UNIX System Administrator Jobs in Reston, VA

Contribute to the evolution of our security posture by developing robust metrics and alerts. This hands-on role involves analyzing traffic patterns, operating security controls, and ensuring coverage...

Empower system performance by providing crucial administration support for large-scale Linux infrastructure, ensuring operational excellence through monitoring, problem resolution, and security adhere...

Join a team that’s pivotal in managing Microsoft Identity and cloud technologies. Oversee system integrity and performance while ensuring seamless operations for various applications and databases in...

Elevate your career as a Windows Systems Administrator, managing and securing a dynamic Windows server and virtual infrastructure. Leverage your advanced skills in automation, PowerShell scripting, an...

Join our team to provide vital system administration and engineering support, ensuring operational security and performance across various networks. Collaborate efficiently while managing technical ch...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

Transform the Linux server landscape by managing installations, configurations, and optimizations. Drive automation and security compliance while supporting diverse projects in a collaborative environ...

Empower mission success by administering Windows systems in DoD environments. Leverage your expertise to enhance security, ensure compliance, and support critical operations within regulated and class...

Unlock potential by managing and supporting z/OS systems, ensuring optimal performance and reliability for government clients through expert-level administration and innovative technology solutions...

Transform cutting-edge technologies as an expert Systems Administrator, leading z/OS installation, maintenance, and support for a critical Government client while ensuring optimal system performance a...

Shape the future of IT support by managing critical systems for 600+ users. Engage in troubleshooting, system administration, and documentation while ensuring seamless operations in a dynamic environm...

Champion innovative cybersecurity solutions by designing and managing seamless Linux systems integration, ensuring operational excellence and incident response readiness in support of critical governm...

Support the administration and cybersecurity of Navy's training network infrastructure, ensuring optimal performance and security. Collaborate with teams to maintain, update, and troubleshoot server a...

Oversee IT support and administration for Windows/Linux environments in an air-gapped setting, ensuring reliable systems and efficient ServiceNow integration, while collaborating with a team to meet c...

Engineer, implement, and maintain critical IT systems while providing support, troubleshooting, and managing day-to-day operations to optimize performance and reliability in a complex technical enviro...

Engage in the support, management, and optimization of IT systems, ensuring operational efficiency and problem resolution. Collaborate with teams to enhance system infrastructures and maintain seamles...

Champion the enhancement of IT support services through effective systems administration, ensuring optimal performance of Windows environments while collaborating with teams to deliver solutions for c...

Join a team that advances enterprise Linux administration in a federal financial systems environment, ensuring optimal performance, security, and reliability while leading cloud migration initiatives...

Unlock your potential as you support critical communication systems in a dynamic 24/7 environment. Provide Tier 2 assistance and manage team operations while ensuring seamless IT performance across a...

Empower enterprise networks by providing expert administration in a dynamic hybrid cloud environment. Enhance infrastructure performance and security while ensuring reliable support and documentation...

Drive transformative systems administration initiatives while leveraging diverse technical expertise in Linux, Unix, and Windows environments. Collaborate on application and data flow management withi...

Drive high-performance computing operations and storage systems to optimize supercomputing resources, ensuring robust user support, system security, and operational excellence for Earth science modeli...

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Transform user experiences by managing complex IT systems and help desk inquiries. Oversee UNIX and Windows environments while enhancing operational efficiency based on user needs and system performan...

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