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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

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure. About The Role Job Description: Linux systems deployment and management Systems patching and upgrades Software installation and configuration IAVA patching and documentation creation and maintenance. Monitoring and initial troubleshooting of Linux based systems. Creating POA&M's as necessary Highly Desired Skills: Minimum of 6 years' recent experience managing Linux based systems Experience with AWS environment for managing VPC's, configuring and deploying virtual systems. IAVAs STE/STN and system patching Experience with Elastic Search functionality Knowledge of Network Protocols Experienced providing customer support Understanding of fundamental networking and distributed computing environment concepts, Linux desktop systems, performance tuning and capacity planning of servers (hardware and software levels) Ability to write Shell and Ansible or SALT scripts. Write and maintain system technical documentation. A self-starter who can work closely with the team but requires little oversight in completing requires SA tasks. Qualifications Basic Requirements: Active TS/SCI with current Polygraph required DOD 8570 compliance (such as Security+ cert) Fifteen (15) years' experience as a Systems Administrator Bachelor's degree in a technical discipline 5 additional years of experience as a system administrator may be substituted for a degree Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. Details Target Salary Range: $176,000 - $282,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits. Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate's own. EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Postgres SME- Fully remote working, USA only We are seeking a Senior Postgres Engineer to own and tune our self-managed, on-premises Postgres deployment. You will help us get more from Postgres by tuning what we run and adopting existing extensions instead of building our own. Location: Remote. You will work remotely on infrastructure hosted on-premises. Responsibilities Performance Assess and tune the deployment across configuration, query and index performance, and operational practices Cover on-prem concerns such as hardware, storage, OS-level tuning, replication, backup and recovery, and upgrades Identify bottlenecks and recommend prioritized, practical fixes Extension selection Recommend existing Postgres extensions or plugins we can adopt instead of building custom solutions Advise on maturity, maintenance risk, and fit for each recommendation Reliability and operations Design, run, and improve high availability, replication (streaming and logical), and failover Own backup, point-in-time recovery, and regular disaster-recovery testing Plan and execute major-version upgrades and patching with minimal downtime Automate provisioning, configuration, and routine maintenance Maintain runbooks, documentation, and database security and access controls Technical leadership Answer questions and review designs as they come up Mentor and guide the engineers who own the system day to day Required Qualifications 10+ years of hands-on experience operating and tuning Postgres in production at scale Experience running self-managed Postgres on-prem, not only managed cloud services Working knowledge of the Postgres extension ecosystem, such as pg_stat_statements, pg_partman, and pg_repack Deep knowledge of Postgres internals, including MVCC, WAL, autovacuum, the query planner, locking, and replication slots Proven query and index tuning with EXPLAIN ANALYZE, pg_stat_statements, partitioning, and bloat management Production experience with high availability, replication (streaming and logical), and automated failover Experience with connection pooling and load balancing Experience with backup and recovery, including point-in-time recovery and disaster-recovery testing Scripting and automation skills for provisioning, configuration, and routine operations Experience with monitoring and alerting Strong written and verbal communication, and a record of leading root-cause analysis Preferred Qualifications Postgres committer or contributor status Experience building Postgres extensions in C or Rust Experience operating multi-terabyte Postgres deployments

Job Description: Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able To Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Skills: Job Qualifications: Database Administration, PostgreSQL Administration, Relational Database Design Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking a Senior PostgreSQL Database Engineer to support the operation, design, and continuous improvement of database capabilities for a mission-critical system. This position combines hands-on PostgreSQL administration with database engineering and architecture. You will serve as the team's primary database subject matter expert, partnering with software developers and systems engineers to maintain reliable database operations while improving database performance, design, security, and maintainability. Our environment uses PostgreSQL for both transactional and analytical data workloads and leverages OpenShift for application deployment. The ideal candidate enjoys solving practical database challenges, can independently troubleshoot operational issues, and can recommend and implement improvements to how databases are designed, deployed, monitored, and maintained. What You'll Do Administer PostgreSQL databases: Manage database configuration, user accounts, roles, permissions, routine maintenance, patching, upgrades, and operational troubleshooting. Design and improve database