IT Systems Administrator Jobs in Ashburn, VA

Empower the Mission LAN by managing systems administration, ensuring seamless operations, security compliance, and enhanced functionality. Drive innovation through technical expertise while collaborat...

Support core Intelligence Community missions as a part of a team protecting against cyber adversaries, providing high-performance computing services while ensuring operational excellence and system in...

Join a team that's shaping the future by leading complex technical projects and programs. Drive system architecture design, integration, and performance with cutting-edge technologies while ensuring m...

Join our team to manage essential IT infrastructure, providing administration and support for Windows and Linux systems while ensuring security, performance, and availability of enterprise services li...

Optimize the daily operations and stability of the Ocean Data Processing System, ensuring seamless functionality through SQL queries and shell scripting. Collaborate across teams to integrate scientif...

Support our mission by providing expert Linux administration in a dynamic enterprise environment. You'll install, configure, optimize, and secure systems while ensuring compliance with industry standa...

Transform the Peraton[x] platform's reliability and security as a System Administrator. Ensure system uptime, manage user access, and collaborate with engineering teams to enhance performance and reso...

Unlock potential by ensuring the stability and security of critical systems and infrastructure, collaborating with cross-functional teams to enhance user experience and automate operational tasks in a...

Oversee the operational management of diverse systems including Linux, UNIX, and Windows, ensuring compliance with security protocols while delivering mission-critical support and driving system enhan...

Optimize multi-user systems operations by managing resources, security, and user interactions. Lead installations and provide technical recommendations to enhance performance and ensure efficient comp...

Join a team that's shaping advanced IT infrastructures, leading security initiatives, and driving compliance in classified environments. Mentor junior staff and collaborate on risk mitigation strategi...

TENICA is seeking a Systems Administrator with an active TS/SCI clearance and FS poly. The role involves building and maintaining Windows and virtual servers, managing Active Directory, and deploying...

Provide expert IT support and system administration for critical government systems, ensuring optimal performance, troubleshooting, and maintenance across various platforms, including UNIX and Windows...

Contribute to the optimization of IT systems by managing infrastructure, resolving issues, and supporting both Tier 1 and Tier 2 operations. Enhance system reliability and performance while ensuring c...

Unlock potential by optimizing enterprise software solutions and enhancing the DocuSign CLM platform. Drive efficiency through system integration and support the Defense Logistics Agency in achieving...

Manage and optimize RHEL servers while ensuring the security and reliability of the IT infrastructure. Collaborate with teams to implement solutions and automate processes, providing 24/7 support for...

Engage with teams to consolidate systems into a cohesive solution that enhances manageability and security. Contribute to a high-visibility project focused on user experience while building strong rel...

Reimagine cybersecurity strategies by safeguarding systems, data, and identity. Take ownership of incident response, vulnerability management, and governance to strengthen security posture and effecti...

Join us to support critical Linux-based systems and ensure optimal performance across secure environments. Leverage your deep technical expertise to enhance infrastructure and process automation while...

Optimize mission-critical IT systems while ensuring secure, reliable operations. Collaborate with cross-functional teams to implement change management and address vulnerabilities in a federal environ...

Join a team that's dedicated to delivering technical support and troubleshooting for network and system hardware. Contribute to a robust environment by solving issues within cloud infrastructures and...

Engage in thorough assessments of financial systems to ensure compliance with federal regulations. Utilize expert knowledge in systems controls and auditing practices to protect sensitive information...

Manage and support IT systems by troubleshooting, ensuring system integrity, and optimizing performance. Oversee operations and provide Tier 1 and Tier 2 problem resolution while communicating status...

Shape the future of secure communications by managing enterprise network infrastructure, ensuring reliability and compliance with DoD standards. Bring your expertise to enhance network operations and...

Execute the daily configuration and operations of systems, encompassing comprehensive management in clinical technology to enhance performance and support users effectively in a fast-paced environment...