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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.

Want to learn more about this role and Jobot? Click our Jobot logo and follow our LinkedIn page! Job details: This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Easy Apply" button and sending us your resume. Salary: $130,000 - $180,000 per year A bit about us: We are a leading global tech company on the cutting edge of cloud and data solutions. With a strong emphasis on innovation, inclusivity, and work-life balance, we foster a dynamic environment for career growth. With a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. This role requires a TS/SCI clearance WITH a Full-scope polygraph (FSP) through the NSA 100% Onsite role As a Linux Systems Administrator on our team, you will be responsible for managing and optimizing enterprise-level systems. You will also provide technical leadership, handle system configurations, software updates, issue resolution, and customer support while working closely with internal teams and clients. Why join us? Competitive Pay DOE Comprehensive Benefits Package that is top-of-market 401k with a match Generous PTO Top-notch work/life balance, career growth, and exceptionally high employee satisfaction More! This role requires a TS/SCI clearance WITH a Full-scope polygraph (FSP) through the NSA 100% Onsite role Job Details MUST HAVE: BS in a related field 3-7+ years of linux systems administration experience, Redhat, SUSE linux TS/SCI-FSP clearance through the NSA Experience with large-scale/enterprise-level HPC (high-performance computing) systems NICE TO HAVE: Certifications such as Linux+, RHCSA, RHCE, and networking certifications Interested in hearing more? Easy Apply now by clicking the "Easy Apply" button. Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot's policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions. Sometimes Jobot is required to perform background checks with your authorization. Jobot will consider qualified candidates with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the Los Angeles Fair Chance Initiative for Hiring and the San Francisco Fair Chance Ordinance. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: jobot.com/privacy-policy Want to learn more about this role and Jobot? Click our Jobot logo and follow our LinkedIn page!

Position: Linux System Administrator Level 2 Location: Annapolis Junction, MD Employment Type: Full-Time Clearance Requirement: Active TS/SCI with Polygraph Salary Range: $118,000 – $142,000 / year (dependent on experience, education, and skill set) About the Role Seeking an experienced Linux System Administrator (Level 2) to provide comprehensive systems administration, operations, troubleshooting, and infrastructure support in Annapolis Junction, MD. In this role, you will manage day-to-day operations and configurations across enterprise client, server, storage, network, and mobile systems. You will handle Tier 1 and Tier 2 escalations, execute server and workstation upgrades, perform physical hardware installations, optimize resource utilization, and maintain UNIX/Linux and Windows operating environments to maximize system reliability and performance. Key Responsibilities Configure, manage, patch, and maintain enterprise Linux (CentOS 7, Rocky 9, RHEL 9) and Windows operating systems. Provide Tier 1 and Tier 2 troubleshooting, incident diagnosis, and issue resolution for client, server, storage, and network components. Execute hardware and software installations, system upgrades, and migrations for servers, workstations, and laptops. Support Secure the Enterprise (STE) requirements and customer-specific secure data transfer processes. Optimize system operations and resource allocation; perform ongoing system capacity planning and performance analysis. Manage ticket escalations, provide detailed technical feedback to stakeholders, and track hardware dispatch resolution workflows. Configure and maintain the integrity of network components and implement operating system enhancements. Required Qualifications & Experience Security Clearance: Active TS/SCI with a current 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). Linux Administration: Strong hands-on experience administering CentOS 7, Rocky Linux 9, and Red Hat Enterprise Linux (RHEL 9). Hardware & Operations: Proven experience handling physical server/workstation installations, system refreshes, and hardware troubleshooting. Customer Processes: Demonstrated familiarity with Secure the Enterprise (STE) tasks and authorized data transfer workflows. Desired Qualifications Red Hat Certified System Administrator (RHCSA) certification. Infrastructure task automation experience using Ansible. Experience with PXE network booting and provisioning virtual machines using Proxmox. Working knowledge of Identity Management (IDM) systems and IDM integration with CentOS LDAP servers. Hands-on experience troubleshooting and configuring Transport Layer Security (TLS) certificates. Experience with Windows 10/11 administration and advanced Linux networking concepts. 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 ongoing education and professional development 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.

