Technologies specializes in systems automation and full stack development. Belay Technologies provides leading technology and engineering solutions to the DoD, as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services. We are an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law. Powered by JazzHR LrzD2qjmnt

Position: Linux Administrator – Systems Administrator Level 2 Location: Fort Meade, MD Employment Type: Full-Time Clearance Requirement: Active TS/SCI with Polygraph Salary Range: $165,000 – $200,000 / year (dependent on experience, education, and skill set) About the Role Seeking a skilled and innovative Linux Administrator (Systems Administrator Level 2) to join a high-performing systems team supporting a hybrid cloud environment in Fort Meade, MD. In this role, you will assist in designing systems architecture and deploying solutions across multiple networks and diverse infrastructures. You will provision, configure, maintain, and troubleshoot enterprise Linux instances while driving infrastructure automation and process optimization across the ecosystem. Key Responsibilities Provision, configure, patch, monitor, and troubleshoot Linux server instances across multiple isolated networks and hybrid cloud architectures. Design, build, debug, and maintain infrastructure automation scripts and configuration management routines using Bash, Python, Puppet, and/or Ansible. Collaborate with multi-disciplinary engineering and operations teams to isolate root causes and resolve complex system issues. Support systems architecture design and continuous operational improvements. Interface with service owners, technical leads, and teammates to communicate system status, risk mitigations, and performance metrics. Provide technical mentorship and guidance to junior administration staff. Required Qualifications & Experience Security Clearance: Active TS/SCI with Polygraph. Experience & Education: Bachelor's degree in a technical discipline from an accredited institution plus at least 10 years of Systems Administration experience on programs/contracts of similar scope and complexity, OR 15 years of relevant Systems Administration experience without a degree (5 additional years substituting for the degree). Certifications: DoD 8570/8140 IAT Level II baseline certification (e.g., Security+ CE, CCNA Security, or equivalent). Operating Systems: Strong, hands-on Linux system administration background, including installation, hardening, patch management, performance monitoring, and diagnostics. Automation & Scripting: Demonstrated proficiency writing and debugging automation scripts using tools such as Bash, Python, Puppet, or Ansible. Desired Qualifications Hands-on experience with Amazon Web Services (AWS), specifically configuring and managing EC2 Auto Scaling groups. Practical experience utilizing the AWS CLI (aws-cli) and AWS SDK for Python (boto3) to automate cloud infrastructure tasks. Benefits & Compensation This position offers a comprehensive benefits package designed to support employees both personally and professionally: Comprehensive Health, Dental, and Vision Insurance Basic Life and Disability Insurance Paid Time Off (PTO) and Paid Holidays Paid Parental Leave 401(k) Retirement Plan with Company Match Tuition Reimbursement for continued education and professional certifications An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law.

Erias Ventures was founded to serve its customers with an entrepreneurial mindset. We value creative problem-solving , open communication , and empowering our employees to make decisions and put forth new ideas. Our staff includes technical experts working across multiple disciplines, bringing diverse perspectives to every project. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Description We are seeking a talented Linux Systems Administrator to provide system support across multiple operating system with a security understanding and experience. Clearance A current Top-Secret/SCI with polygraph security clearance is required. Candidates cannot be sponsored or nominated for a government security clearance under this position. Experience Ten (10) years experience as a SA in programs and contracts of similar scope, type and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Five (5) years of additional SA experience on projects with similar software processes may be substituted for a bachelor's degree. Required Skills Strong working knowledge with Linux Knowledgeable with Ansible (Playbooks) Knowledgeable with Scripting (Bash/Python) Cabling, Documentation, Rack & Stack IAVA Patching Manage the daily activities of configuration and operation of IT systems Aid users in accessing and using IT systems Configure Cisco / Palo Alto Switches Firewalls Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices STE/STN Compliance / Nessus Scanning / Vulnerability Analysis 10 years experience as SA + Bachelors Degree in technical discipline (5 years experience can be substituted for degree) CWIP Cert: IAT Level 2 Desired Skills Redhat Certified Engineer (RedHat Enterprise Linux installation (RHEL): expert level installation, maintenance, and troubleshooting) Knowledgeable with virtual machines Setting up IPSEC Tunnels/VPN Tunneling Familiar with Containerization (Dockers / Kubernetes) Benefits Erias Ventures provides a complete package of wealth, health, and happiness benefits. The expected salary range for this position, depending on education and years of experience is $175,000 - $225,000. Wealth Benefits Above Market Hourly Pay 11% Roth or Traditional 401k with Immediate Vesting and Deposit Spot Bonuses for Assisting with Business Development and Company Growth Professional Development Bonuses