Senior Linux Administrator Jobs in Reston, VA

Champion IT excellence by managing and troubleshooting comprehensive system operations, ensuring integrity and performance across UNIX, Windows, and network environments while supporting diverse user...

Drive system administration excellence by managing complex infrastructures, creating technical designs, and optimizing operations. Collaborate with cross-functional teams to enhance capabilities and m...

Optimize system operations and administration by leveraging expertise in modern OS, network architectures, and configuration management. Collaborate with teams to define solutions, enhance performance...

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 a dynamic team to lead and maintain critical IT systems for enterprise applications, ensuring security, reliability, and performance while mentoring others. Drive modernization efforts and suppor...

Drive your career by providing senior-level leadership in managing and maintaining critical IT systems for enterprise applications. Collaborate with diverse teams to enhance reliability, security, and...

Manage and scale our infrastructure using Microsoft 365 services. Play a key role in rolling out security protocols, automating processes, and enhancing collaboration tools in a dynamic fintech enviro...

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...

Serve as a key technical resource for managing network systems and cloud infrastructure, ensuring high availability and performance while supporting enterprise applications and identity systems in a h...

Unlock your potential as you manage complex systems, enhance security infrastructure, and lead teams in a dynamic environment, ensuring compliance and operational excellence for critical government pr...

Manage IT systems by providing comprehensive support, troubleshooting, and maintenance. Ensure optimal performance through problem resolution, user assistance, and system operations oversight, contrib...

Explore and optimize IT systems through effective support and management. Diagnose issues at both Tier 1 and 2 levels while ensuring seamless functionality of client/server and network devices. Contri...

Join a dynamic team as a Software Engineer focused on developing and troubleshooting cutting-edge software applications. Engage with diverse technologies while collaborating in a fast-paced environmen...

Innovate by developing and troubleshooting complex software applications, integrating diverse technologies, and ensuring optimal functionality within a dynamic team. Bring your technical expertise and...

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...

Manage IT systems' implementation and troubleshooting while ensuring optimal operations. Support day-to-day activities, resolve technical issues, and provide Tier 1 and Tier 2 services to enhance syst...

Drive advanced storage solutions through configuration, testing, and troubleshooting for virtualization and cloud platforms, ensuring optimal performance across diverse systems in a dynamic, fast-pace...

Transform mission-critical software solutions by collaborating across disciplines to ensure compliance with technical, safety, and quality standards throughout the system lifecycle, enhancing spacecra...

Contribute to enterprise operations by administering Windows and Linux systems, ensuring security, availability, and performance while collaborating with senior engineers and supporting various infras...

Take ownership of systems and network administration, ensuring optimal IT support for national security operations. Collaborate with technical teams and end-users to maintain system availability, supp...

Shape the future of HPC security by implementing robust access controls and permission mechanisms. Collaborate with teams to ensure compliance with security policies and develop innovative software so...

Drive O&M support for NIPRNET, SIPRNET, and JWICS, collaborating to optimize user experience and system integrity for approximately 550 users. Manage virtual infrastructures and ensure compliance with...

Take ownership of Windows Server administration, ensuring system integrity and security while collaborating with a dedicated team on technologies that support national safety. Opportunities for mentor...