architectures: Develop and refine schemas, data models, indexing strategies, and data access patterns to support application functionality, performance, and evolving system requirements. Optimize database performance: Analyze SQL queries and execution plans, identify performance bottlenecks, and implement improvements to queries, indexes, database configuration, and resource utilization. Support database operations in OpenShift environments: Collaborate with platform and application teams to support PostgreSQL deployment, connectivity, configuration, monitoring, and operational integration with OpenShift-based systems. Maintain database reliability and recoverability: Implement and maintain backup and restore procedures, validate recovery processes, and support existing high-availability, replication, and disaster recovery capabilities. Monitor database health: Configure and maintain database monitoring, logging, alerting, capacity tracking, and operational reporting to identify and resolve issues proactively. Collaborate with software developers: Advise on schema design, SQL development, transaction management, data access patterns, and database integration to ensure efficient and reliable application behavior. Drive continuous improvement: Identify database performance, reliability, scalability, and maintainability improvements; evaluate appropriate tools and approaches; and implement practical solutions. Support database lifecycle management: Plan and execute database upgrades, migrations, configuration changes, and modernization efforts while minimizing operational risk and service disruption. Establish and maintain standards: Document database architecture, configurations, security controls, operational procedures, and recommended engineering practices. Maintain database security: Apply appropriate access controls, least-privilege permissions, auditing, and security practices in accordance with applicable customer and system requirements. Provide technical guidance: Serve as the primary database technical resource for the engineering team, helping troubleshoot issues and make informed decisions about database design and operational practices. Required Qualifications WHAT YOU'LL NEED TO SUCCEED Active TS/SCI security clearance and ability to obtain and maintain a polygraph. Polygraph sponsorship may be available. Bachelor's degree in Computer Science, Information Technology, or a related technical discipline, or equivalent education, training, certifications, and experience. Five or more years of experience in database administration, database engineering, database architecture, or a related technical discipline. Hands-on experience administering and supporting PostgreSQL databases. Experience with relational database design, data modeling, SQL, schema development, indexing, and query optimization. Experience troubleshooting database issues and managing database users, roles, permissions, and configurations. Experience with database backups, restores, upgrades, and routine maintenance. Working knowledge of database high availability, replication, and disaster recovery concepts. Ability to collaborate with developers and infrastructure engineers to resolve technical issues and improve system performance. Strong analytical, troubleshooting, documentation, and communication skills. Preferred Qualifications Experience supporting PostgreSQL in OpenShift, Kubernetes, containerized, or Linux-based environments. Experience with PostgreSQL replication, failover, connection pooling, or high-availability technologies. Experience with database monitoring, logging, alerting, and performance diagnostics. Experience supporting both transactional and analytical data workloads. Experience with database automation, scripting, infrastructure as code, or repeatable deployment practices. Experience planning and executing database migrations, upgrades, and modernization initiatives. Familiarity with database security practices in regulated or classified environments. Experience with Oracle database administration or Oracle-to-PostgreSQL migration. CompTIA Security+ certification or equivalent, as required by the applicable customer environment. ADDITIONAL INFORMATION Location: On-site at the customer location. Security Clearance: Active TS/SCI required; ability to obtain and maintain a polygraph. Sponsorship may be available. Primary Database Technology: PostgreSQL. Application Platform: OpenShift. Other Technologies: Oracle experience is beneficial but not required. US Citizenship Required 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, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace #RoverGSS The likely salary range for this position is $124,093 - $154,100. 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: None Telecommuting Options: Onsite Work Location: USA VA Springfield Additional Work Locations: USA MO St. Louis 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

