IT Infrastructure Administrator Jobs in Washington, DC

Transform IT infrastructure management by supporting and maintaining complex systems. Collaborate across teams to ensure seamless operations, troubleshoot issues, and enhance security for high-impact...

Optimize IT system performance and reliability while managing UNIX and Windows environments. Ensure day-to-day operations and assist users with troubleshooting to enhance system efficiency across clie...

Accelerate progress at the forefront of Linux/UNIX system administration, ensuring high availability and robust security for Army command-and-control mission systems while providing technical leadersh...

Join a team that's driving excellence in Linux/UNIX systems administration. Lead technical initiatives, oversee security, and ensure top performance for mission-critical Army command-and-control syste...

Reimagine cybersecurity solutions by managing the Technical Engagement Network Lab, driving innovation and collaboration in advanced cybersecurity capabilities that support mission success and operati...

Join a team that's vital to our tech operations, supporting IT systems' deployment, troubleshooting, and optimization. You'll ensure systems are stable, secure, and performing excellently, making an i...

Shape the future of cybersecurity by securing and enhancing FEMA's Linux-based infrastructure. Collaborate with experts to ensure system integrity and availability, proactively monitoring performance...

Analyze customer requirements and create detailed hardware designs to ensure optimal IT solutions. Lead cross-functional teams in system validations, implement innovative technologies, and support ope...

Join us to build innovative Infrastructure-as-Code solutions that streamline client onboarding. Develop automated patterns and CI/CD pipelines to enhance security and governance, accelerating provisio...

Join a team that shapes the future of large-scale Linux systems administration. Oversee installations, monitor operations, and enhance system performance while maintaining security integrity in a dyna...

Innovate robust network solutions while managing critical systems upgrades, analyzing complex issues, and drafting SOPs to ensure optimal operations and security across diverse environments. Work inde...

Join a team that manages and supports enterprise telephony systems, providing technical leadership in configuring, maintaining, and troubleshooting infrastructure, while ensuring high availability and...

Execute systems administration for enterprise telephony infrastructure, ensuring maintenance, troubleshooting, and security compliance across Windows and Linux environments while collaborating with cr...

Transform complex security systems while ensuring optimal performance. As a key player, you'll manage implementations, troubleshoot issues, and collaborate with a dynamic team to enhance organizationa...

Unlock potential by leveraging your expertise in Windows infrastructure management, enhancing performance and security in complex environments, supporting critical operations, and driving automation t...

Join our team to support large-scale Linux systems through installation, monitoring, and problem resolution. Leverage your expertise in scripting and system administration to enhance security and perf...

Drive innovation in storage infrastructure design, leveraging extensive experience to analyze performance, enhance operations, and lead technical initiatives that optimize Information Lifecycle Manage...

Join our team to support the design and deployment of secure, reliable software. Leverage your expertise in systems administration and cloud technologies while collaborating with professionals to enha...

Optimize IT systems management by providing comprehensive support for installation, troubleshooting, and maintenance of server and network infrastructures while enhancing system performance and reliab...

Join a team that's passionate about enhancing IT infrastructure and support. Utilize your expertise in system administration to manage daily operations, troubleshoot issues, and optimize performance a...

Unlock potential by leveraging your 15+ years of Linux systems administration expertise to enhance large-scale operations, ensure security integrity, and optimize performance with innovative scripting...

Join a team that's dedicated to maintaining optimal Linux systems and storage solutions. Contribute your expertise to enhance system performance, security, and compliance while collaborating with cros...

Unlock your potential as you manage enterprise Linux environments, ensuring peak performance and security. Collaborate with teams to implement robust systems and maintain rigorous compliance while lev...

Provide top-tier IT support and system maintenance as a Junior Systems Administrator, working in a highly collaborative environment. Engage in troubleshooting, account management, and user training to...

Optimize mission-critical desktop infrastructure through expert support and maintenance of custom Linux-based workstations, enhancing High Performance Computing capabilities across two locations in a...