for Certificates and Degrees Health Benefits: Company subsidized Medical Coverage 100% Company Paid Vision and Dental Coverage 100% Company Paid Long Term Disability, Short Term Disability, and Group Life Insurance Monthly Wellness Reimbursement Happiness Benefits: Paid Time Off with Flexible Work Schedules and Birthday Off Amazon Prime Membership and Monthly Internet Reimbursement Technology and Productivity Allowance for Equipment and Supplies Morale Building and Company Events to Celebrate our Successes and Build our Community Onboarding and Annual Swag Company Paid Professional Development and Training At Erias Ventures, we are dedicated to fostering a diverse and inclusive workplace. As an equal opportunity employer, we ensure that all qualified applicants are considered for employment based on merit, without discrimination. We welcome individuals regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Referrals & Inquiries Do you know a cleared professional seeking to advance their career? Interested in earning some extra cash? If so, refer them to us with their name and contact details, and you could be eligible for a referral bonus of up to $10,000 for each successful hire. Not seeing the right position right now? Reach out to us, and we'll notify you as new contracts and opportunities become available! Please Send Referrals And Inquiries To jobs@eriasventures.com To learn more about our company visit our webpage or LinkedIn.

Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking for someone like you to join our team at APL! We are seeking a Linux System Administrator to join the Weapons and Countermeasures group to support secure Analysis Facilities. In this role, you will apply Risk Management Framework (RMF) principles, develop new IT capabilities in secure networks, and provide advanced system administration across complex classified infrastructures, helping drive innovation, security, and operational excellence. A true mix of technical execution, collaboration with peers in the group and wider organization to solve system administration challenges and establishing Linux standards. As a Linux Systems Administrator you will... Plan, build, validate, deploy, maintain, and upgrade computing and networking infrastructure. Specifically, via system administration of Linux-based systems, modern platforms, and grid servers. Recommend and implement changes that meet security protocols, the overall mission, and builds on the engineering team capabilities. Design, implement, and enforce system security hardening standards (STIG) in accordance with established compliance frameworks (RMF, NIST, etc.) Support installation and management of engineering, scientific, and analysis applications in secure, classified environments such as GitLab and MATLAB. Solve complex technical issues that impact system availability, performance, or security. Conduct routine system patching, upgrades, performance tuning, and security hardening. Integrate Linux systems with Windows platforms to support hybrid workflows in simulation environments. Manage a mixed operating system environment to validate new applications, configurations, and upgrades before deployment to production systems. Establish new user accounts and provide technical briefing to new users. Support facility and resident classified and unclassified IT needs. Manage user accounts, permissions, authentication services and system resources. Collaborate with engineers, cybersecurity staff, and program managers to ensure mission success. Develop and maintain operational documentation and standard operating procedures for assigned networks. Administer and troubleshoot network infrastructure to include switches, firewalls and type I network encryptors. Common technologies include Cisco, Aruba network switches, GD TACLANES, configuration of VLANS, port channels, routing and network security features. Work closely with the Information Assurance team to ensure compliance with DoD cybersecurity requirements. Determine necessary computer and software configurations for compliance with security requirements. Provide technical guidance on the mitigation of identified system vulnerability. Prepare for and support periodic security inspections. Build and configure new Linux systems and upgrade existing servers and workstations. Plan and execute software maintenance and upgrade tasks for servers, workstation and network software. Participate in the planning of facility, computer hardware, and software upgrades (including purchases) in order to support existing and emerging user needs. Work with users to gather system requirements. Qualifications You meet our minimum qualifications for the job if you... Have a Bachelor's degree in Computer Science, Information Technology, or related field, or have equivalent experience. 6 years of relevant work experience may be considered in lieu of education. Possess 5+ years of professional experience as a Linux systems administrator in secure or complex environments. Have 1+ years of experience working with DoD Information Systems. Experience should include independent planning, building, deploying, operating, and troubleshooting Linux workstations and servers. Familiarity with one or more of the following: Windows Active Directory, Linux Command line, Ansible, Samba, TCP/IP protocols, Storage Area Networks, Logical Volume Manager (LVM), NetApps, SLURM, virtualization. Are a strong teammate with a focus on exchanging information and collaboration. Are proficient in various operating systems, including some of the following: Linux operating systems (RHEL7, RHEL8, RHEL9) Have knowledge of interoperability between Linux and Windows systems. Have experience administering