UNIX System Administrator Jobs in Arlington, VA

Join a team that's developing and executing test plans for HPC systems, ensuring compliance with requirements. Analyze system specifications to optimize performance, coordinate evaluations, and enhanc...

Join a team that's enhancing acquisition management for DHS and CBP, delivering expert support in contract management and administration. Drive efficiencies and solutions while collaborating closely w...

Lead, strategize, and support a team ensuring high availability and security of core infrastructure across multiple regions while fostering collaboration and mentoring technical staff to achieve opera...

Optimize cybersecurity frameworks by leading incident resolution, monitoring, and engineering support. Design innovative solutions that ensure operational efficiency and compliance, while mitigating r...

Transform software solutions by leading Java development in a dynamic agile team. Contribute to groundbreaking projects for command and control systems, ensuring reliability and efficiency in complex...

Shape the architectural vision and design governance for a key defense initiative, ensuring seamless integration and execution across Agile teams in multiple secure environments. Drive innovation and...

Drive the architectural vision and governance for a critical AI initiative, ensuring system integrity and seamless integration across diverse environments in a fast-paced Agile setting, while mentorin...

Champion cybersecurity solutions for government systems, enhancing security measures and incident response management while driving innovative IT strategies for compliance with evolving policies and r...

Lead the charge in providing comprehensive audio-visual support and system integration for mission-critical operations, ensuring high availability, reliability, and a seamless interface with IT infras...

Lead the charge in executing verification, validation, and transition activities for national assets, ensuring alignment with mission capabilities and improving overall system performance across groun...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Take ownership of the efficient operation and maintenance of campus utility systems. Lead a team of Operating Engineers, ensuring adherence to quality standards while enhancing service delivery and re...

Transform campus energy management by leading a skilled team in the operation, maintenance, and troubleshooting of critical utility systems, ensuring reliability and regulatory compliance throughout d...

Transform global infrastructure by designing and maintaining hybrid IT solutions, ensuring security and efficiency while mentoring teams and leading complex projects to support enterprise growth...

Partner with us to provide expert technical systems integration support, ensuring effective program coordination and superb oversight of multi-project initiatives within a dynamic, fast-paced team env...

Shape the future of DevSecOps with your expertise by driving modernization and implementing security automation for critical defense initiatives. Lead a team and collaborate to enhance operational res...

Transform enterprise DevSecOps initiatives by architecting and optimizing software pipelines across secure environments, enhancing compliance and operational efficiency to support mission-critical ana...

Transform DevSecOps within a critical AI initiative by architecting secure software pipelines and driving modernization across multi-classified environments, ensuring operational integrity and continu...

Tackle complex systems engineering projects while collaborating with government stakeholders. Take ownership of technical deliverables and support critical mission requirements through innovative engi...

Join a dynamic team to oversee MEP systems from design to completion, ensuring seamless integration and compliance on large-scale construction projects. Drive operational excellence while fostering a...

Shape critical documentation for defense programs by producing user manuals and technical publications. Collaborate with engineers to ensure clarity for technical and non-technical audiences while mai...

Drive field operations for Solar PV projects, ensuring safe, accurate installations and timely completion. Oversee contractor coordination, quality control, and compliance with safety regulations acro...

Transform high-performance computing operations by providing expert support for HPC software across UNIX, LINUX, and Windows systems, ensuring seamless integration and effective problem-solving to enh...

Join us as a Program Manager to drive cross-program coordination and enhance customer engagement in federal supply chain initiatives. Leverage your expertise to foster relationships and oversee projec...

Accelerate technical excellence by designing and maintaining secure endpoint configurations in Windows and macOS environments, ensuring robust support for a federal agency's infrastructure and cyberse...