Position: Linux System Administrator Location: Aurora, CO Clearance: Active TS/SCI with CI Polygraph Sign-On Bonus Eligible: Yes Support and Secure Mission-Critical Linux Infrastructure DeNOVO Solutions is seeking an experienced Linux System Administrator to support the administration, maintenance, and modernization of mission-critical infrastructure supporting our EOS Team. This position requires a strong background in Red Hat Enterprise Linux (RHEL), system administration, infrastructure automation, and troubleshooting within secure government environments. You'll collaborate with engineers and technical teams to maintain reliable systems, improve operational efficiency, and support national security missions. Why You'll Love This Role: Mission-Critical Infrastructure: Support secure Linux environments and enterprise systems directly contributing to national security operations. Modern Technologies: Work with Red Hat Enterprise Linux, Ansible, Infrastructure as Code (IaC), virtualization, and automation tools. Technical Collaboration: Troubleshoot complex infrastructure challenges, support system integration, and collaborate with experienced engineers and mission stakeholders. A Day in the Life: Linux Administration: Install, configure, maintain, and troubleshoot Red Hat Enterprise Linux (RHEL) systems and supporting infrastructure. Automation: Utilize Ansible, Infrastructure as Code (IaC), and scripting to automate deployments and improve system management. Infrastructure Support: Maintain servers, network devices, and enterprise infrastructure while supporting virtualization and system integration. Security & Compliance: Support Linux system hardening, vulnerability remediation, and government security compliance requirements. Troubleshooting & Testing: Resolve escalated technical issues, monitor system performance, and support software testing and operational acceptance. Technical Collaboration: Mentor team members, maintain technical documentation, and assist engineers with deployments and integration efforts. Tools, Technologies, Skills, & Knowledge: Operating Systems: Red Hat Enterprise Linux (RHEL), Linux Automation & Configuration Management: Ansible, Infrastructure as Code (IaC) Scripting (preferably): Bash, Python, Perl Virtualization & Infrastructure (preferably): VMware, Dell Servers, SAN Storage, Networking Security & Compliance (preferably): DISA SCAP, STIGViewer, System Hardening DevSecOps Tools (preferably): GitLab CI/CD, Jenkins What You Need: Experience: Ten (10) or more years of professional experience in Linux systems administration, infrastructure engineering, or related technical environments. Strong experience administering, configuring, and troubleshooting Linux systems, including RHEL. Knowledge of Ansible playbooks and Infrastructure as Code (IaC). Experience supporting enterprise infrastructure, system deployments, and integration activities. Education: Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field, or equivalent professional experience. Certifications: Active CompTIA Security+ certification required. Clearance: Active TS/SCI with CI Polygraph. Salary Range: $115,000.00 – $155,000.00 annually (Commensurate with experience). Note: The above salary range is a guideline and represents a broad spectrum of potential compensation. We recognize that a candidate's unique experience and qualifications may justify compensation beyond this range. Therefore, we remain open to considering higher salary offers for exceptionally qualified candidates. Why Join DeNOVO Solutions? DeNOVO Solutions is a Minority-Owned and Service-Disabled Veteran-Owned Small Business (MO/SDVOSB) providing innovative technical solutions and cleared professionals throughout the Intelligence Community. We prioritize collaboration, professional development, and delivering exceptional support to our government customers. Our benefits package for full-time employees includes: Medical, Dental, and Vision Premiums 100% Employer Paid for you and your legal dependents or plus up, cost split plan. 401k with 6% Match. 11 Paid Federal Holidays. 120 hours of Paid Time Off (PTO). Company Outings and Trips. Tuition Reimbursement, Skillset Training, and New/Renewed Certification assistance. HomeFundIt Company Down Payment Match – Employer match towards the down payment of buying a new home. DeNOVO Solutions is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, veteran status, sexual orientation, genetic information or any other protected characteristic under applicable law. Ready to Apply? If you're an experienced Linux System Administrator looking to support mission-critical infrastructure and advance your career in a secure technical environment, apply today with DeNOVO Solutions.

Want to learn more about this role and Jobot? Click our Jobot logo and follow our LinkedIn page! Job details: Keep defense supercomputers running at peak performance as the senior Linux and cluster expert on-site in Aberdeen, MD, earning $180K–$220K base, with stock purchase, a generous 401(k) match and paid volunteer time. This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Easy Apply" button and sending us your resume. Salary: $180,000 - $220,000 per year A bit about us: We're one of the world's largest enterprise technology companies and a leader in high-performance computing (HPC), building the supercomputers that power national security, scientific research, and AI. Our federal services teams support defense customers around the clock, keeping mission-critical HPC systems available and secure. You get the stability, resources, and training of a global industry leader, plus direct access to the engineers who design the systems you support. Why join us? $180,000–$220,000 base, plus possible variable incentives Comprehensive health and wellness benefits that extend to your family Generous 401(k) match Employee stock purchase plan Paid holidays, sick time and vacation, plus the option to buy extra vacation days Four extra wellness days off each year, plus 60 hours of paid volunteer time Hands-on work with some of the most powerful computing systems in the country Senior role with mentoring and technical leadership opportunities Job Details You'll monitor and maintain the health of HPC compute, network, and storage systems on-site for a defense customer. That includes planning and performing monthly patching, kernel updates and semiannual OS upgrades; resolving support tickets and cases; troubleshooting and repairing hardware; maintaining the required security posture; and tracking availability against SLAs. MUST HAVE: BS in a related field OR equivalent professional experience Active TS/SCI clearance 8+ years of Linux systems administration experience CompTIA Security+ Linux+, RHCSA, RHCE, or SUSE Certified Administrator NICE TO HAVE: HPC or supercomputing systems administration (compute, interconnect, storage) Customer-facing technical consulting experience SUSE Linux Enterprise 15 experience Interested in hearing more? Easy Apply now by clicking the "Easy Apply" button. Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot's policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions. Sometimes Jobot is required to perform background checks with your authorization. Jobot will consider qualified candidates with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the Los Angeles Fair Chance Initiative for Hiring and the San Francisco Fair Chance Ordinance. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: jobot.com/privacy-policy Want to learn more about this role and Jobot? Click our Jobot logo and follow our LinkedIn page!