systems in classified environments, with an understanding of secure operations, auditing, and following compliance frameworks (RMF, NIST, etc.) Have excellent written and verbal communication skills with the ability to collaborate across engineering, program, and security teams. Are proactive, self-motivated, and comfortable making technical decisions through supported justifications. Hold a current DoD 8570 certification (Security+, CASP, CISSP). All work will be onsite in secure facilities with limited access to personal owned devices. Hold an Interim Secret level security clearance and can ultimately obtain a Top-Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship. You'll go above and beyond our minimum requirements if you... Have a M.S. degree in Computer Science, Information Technology or related degree. Have demonstrated experience working with the following operating systems and technologies: Windows Server 2022, Windows 11, and Red Hat Enterprise Linux 8, 9, and 10 or greater, Active Directory integration and authentication services, and DNS, Group Policy and cross-platform access issues. Experience with security auditing and configuration management tools (Ansible, SPLUNK, ACAS, PURIFILE, etc.) Have some experience with programming/scripting languages. Possess MSCA, RHCE, CCNA or other relevant certifications Are willing and able to travel to remote field locations to support test events (less than 5%) Possess current TS/SCI clearance About Us Why Work at APL? The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates. At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL's campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at https://www.jhuapl.edu/careers. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact Accessibility@jhuapl.edu. The referenced pay range is based on JHU APL's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis. Minimum Rate $105,000 Annually Maximum Rate $290,000 Annually

Edgewater Federal Solutions is seeking a Senior Linux Administrator to support IT program at a major national laboratory. The successful candidate will support a wide range of mission-critical computing and engineering objectives. The requirements for these services vary in range and scope, from single-system administration and user support to highly complex, cutting-edge technologies. Specific examples of these requirements include operating system and application administration and modification, cybersecurity, scripting and code development, high-performance computing (HPC), knowledge of hardware specifications, cloud maintenance, disaster recovery support, implementation and maintenance, scripting, programming, and computational scheduling. Responsibilities Monitor, maintain, and repair physical and virtual server systems. Resolve technical issues affecting hardware, operating systems, or applications. Apply operating system or application patches, install or replace hardware, and implement configuration changes to improve or restore system performance. Perform system capacity analysis and planning. Assist users in accessing and using business systems. Develop instructions and procedures for system maintenance, create scripts to automate monitoring and repair tasks, and conduct quality assurance checks. Collaborate with customers, subject matter experts, and architects to analyze, evaluate, and optimize systems. Contribute to process development and system improvement efforts. Qualifications BS in relevant discipline plus minimum 2 years or more years of directly related experience that demonstrates the knowledge, skills, and ability to perform the duties of the job. The ability to acquire and maintain a DOE Q level security clearance and possibly could require an elevated level clearance, which may require a polygraph test US Citizenship required Candidate must reside in the Albuquerque area as primary work location is onsite (work from home 1 day/week). Required Skills: Must have strong experience as a Linux System Administrator Experience in Python and Bash scripting languages Experience in Git source code management Desired: Active DOE Q and SCI security clearances Current Security+ or higher certification Experience with Linux systems administration Experience with DevOps and CI/CD practices and tools Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee may be regularly required to stand, sit, talk, hear, reach, stoop, kneel, and use hands and fingers to operate a computer, telephone, keyboard, and standard office equipment. Specific vision abilities required by this job include close vision requirements due to computer work. The employee must occasionally lift and/or move up to 15 pounds. Fine hand manipulation (keyboarding). Work Environment: The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Exposure to general office conditions while conducting office duties Moderate noise (i.e., business office with computers, phone, and printers, light traffic) Ability to work in a confined area Ability to work in a secure environment. Ability to sit at a computer terminal for an extended period About Us: Edgewater Federal Solutions is a privately held government contracting firm located in Frederick, MD. The company was founded in 2002 with the vision of being highly recognized and admired for supporting customer missions through employee empowerment, exceptional services and timely delivery. Edgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies for 2018 through 2025. It has been and continues to be the policy of Edgewater Federal Solutions to provide equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, marital status, veteran status, and/or other statuses protected by applicable law.

