UNIX System Administrator Jobs in Greenbelt, MD

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...

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

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...

Accelerate your career by providing technical support for complex systems, troubleshooting issues on Windows 11, and collaborating on IT solutions that enhance user experience and system security for...

Optimize enterprise systems as a Senior Systems Administrator, focusing on virtualization and hyper-converged infrastructure. Collaborate with cross-functional teams while managing Windows servers, Nu...

Empower your career by sustaining and enhancing a vital Windows infrastructure. Collaborate with cross-functional teams to resolve complex system issues, enhance security, and optimize operations whil...

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 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...

Shape the future of IT systems by implementing, troubleshooting, and maintaining varied technologies. Support day-to-day operations, enhance system performance, and ensure compliance with security con...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

Deliver comprehensive Linux system administration support, ensuring the stability and performance of critical infrastructure through effective management of CentOS, Rocky, and RHEL environments while...

Play a key role in managing and maintaining Linux systems, collaborating with teams to ensure optimal server performance while adhering to security protocols and guidelines. Leverage extensive experie...

Drive operations excellence by managing IT systems, providing Tier 1 and 2 support, and troubleshooting various technologies. Contribute to optimization of system performance and enhance user experien...

Join a team that's vital to supporting secure IT systems for Veterans. You'll oversee system operations, ensuring compliance and performance across various environments while collaborating with divers...

Manage and secure Linux systems in dynamic enterprise environments, ensuring high performance and uptime. Collaborate to enhance security, automate administrative tasks, and resolve complex technical...

Optimize enterprise Linux systems by managing, securing, and maintaining environments for peak performance and reliability. Ensure user access management and automate administration tasks while troubl...

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...