Job Title: Linux Infrastructure / Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type Of Travel The Opportunity Support NSWC Carderock by maintaining their Linux infrastructure. Ensure combat readiness through the cutting edge application of technology. Responsibilities Install/configure Linux server Write and update custom kickstart image Patch management (full life cycle, Satellite server) Support application deployments / Enterprise Automation (AAP, Satellite, IDM, Splunk) Security hardening, STIG remediation, Compliance frameworks (RMF, DISA STIGs) Root cause analysis of complex outages Forensics & log correlation Kernel-level troubleshooting Containerization (Docker, Kubernetes) CI/CD pipeline integration Architecture documentation Storage engineering (SAN/NAS, multipathing) Infrastructure Design and Hardening Design HA and clustering solutions Work with virtualization (VMware, Hyper-V) Qualifications Advanced scripting & troubleshooting (ansible playbooks, bash, python) OS Certification: Red Hat Certified Engineer (RHCE) 8+ years working in Linux Administration Strong Networking fundamentals (routing, firewalls, DNS) Strong CLI proficiency Desired 3+ years working with Ansible Advanced scripting in perl What You Can Expect A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The Proposed Salary Range For This Position Is $86,600 - $181,800 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Description: Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able To Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Skills: Job Qualifications: Backup and Recovery (Software), Critical Systems, Information Technology (IT) Infrastructure Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: Linux Administrator Advance how our customers operate while you advance your career. Join GDIT as a Linux Administrator and you will build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Linux Administrator, The Work You'll Do At GDIT Will Be Impactful To The Customer's Mission, Your Duties Will Include: Install, configure, harden, and maintain Linux-based servers and services in production and non-production environments. Proactively monitor system performance and availability, diagnose issues, and implement corrective actions to ensure reliability, scalability, and optimal performance. Execute regular system updates, patch management, and security configurations in alignment with organizational and industry best practices. Use scripts and standard automation tools to streamline and improve routine administrative tasks. Troubleshoot and resolve complex hardware, software, and network issues impacting Linux systems, collaborating with cross-functional teams as needed. Apply, maintain, and enhance Infrastructure as Code (IaC) and Configuration as Code (CaC) solutions using industry-standard tools and methodologies. Maintain and support CI/CD pipelines to streamline application deployment, configuration management, and environment consistency. Maintain accurate and up-to-date system documentation, including configurations, change records, and standard operating procedures. What You'll Need To Succeed Bring your technology expertise and drive for innovation to GDIT. The Linux Administrator must have: Bachelor's degree in Computer Science, Information Technology, or a related discipline; or equivalent combination of education and experience. Minimum of 5 years of hands-on experience as a Linux System Administrator in enterprise or production environments. Strong practical knowledge of major Linux distributions and their administration. Proficiency in scripting for automating routine system administration tasks. Familiarity with containerization platforms from an operations and support perspective. Exposure to DevSecOps concepts and tools, with an understanding of secure software delivery and operational practices. Experience administering environments that leverage Infrastructure as Code (IaC) and Configuration as Code (CaC) tools. Solid understanding of networking fundamentals, protocols (TCP/IP, DNS, HTTP, SSH), and core services in a Linux ecosystem. Required Clearance Level Must Currently Possess: Top Secret and SCI eligible Location: Onsite Required: US Citizenship Required: DoD 8140 IAT II compliant GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities. Support: An internal mobility team focused on helping you achieve your career goals. Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off. Flexibility: Full-flex work week to own your priorities. Community: Award-winning culture of innovation and a military-friendly workplace. OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. The likely salary range for this position is $107,744 - $126,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Onsite Work Location: USA DC Washington Additional Work Locations: Total Rewards At GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process: 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 virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans