IT Systems Administrator Jobs in Chantilly, VA

Join a team that's shaping enterprise security strategy and operations, influencing compliance and risk management. Drive security posture in cloud, AI, and automation environments while leading and m...

Support and enhance user experiences by providing expert Tier II and III IT help desk services. Collaborate effectively in a classified setting, managing incident resolution and ensuring system stabil...

Join a dynamic team to oversee comprehensive ISSO responsibilities in a classified environment, ensuring compliance, monitoring security protocols, and managing risk artifacts in alignment with DoD st...

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 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...

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...

Unlock your potential as a System Administrator, supporting IT infrastructure and operations. Collaborate with teams to enhance system reliability, troubleshoot issues, and maintain excellence across...

Elevate your career by leading technology integration and migration projects, focusing on enterprise transformation and modernization during critical phases, ensuring seamless transitions and heighten...

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...

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...

Join us to support technical and programmatic tasks, including software updates, testing, and data management, while contributing to large-scale program execution and software development efforts in a...

Empower the future of IT systems as a System Administrator. Oversee implementation, troubleshooting, and maintenance of diverse technologies while ensuring optimized performance and support across all...

Join the Mantis Security Team to develop security designs, conduct risk analysis, and manage cyber security compliance efforts, ensuring robust information security integration and protocol adherence...

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...

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...

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...

Join a team that's modernizing critical infrastructure through advanced Linux engineering. You'll lead the design, implementation, and security of high-availability Linux systems, optimizing performan...

Lead the charge in directing field operations and ensuring project success. Oversee subcontractor coordination, safety compliance, and quality control for large-scale projects while fostering a safe a...