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator/Principal Systems Administrator to maintain and enhance Linux Systems and Infrastructure for the National Air and Space Intelligence Center (NASIC) at Wright Patterson Air Force Base in Dayton, OH. NASIC is responsible for creating all-source intelligence defining the present and future air, air defense, cyber, space and ballistic missile threats to enable military operations, force modernization, and policy making. Successful candidates will clearly demonstrate strong technical skills to achieve high availability, security, and integrity for the operating environment. They should have a track record as an effective communicator and problem solver who is able to develop and maintain good working relationships with internal and external stakeholders. This requisition may be filled at a higher level based on the qualifications listed below. Basic Qualifications For a Systems Administrator Active Department of Defense Top Secret/Sensitive Compartmented Information security clearance IAT Level II certification such as SecurityX (formerly CASP+) or Security+ One of the following: High school diploma or GED equivalent with 6 Years relevant experience may be substituted in lieu of a degree Bachelor's degree in a Science, Technology, Engineering or Math discipline with 2 Years related experience Master's degree in a Science, Technology, Engineering or Math discipline with 0 Years related experience Minimum of three years of experience with Systems Administration for Linux Operating Systems such as RedHat Enterprise Linux (RHEL), CentOS, or Rocky Linux. Candidate must demonstrate strong troubleshooting and problem-solving skills Basic Qualifications For a Principal Systems Administrator Active Department of Defense Top Secret/Sensitive Compartmented Information security clearance IAT Level II certification such as SecurityX (formerly CASP+) or Security+ One of the following: High school diploma or GED equivalent with 9 Years relevant experience may be substituted in lieu of a degree Bachelor's degree in a Science, Technology, Engineering or Math discipline with 5 Years related experience Master's degree in a Science, Technology, Engineering or Math discipline with 3 Years related experience Minimum of three years of experience with Systems Administration for Linux Operating Systems such as RedHat Enterprise Linux (RHEL), CentOS, or Rocky Linux. Candidate must demonstrate strong troubleshooting and problem-solving skills Preferred Qualifications Experience with network administration and related infrastructure Experience with scripting using tools such as Python, Perl, Bash, PowerShell, etc. Experience with hardware installation and maintenance to include firmware upgrades Experience in enterprise backup and restore solutions, storage area network (SAN), and network attached storage (NAS) Experience with Atlassian tools such as Jira and Confluence Experience with DevOps architecture such as Kubernetes, Nexus, Harbor, Docker, GitLab, etc. #CWI2026 Primary Level Salary Range: $75,800.00 - $113,800.00 Secondary Level Salary Range: $94,200.00 - $141,200.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Description If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoW's largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will be providing your Linux Systems Administration expertise to ensure DoW scientists have reliable access to these critical resources and in turn, will be directly supporting the warfighter. All work will be performed at our customer's site on Wright-Patterson Air Force Base in Dayton, OH and a Top Secret Clearance is required to begin work on the program. What You'll Do Serve as Deputy Team Lead over the local System Administration Functional team. Provide for RedHat Linux systems administration, performance tuning, client security administration, systems software support, and technology assessments in support of a multi-platform UNIX environment. Perform systems enhancement, configuration, maintenance, installation, interfaces, coordination, and software installations and upgrades to UNIX operating systems and layered software packages. Monitor and tune systems to achieve optimum level of performance in accordance with established policies, procedures, and service level agreements. Perform acceptance testing of modules, subsystems, and total systems. Perform software installation and configuration. Monitor log files, performance issues, and the production environment for mission critical systems Demonstrate ability to set priorities and organize work to meet deadlines Ensure compliance with established standards, policies, and configuration guidelines Required Qualifications Must hold an active in scope TOP SECRET clearance or have the ability to obtain Interim TOP SECRET eligibility prior to start. (US Citizenship required) Must hold a bachelor's degree and at least 8 years of equivalent experience, or a master's degree and 6 years of experience. Must hold current DOD 8570 IAT II certification (Linux+, CCNA-Security, CND, CySA+, GICSP, GSEC, Security+ CE, or SSCP) prior to start. Communicates effectively both orally and in a written form with users and office staff Demonstrated Linux expertise managing bare metal and virtualized systems Hands on experience patching, managing, and responding to DoW STIGs including POAM remediations Experience supporting and working with ISSO's and ISSM's Proficient in Ansible or equivalent configuration management experience Preferred Qualifications Proficiency in Linux storage subsystems Experience managing RedHat Satellite systems Experience managing containerized services within Kubernetes Ability to write, diagnose, and optimize scripts written in bash, python, or perl Familiarity managing virtual systems within VMware Windows Server and workstation experience If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting October 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com. Pay And Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits. Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Featuredjob