Responsibilities H-E-B is a leading innovator in technology, and our Digital Technology Partners collaborate to design, construct, implement, and support technology solutions. As a Staff Database Administrator, you'll lead in the team effort to administer, design, develop, implement, and maintain database applications to accommodate complex user needs. Once you're eligible, you'll become an Owner in the company, so we're looking for commitment, hard work, and focus on quality and Customer service. "Partner-owned" means our most important resources—People—drive the innovation, growth, and success that makes H-E-B The Greatest Omnichannel Retailing Company. Do you have a: HEART FOR PEOPLE… willingness and ability to supervise others? HEAD FOR BUSINESS… skills to assist in administering, designing, developing, implementing, and maintaining database applications? PASSION FOR RESULTS… possesses a relentless drive for excellence that leads to continuous improvement in how we administer our databases and related IT systems with a strong focus on delivering cost efficiencies and a drive to recommend database management and productivity software? We are looking for: A related degree or comparable work experience and formal training / certification. 7+ years of rich work experience. Strong work experience in PostgreSQL database administration. Work experience in Oracle database administration is preferred. Work experience with GCP BigQuery administration is preferred. 2+ years of experience using Google Cloud Platform (GCP) in general and with managing databases in particular. 2+ years of Java (Spring) programming experience is preferred. Strong Linux operating system internals knowledge. Work experience in migrating databases from one RDBMS to another, such as Oracle to PostgreSQL, and to public clouds like GCP. What is the work? Administration / Design & Development: Consults / collaborates with multiple teams in database administration / design / development to accommodate business and user needs of medium to large scope and complexity. Performs Database Administration (DBA) / design / development; manage physical structures of databases, improve databases and database servers compute resource optimization, perform analysis and resolution of complex problems, improve database security, control database access. Implements Backup and Recovery and High Availability for databases. Creates development, test, and production database environments with configuration management and change control procedures. Takes ownership of database platforms and related technologies and independently supports and maintains multiple databases with advanced features. Sets standards / creates strategies, drive efficiencies in space utilization, database objects management ( High Availability for databases. Creates development, test, and production database environments with configuration management and change control procedures. Takes ownership of database platforms and related technologies and independently supports and maintains multiple databases with advanced features. Sets standards / creates strategies, drive efficiencies in space utilization, database objects management (indexes, tables etc.) and overall throughput. Works with cross-functional team members belonging to IT Infrastructure, Information Security, Network, Storage etc. in articulating and convincing technical requirements. Participates in on-call rotation and provides after-hours support to production databases (not frequently, only when required). Prioritizes resolving database and database server related security vulnerability findings in a timely fashion. Monitors database alert notifications, transaction volumes, server and database space utilization, backup jobs and take timely/preventive action before production issues are caused. Supports application development teams in their production deployments. Takes responsibility and ownership for tasks and projects assigned and delegated by the team manager (or) director. Independently starts and completes large size DBA projects. Takes primary ownership of multiple key systems and processes managed by the DBA team. Works with a sense of urgency and completes assigned tasks and projects within the given due dates. Assists with root cause analysis (RCA) of production database issues and work towards long-term solutions. Takes a lead role in developing best practices standards for data access and database administration (DBA) and create rich documentation of technical procedures in DBA. Performs version control (software configuration management) of DBA programs/scripts using source control systems such as Gitlab.com, Atlassian Bitbucket server etc.. Follows IT change management processes set in H-E-B. Serves as expert to assist with fine-tuning application programs / processes. Provides support for application development teams in problem determination, especially on database issues. Evaluates / recommends DB management and productivity software. Performs database replication between on-premises systems and between on-premises systems and public clouds. Performs migration of database systems from on-premises to public clouds, with a focus on GCP for cloud initiatives. Specific PostgreSQL Responsibilities: Expert knowledge and proficiency in all aspects of PostgreSQL database administration including installation, architecture, internals, SQL tuning, backup and recovery and all other related administrative tasks. Designs, creates, and administers PostgreSQL database clusters configured with transparent data encryption and replication for high availability. Securely sets up and manages database accounts. Installs, uses, and researches PostgreSQL database extensions. Coaches and teaches how to Identify and tune poorly performing SQL statements. Maintains and creates database monitoring and automation scripts written in Python or BASH. Training: Educates other team members and application developers on database best practices, SQL tuning, and platform optimization configurations. Provides mentorship and training to other team members across the globe. Creates succession planning in the team for supporting key systems and processes so that there is no single point of failure. Presents and represents the team in company-wide IT meetings and external industry conferences. Can you... Function in a fast-paced, retail, office environment. Travel by car or plane with overnight stays. Regularly lift up to 20 lbs. Work extended hours and / or rotating schedules.

