UNIX System Administrator Jobs in Fairfax, VA

Provide analytical support for budget administration across defense programs, ensuring effective execution and compliance throughout various phases of the Planning, Programming, Budgeting and Executio...

Lead the daily operations of HVAC mechanics, ensuring effective maintenance, service, and repair of large-scale heating and cooling systems while managing a skilled team to deliver high-quality perfor...

Advance your expertise by managing complex DevSecOps infrastructures, enhancing cloud operations, and ensuring security compliance across Army environments. Collaborate with diverse teams to provide i...

Architect robust network solutions driving enterprise security through expert design, support, and optimization of datacenter infrastructure. Collaborate across teams to enhance performance and ensure...

Drive comprehensive cybersecurity compliance and assurance by leading Security Assessment and Authorization efforts, coordinating across teams to ensure continuous monitoring, risk management, and eff...

Lead vital Information Systems Security initiatives, ensuring compliance with federal cybersecurity standards. Collaborate across teams to manage authorization processes, document security controls, a...

Join a team that's committed to driving innovation and excellence in enterprise call center applications. You'll lead development and support initiatives, ensuring alignment with business goals while...

Unlock potential by enhancing enterprise search capabilities through IDOL support, ensuring optimal performance and scalability. Collaborate with teams for system upgrades and AI integration, making a...

Champion the modernization of critical applications, focusing on DevOps engineering to enhance performance, deployment, and management of systems while ensuring seamless operation and troubleshooting...

Transform research into operational success by providing insightful analysis and support. Collaborate across teams to deliver technical recommendations, lead initiatives, and enhance systems architect...

Join us to enhance government virtual infrastructure by engineering, implementing, and optimizing cutting-edge VDI solutions in a dynamic environment, ensuring seamless operations and robust security...

Unlock potential by analyzing adversarial UXS capabilities and operational methodologies to support mission planning and threat assessments in sensitive environments, collaborating across intelligence...

Advance your career by supporting innovative technologies in a dynamic role that combines project management, technical analysis, and stakeholder coordination to drive national security initiatives an...

Optimize healthcare systems by enhancing applications and analytic tools. Join a collaborative team dedicated to clinical quality and financial sustainability, supporting seamless operations and impro...

Join a team that's committed to ensuring a safe workplace through effective EHS programs and compliance initiatives. Engage in proactive assessments and collaboration with stakeholders to promote heal...

Advance your career by developing secure, scalable full-stack applications for mission-critical systems, fostering collaboration and innovation in a fast-paced Agile environment that prioritizes secur...

Optimize critical infrastructure operations in data centers by overseeing maintenance, compliance, and project improvements, ensuring 100% uptime while meeting client needs and safety regulations...

Unlock potential by leading IT networking initiatives, ensuring security and efficiency across systems, and providing expert troubleshooting support to clients, enhancing organizational performance in...

Join a team that's dedicated to designing and optimizing cloud infrastructure. Leverage your AWS and DevOps expertise to build scalable, secure CI/CD pipelines, and mentor junior engineers while drivi...

Engineer innovative solutions to modernize operational systems, utilizing microservices architecture and advanced testing methodologies. Collaborate with teams to ensure quality delivery through effec...

Lead client relationships and oversee delivery for Enterprise clients, ensuring successful ERP implementation and alignment across stakeholders while driving continuous improvements and mentorship wit...

Unlock your potential as a mid-level expert in cybersecurity, designing and implementing robust security systems to protect vital information throughout its lifecycle while adapting to evolving threat...

Deliver secure, efficient Windows desktop solutions by engineering, packaging, and deploying applications in high-stakes classified environments, collaborating with cross-functional teams to enhance m...

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...