Description Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical experience with administering Linux servers within a within a physical and virtual environment. This role is responsible for interacting with administrators to handle service inquiries and problems. Duties include examining customer problems and implementing appropriate corrective action to initiate a repair or return to service. This role analyzes recurring problems and initiates solutions for preventing reoccurrence and analyzes existing infrastructure for tuning/performance enhancements. This Individuals in this role may be required to perform technical software configuration, rebooting, and other remedial actions on customer servers. This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus. Primary Responsibilities Provide technical support, administration, and monitoring of Linux systems within a physical and virtual environment. Provide support for the implementation, troubleshooting and maintenance of IT systems. Rapidly distinguish isolated user problems from enterprise-wide application/system problems. Support operations, maintenance and troubleshooting for end user workstations, to include desktop applications Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements. Seek opportunities for continuous improvement to support effective and efficient operations Develop solutions to complex technical issues. Provide follow-up reports (technical findings, feedback, resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives. Support customer requirements in a dynamic, fast-paced environment. Provide on-call support during outages occurring after hours; may involve shift work. Update operations and monitoring documentation for 24/7/365 Operations Watch personnel. Basic Qualifications Requires a Bachelor's degree and 8+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree. System security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing Possesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature requiring originality and innovation in determining how to accomplish tasks. Background in Linux or UNIX server setup, deployment and maintenance Experience using Red Hat Satellite Server and/or Spacewalk for patching and system management Experience with hardening Linux environments Experience with system administration of server operating systems such as Linux (RHEL, Rocky Linux, Oracle Linux, Ubuntu) Familiarity with supporting virtual desktops running Microsoft Windows Experience with configuration management tools such as Ansible, Salt, Puppet, Chef Experience with Scripting/Automation through Linux Shell scripts, PowerShell, PowerCLI, or other scripting languages Experience troubleshooting issues in a growing environment Experience with log reviews, incident analysis, and identification of issue trends Experience with server patch management methodologies Time management skills with the ability to work within an IT Service Management/ticketing system independently Ability to triage and properly classify incidents and prioritize work efforts accordingly Strong oral and written communications skills Experience establishing goals and plans that meet project objectives Track record of working effectively within a team, and support to peers toward improved processes and results Perform systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance. Must be able to work independently to develop solutions to technical problems. Certification relating to Linux such as Red Hat Certified System Administrator (RHCSA) Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher) Clearance Active TS/SCI clearance with Polygraph required OR active TS/SCI and willingness to get a Poly. US Citizenship is required due to the nature of the government contracts we support. Preferred Qualifications Knowledge of AWS or Azure cloud services and the cloud ecosystem. Experience operating and maintaining systems in a Windows environment Certification relating to VMware (VCA/VCP) Experience with SAN or network storage setup and administration Experience working in an Agile environment Experience with troubleshooting within a security environment Experience with backup and restore procedures If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting October 20, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com. Pay And Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits. Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Erias Ventures was founded to serve its customers with an entrepreneurial mindset. We value creative problem-solving , open communication , and empowering our employees to make decisions and put forth new ideas. Our staff includes technical experts working across multiple disciplines, bringing diverse perspectives to every project. