IT Systems Administrator Jobs in Fairfax, VA

Transform operational capabilities through innovative solutions in a dynamic team. You'll lead DevOps architecture while enhancing software delivery, network security, and system performance for criti...

Optimize IT systems for national security operations, ensuring reliability and performance through Linux/Windows administration, configuration management, and virtual machine support in a fast-paced e...

Lead the charge in managing and optimizing complex network systems, ensuring robust cybersecurity measures, and providing top-tier administrative support to enhance organizational infrastructure and o...

Lead the charge in managing enterprise hosting environments for critical IT infrastructure and cybersecurity operations. Provide 24/7 monitoring and support to ensure optimal functionality and securit...

Take ownership of network services administration, ensuring robust governance, scalability, and security compliance across operational environments while advising leadership on modernization strategie...

Empower security initiatives by leading information assurance efforts, ensuring compliance through thorough assessment, coordination, and documentation of security processes. Collaborate with stakehol...

TMC Technologies is seeking an Intermediate Systems Engineer to provide expertise in systems engineering, software development, and test/evaluation for the Naval Surface Warfare Center Dahlgren Divisi...

Join a team that empowers innovation by designing and managing Windows and Linux systems for cutting-edge research. Collaborate to enhance infrastructure and deliver high-performance solutions that me...

Reimagine IT operations by resolving advanced user issues and managing enterprise systems. Collaborate with teams to enhance service reliability within a vast network, while ensuring compliance and le...

Take ownership of administration and data integrity for Command Aware systems, ensuring efficient tactical communications and coordination across teams. Collaborate on large-scale data updates while m...

Innovate and implement robust network solutions by maintaining computing environments, analyzing network requirements, and enhancing performance across various architectures to ensure optimal connecti...

Champion IT operations by leading infrastructure services, ensuring efficient environments, and driving innovative solutions to deliver exceptional client support in a 24/7 operations setting...

Champion the advancement of cloud automation systems by harnessing your expertise in DevOps and systems engineering. Collaborate closely with leadership to innovate and deliver cutting-edge solutions...

Deliver innovative solutions by leading systems administration and DevOps activities for cutting-edge web and cloud technologies, enhancing analytics production and dissemination capabilities in a dyn...

Develop and manage Linux systems to support mission-driven Intelligence environments, ensuring security compliance and efficient operations. Opportunities for various experience levels are available t...

Optimize operations by overseeing facility management, ensuring a safe, efficient workspace, managing projects and vendor relationships, and taking charge of emergency preparedness for a mission-criti...

Take ownership of critical network systems supporting federal missions, ensuring performance, security, and availability. Troubleshoot complex challenges, optimize capacity, and collaborate with teams...

Transform our network infrastructure by implementing and maintaining secure, high-performing systems while troubleshooting and optimizing for mission success. Collaborate across teams, mentor engineer...

Unlock potential by leading systems engineering efforts for mission-critical projects, driving high-level design, aligning with strategic goals, and ensuring effective collaboration with teams and sta...

Innovate reliable cloud-based systems while enhancing security and automation. Collaborate across teams, mentor peers, and drive strategic infrastructure improvements in a dynamic DevOps environment t...

Transform engineering processes by leading the systems engineering function, aligning technical requirements with strategic objectives while ensuring seamless integration and testing throughout the sy...

Join a team that's shaping the future of construction project management. Oversee projects from planning through completion, ensuring adherence to safety and quality standards while collaborating with...

Grow your career with hands-on management of unified communications and IT infrastructure, supporting vital services for over 120,000 users across diverse DoD sites. Drive collaboration and enhance pe...

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...