Senior Linux Administrator Jobs in Arlington, VA

Contribute to mission success as a Linux Administrator, supporting critical infrastructure operations and ensuring the stability of Linux systems through proactive management and expert problem-solvin...

Engineer robust enterprise infrastructure solutions, ensuring optimal system performance and capacity. Collaborate with teams to develop network designs, enhance system capabilities, and address compl...

Optimize mission-critical infrastructure while providing Tier 2 support for Linux and Windows systems in a secure, fast-paced environment. Collaborate with teams to troubleshoot issues and improve end...

Empower your career as a hands-on IT Systems Engineer managing Microsoft 365 and identity infrastructure. Drive strategic initiatives in SSO, endpoint security, and compliance while supporting a dynam...

Empower critical mission operations by designing and optimizing VMware and storage infrastructure. Collaborate with teams to maintain, troubleshoot, and enhance virtualization technologies across dive...

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...

The Linux Systems Engineer at Nightwing will be responsible for managing and maintaining Linux-based systems, ensuring security and performance of applications and infrastructure. The role involves tr...

Join a team that's dedicated to supporting mission-critical IT systems, providing essential Tier 1 and Tier 2 support, and ensuring the reliability and performance of enterprise IT environments for na...

Manage UNIX/Linux system administration for enterprise services, supporting complex mission environments. Drive operations, maintenance, troubleshooting, and compliance with security standards, ensuri...

Join our team to oversee and optimize IT infrastructure, ensuring performance in UNIX and Windows environments. Provide expert technical support and ensure system reliability for daily operations and...

Join a team that's focused on securing enterprise networks by managing and optimizing Red Hat Linux systems for essential compliance assessment solutions. You'll design, implement, and maintain critic...

Manage end-user support and maintain IT infrastructure to ensure seamless operations for critical aerospace missions. Drive technical solutions, improve system performance, and enhance user experience...

Take ownership of Windows systems administration and security measures, supporting a critical high-security cloud environment. Collaborate to enhance operational efficiency while monitoring processes...

Engineer robust systems to enhance mission-critical operations, optimize cloud and on-prem environments while ensuring security and performance. Foster collaboration with Agile teams to solve complex...

Join a team that's dedicated to safeguarding national security. In this role, you'll lead system administration for both Linux and Windows environments while collaborating with Agile teams to ensure p...

Optimize network performance and security by troubleshooting issues, managing hardware, and collaborating with a dedicated team to implement innovative solutions in a fast-paced tech environment...

Shape enterprise-level desktop systems by analyzing requirements, designing solutions, and leading cross-functional teams, while ensuring secure and reliable technology support for mission-critical op...

Empower government operations by leading desktop systems engineering efforts. Collaborate across teams to design, implement, and maintain secure enterprise desktop solutions within mission-critical en...

Partner with us to provide advanced Tier II support for desktop and endpoint systems, deploying and troubleshooting across various platforms while collaborating with cybersecurity and engineering team...

Elevate your career by joining a dedicated team to design and support cutting-edge High-Performance Computing environments that enhance national security through innovative technologies like AI and ma...

Help us elevate our cybersecurity efforts by conducting thorough assessments and validations for DOD systems, leading a team of engineers, and enhancing system resilience through strategic guidance an...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Drive your career forward by providing crucial support for IT systems. Utilize your expertise in Linux administration and advanced troubleshooting to ensure optimal performance and reliability in ente...

Unlock infrastructure excellence by overseeing system operations, enhancing reliability, and addressing complex issues in Linux environments. Collaborate with teams to optimize performance and support...

Accelerate progress at a dynamic organization by developing robust automation frameworks and optimizing Linux environments. Collaborate with stakeholders to enhance operational efficiency and mitigate...