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Description We are seeking a talented Linux Systems Administrator to provide system support across multiple operating system with a security understanding and experience. Clearance A current Top-Secret/SCI with polygraph security clearance is required. Candidates cannot be sponsored or nominated for a government security clearance under this position. Experience Fifteen (15) years experience as a SA in programs and contracts of similar scope, type and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Five (5) years of additional SA experience on projects with similar software processes may be substituted for a bachelor's degree. Required Skills Strong working knowledge with Linux Knowledgeable with Ansible (Playbooks) Knowledgeable with Scripting (Bash/Python) Cabling, Documentation, Rack & Stack IAVA Patching Manage the daily activities of configuration and operation of IT systems Aid users in accessing and using IT systems Configure Cisco / Palo Alto Switches Firewalls Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices STE/STN Compliance / Nessus Scanning / Vulnerability Analysis 10 years experience as SA + Bachelors Degree in technical discipline (5 years experience can be substituted for degree) CWIP Cert: IAT Level 2 Desired Skills Redhat Certified Engineer (RedHat Enterprise Linux installation (RHEL): expert level installation, maintenance, and troubleshooting) Knowledgeable with virtual machines Setting up IPSEC Tunnels/VPN Tunneling Familiar with Containerization (Dockers / Kubernetes) Benefits Erias Ventures provides a complete package of wealth, health, and happiness benefits. The expected salary range for this position, depending on education and years of experience is $230,000 - $270,000. Wealth Benefits Above Market Hourly Pay 11% Roth or Traditional 401k with Immediate Vesting and Deposit Spot Bonuses for Assisting with Business Development and Company Growth Professional Development Bonuses for Certificates and Degrees Health Benefits: Company subsidized Medical Coverage 100% Company Paid Vision and Dental Coverage 100% Company Paid Long Term Disability, Short Term Disability, and Group Life Insurance Monthly Wellness Reimbursement Happiness Benefits: Paid Time Off with Flexible Work Schedules and Birthday Off Amazon Prime Membership and Monthly Internet Reimbursement Technology and Productivity Allowance for Equipment and Supplies Morale Building and Company Events to Celebrate our Successes and Build our Community Onboarding and Annual Swag Company Paid Professional Development and Training At Erias Ventures, we are dedicated to fostering a diverse and inclusive workplace. As an equal opportunity employer, we ensure that all qualified applicants are considered for employment based on merit, without discrimination. We welcome individuals regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Referrals & Inquiries Do you know a cleared professional seeking to advance their career? Interested in earning some extra cash? If so, refer them to us with their name and contact details, and you could be eligible for a referral bonus of up to $10,000 for each successful hire. Not seeing the right position right now? Reach out to us, and we'll notify you as new contracts and opportunities become available! Please Send Referrals And Inquiries To jobs@eriasventures.com To learn more about our company visit our webpage or LinkedIn.

Role: Linux System Administrator Location: Fairfax, VA Salary: $130,000 - $220,000 + Benefits (Total Compensation up to $330,000) Clearance: Active TS clearance Benefits 25% Employer-funded 401(k) contribution Benefits Account worth 25% of base salary (take as benefits or additional compensation) 8 Weeks PTO (option to increase) Medical, Dental & Vision Insurance Life Insurance 100% tuition reimbursement (Degrees, Certifications & Professional Development) Flexible working hours The Opportunity We are looking for a Linux System Administrator to join a specialist technology organization supporting mission-critical systems across the US Intelligence and National Security community. As demand across several long-standing programs continues to grow, they are looking to add a Linux System Administrator to their Fairfax, VA team. This is an opportunity to work in a large-scale enterprise environment supporting infrastructure that underpins some of the most technically challenging and important missions. The role offers exposure to both traditional enterprise platforms and modern cloud-native technologies, making it ideal for someone who enjoys solving complex infrastructure problems while continuing to develop their technical skillset. Responsibilites Administering and supporting enterprise Linux environments Maintaining infrastructure across physical, virtual and cloud-based platforms Managing operating system upgrades, patching and security remediation Monitoring system performance, availability and capacity Troubleshooting hardware, operating system and network-related issues Supporting application deployments and infrastructure enhancements Building, testing and validating new server environments Working closely with engineering teams to improve automation, reliability and scalability What We're Looking For Strong Linux administration experience (RHEL, CentOS, Rocky Linux or similar) Experience supporting enterprise-scale infrastructure environments Scripting and automation skills using Bash, Python or similar Understanding of networking fundamentals including switching, subnets and VLANs Experience working with virtualized environments Knowledge of system security, hardening and vulnerability remediation Strong troubleshooting and problem-solving abilities Security+ or CISSP certification Desirable Experience Kubernetes, Docker or containerized environments Cloud platforms and cloud-native architectures Puppet, GitLab or other configuration management tools GPFS / IBM ESS Directory services administration Enterprise storage technologies including SAN and Fibre Channel Clearance Requirement Applicants must hold an active TS clearance with SCI eligibility . Keywords Linux Administrator, Linux Systems Administrator, Systems Engineer, Infrastructure Engineer, Red Hat, RHEL, CentOS, Rocky Linux, Kubernetes, Docker, Cloud Engineer, DevOps, Puppet, GitLab, Python, Bash, VMware, Storage, SAN, Fibre Channel, TS Clearance, TS/SCI Eligible, Intelligence Community, Defense, Government Contracting.