Job Description We are seeking an experienced Database Administrator / Database Reliability Engineer to support, engineer, and optimize enterprise database platforms across on-premises and cloud environments. This role will provide 24x7 production support for PostgreSQL, YugabyteDB, SQL Server, SingleStore and cloud-native database services, including Amazon Aurora PostgreSQL, Amazon Aurora MySQL, Google Cloud SQL, and Google Cloud Spanner. The ideal candidate will help ensure high availability, reliability, performance, scalability, and operational stability through proactive monitoring, automation, self-healing capabilities, incident response, and continuous platform improvement. Responsibilities Provide 24x7 production support for enterprise database platforms and mission-critical business applications. Administer database platforms, including installation, configuration, upgrades, patching, monitoring, troubleshooting, backup and recovery, replication, and high availability. Monitor database health, availability, capacity, and performance; identify risks early and implement proactive improvements to reduce incidents. Manage and resolve production incidents using established Incident Management processes. Perform root cause analysis and drive long-term remediation through Problem Management practices. Plan, validate, and implement database changes in alignment with Change Management processes. Partner with application, infrastructure, cloud, security, data engineering, and vendor teams to troubleshoot issues and improve platform stability. Contribute to the architecture, design, engineering, and optimization of enterprise-scale data platforms. Develop automation, observability, and self-healing capabilities to improve reliability, reduce manual effort, and increase operational efficiency. Leverage AI-enabled tools and automation frameworks to identify improvement opportunities and accelerate operational outcomes. Qualifications 8+ years of hands-on DBA experience supporting PostgreSQL, YugabyteDB, SQL Server, and cloud-native databases such as Amazon Aurora PostgreSQL, Amazon Aurora MySQL, Google Cloud SQL, and Google Cloud Spanner. Strong experience with database administration activities, including installation, configuration, upgrades, patching, monitoring, troubleshooting, backup and recovery, replication, and high availability. Deep technical knowledge of PostgreSQL, SQL Server, YugabyteDB, and cloud-native database platforms. Proven ability to troubleshoot complex production issues related to performance, query optimization, workload management, capacity planning, latency, availability, and reliability. Experience with automation and DevOps tools such as Python, Unix shell scripting, Ansible, Terraform, GitHub, and CI/CD pipelines. Hands-on experience with AWS and/or GCP database services, Infrastructure as Code, monitoring, and observability tools such as Grafana and DMC. Understanding of data engineering concepts, including data ingestion, ETL/ELT, data pipelines, data integration, and support for high-volume data workloads. Knowledge of ITIL processes, including Incident, Problem, and Change Management, along with Disaster Recovery and root cause analysis. Strong troubleshooting, communication, ownership, and collaboration skills in a 24x7 production support environment. Solid understanding of database setup, configuration, administration, and replication. Ability to learn quickly, work independently, and take ownership of assigned responsibilities. Willingness to provide rotational weekend and off-hours support as needed. Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions. About Us At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service. As part of Team Amex, you'll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. About The Team We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones' physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally: Competitive base salaries Bonus incentives 6% Company Match on retirement savings plan Free financial coaching and financial well-being support Comprehensive medical, dental, vision, life insurance, and disability benefits Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need 20+ weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy Free access to global on-site wellness centers staffed with nurses and doctors (depending on location) Free and confidential counseling support through our Healthy Minds program Career development and training opportunities For a full list of Team Amex benefits, visit our Colleague Benefits Site . American Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law. American Express will consider for employment all qualified applicants, including those with arrest or conviction records, in accordance with the requirements of applicable state and local laws, including the California Fair Chance Act, the Los Angeles County Fair Chance Ordinance for Employers, and the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. For positions covered by federal and/or state banking regulations, American Express will comply with such regulations as it relates to the consideration of applicants with criminal convictions. We back our colleagues with the support they need to thrive, professionally and personally. That's why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually. US Job Seekers - Click to view the " Know Your Rights " poster. If the link does not work, you may access the poster by copying and pasting the following URL in a new browser window: https://www.eeoc.gov/poster. The below represents the expected salary range for this job requisition. Ultimately, in determining your pay, we'll consider your location, experience, and other job-related factors.