Linux System Administrator Jobs in Reston, VA

Drive operational excellence in high-stakes IT environments, ensuring uptime and reliability through advanced troubleshooting and system optimization. Collaborate with diverse teams to address technic...

Contribute to high-stakes IT systems by maintaining uptime and performance. Engage in advanced troubleshooting and optimization for Windows and UNIX environments, ensuring mission success through quic...

Drive critical IT infrastructure management for a vital customer program. Configure, troubleshoot, and secure servers, storage, and networks while ensuring system performance and reliability in a fast...

Manage and maintain critical IT infrastructures for defense operations, ensuring security compliance and optimal performance across diverse systems in a classified environment. Collaborate with teams...

Help us maintain operational excellence in a high-profile DOD environment. As an Intermediate NOSC Technician, you will monitor, troubleshoot, and ensure secure IT services for mission-critical operat...

Join a team that's dedicated to maintaining critical Solaris and Red Hat systems, ensuring stability and security while applying automation. Contribute to mission success through effective patch manag...

Provide essential support for IT systems, enhancing performance, reliability, and security for enterprise applications. Collaborate with teams to modernize infrastructure and maintain operational effi...

Launch your career with hands-on systems administration in a secure, high-trust cyber environment. Provide vital support for Linux/Windows infrastructures, ensuring operational reliability and complia...

Unlock your potential as you integrate and troubleshoot HPC software stacks. Collaborate with a team of experts to enhance system performance while leveraging advanced technologies in a dynamic work e...

Join a team that's committed to supporting IT infrastructure and security initiatives, ensuring compliance, and enhancing cybersecurity posture while providing daily operational leadership with a clea...

Drive innovative software solutions by designing, developing, and deploying secure, scalable systems that align with business goals, leveraging expertise in AWS/Azure and the Microsoft Power Platform...

Engage in leading network infrastructure projects, ensuring high performance and availability. Operate independently or in teams, providing technical expertise, managing systems, and advising on strat...

Create innovative solutions as a Senior Staff Systems Administrator, leading complex system architectures and lifecycle management. Collaborate across engineering and operational domains to drive auto...

Leverage your skills to support the onboarding of DIB companies through efficient network management and infrastructure provisioning, using advanced Linux tasks, distributed storage, and cloud technol...

Analyze complex data and enhance intelligence operations by producing insightful reports. Collaborate with teams to drive collection and resolve analytic disputes, while adhering to strict security pr...

Join our team to provide critical Linux systems administration and operational support for mission-critical environments, ensuring efficient data and messaging flow management. Drive system optimizati...

Lead the charge in optimizing and maintaining complex system environments, ensuring efficient operations, prompt issue resolution, and security management within a dynamic network landscape...

Optimize system administration operations across a complex network, ensuring robust support for users and seamless functionality in a fast-paced, multi-domain environment. Collaborate with teams to dr...

Join a team that's dedicated to enhancing enterprise identity management systems. Utilize your Linux expertise to support, analyze, and optimize systems, ensuring robust functionality and compliance i...

Join us to sustain a large-scale Linux environment, ensuring its reliability and security while managing software installations, daily operations, and enhancements to support a critical mission and it...

Tackle IT systems management by overseeing infrastructure, providing expert support, and resolving technical issues. Enhance system performance and reliability while mentoring others in a dynamic, agi...

Join to manage IT systems infrastructure, provide troubleshooting support, and oversee both Tier 1 and Tier 2 problem resolution while enhancing the reliability and performance of UNIX and Windows ope...

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...

Bring your expertise to ensure the security and operational resilience of Windows-based infrastructure. Collaborate in a dynamic environment with cybersecurity professionals to implement and maintain...

Engineer Windows-based infrastructure security and resilience. Collaborate closely with cybersecurity teams to implement secure server configurations and manage identity solutions, ensuring operationa...