IT Systems Administrator Jobs in Chantilly, VA

Manage the implementation and support of critical systems for Anti-Terrorism programs. Collaborate with cross-functional teams, providing maintenance, security, and user support across various Navy in...

Champion system performance and security by maintaining, updating, and troubleshooting critical C4I systems. Ensure effective IT solutions and user support across multiple Navy installations, contribu...

Transform your career by leading complex system implementations, troubleshooting, and administration. Elevate operational efficiency through hardware/software management, technical support, and perfor...

Take ownership of IT system operations by providing support, troubleshooting, and enhancing infrastructure processes. Manage Linux and Windows systems while ensuring optimal performance and reliabilit...

Lead the charge in securing vital information systems by developing and implementing policies in compliance with government regulations. Collaborate with stakeholders, manage security tools, and stay...

Drive efficiency and security in VDI environments by providing senior-level system administration expertise, leading onboarding, ticket escalations, and strategic enhancements to support evolving tech...

Lead the charge in managing server environments and cloud services while ensuring optimal performance and security. Collaborate with a skilled team in a fully remote setting, supporting critical infra...

Lead the administration of secure Linux and Windows systems, ensuring optimal performance in a fast-paced national security environment while supporting cloud and hybrid infrastructures for defense an...

Lead the charge in assessing and enhancing enterprise access controls and governance processes, ensuring compliance with federal and DoD standards through thorough audits, reviews, and analyses while...

Advance your career by supporting critical infrastructure initiatives and enhancing cybersecurity operations through strategic systems engineering, cloud integration, and compliance expertise in a hyb...

Accelerate progress at the forefront of Linux/UNIX system administration, ensuring high availability and robust security for Army command-and-control mission systems while providing technical leadersh...

Join a team that's driving excellence in Linux/UNIX systems administration. Lead technical initiatives, oversee security, and ensure top performance for mission-critical Army command-and-control syste...

Analyze IT system performance and ensure seamless operations by managing and troubleshooting infrastructure. Enhance service delivery through Tier I and Tier II support while optimizing processes to i...

Deliver top-tier IT support by managing systems infrastructure, troubleshooting issues, and ensuring operational integrity. Engage in user support, enhance reliability, and maintain a secure computing...

Advance IT excellence by managing system infrastructure, resolving technical issues, and ensuring system performance. Collaborate with teams to provide exceptional support while maintaining operationa...

Contribute to the stability and security of mission-critical GIS operations by leading the administration of Esri ArcGIS Enterprise systems. Ensure seamless integration, performance, and user support...

Empower operational excellence as a System Administrator Level 2, supporting and maintaining complex IT systems through troubleshooting, configuration, and performance enhancements while ensuring reli...

Join a team that's transforming IT by managing enterprise systems, enhancing operational capabilities, and ensuring security in a dynamic environment, all while making a tangible impact on agency miss...

Join a dedicated team to support technical solutions for evidence collection, focused on managing Active Directory and enhancing network systems, while collaborating with customers and IT security tea...

Drive your career with impactful infrastructure design, implementation, and management. Collaborate on VMware environments, enhance system performance, and ensure compliance through automation and exp...

Lead a team of systems administrators to enhance mission-critical system performance and security. Oversee operations, ensure compliance, and deliver technical guidance while fostering team developmen...

Engineer robust information security practices to safeguard operational systems. Collaborate with teams to enhance system security, document cybersecurity measures, and ensure compliance with NIST sta...

Provide expert management of system security by maintaining compliance with NIST 800-53, overseeing the RMF lifecycle, and supporting audits and assessments to ensure a robust authorization posture an...

Lead the charge in enhancing system security by managing the Risk Management Framework (RMF) lifecycle and ensuring compliance with federal security standards, including NIST 800-53. Drive security as...

Join a team that's dedicated to supporting federal clients in systems administration. This role requires extensive expertise, ensuring robust management and security for complex systems within a colla...