IT Security Administrator Jobs in Washington, DC

Drive operational excellence by managing high-performance computing systems, enhancing infrastructure, and collaborating with teams to ensure seamless IT operations and support for evolving mission re...

Unlock your potential by supporting high-performance computing systems. Collaborate with teams to enhance infrastructure, streamline processes, and ensure secure operations in a dynamic datacenter env...

Join a team that's dedicated to enhancing systems security through proactive monitoring, documentation, and collaboration. You'll play a vital role in safeguarding sensitive information while advising...

Elevate your career by contributing to cutting-edge HPC systems, focusing on Linux environments and advanced networking. Collaborate with a dynamic team to troubleshoot and optimize high-performance c...

Pioneer robust infrastructure solutions across cloud and hybrid environments, ensuring seamless integration between operations and development teams. Drive system design, security, and automation to e...

Lead the charge in managing cybersecurity posture across programs, ensuring effective risk management and security controls. Collaborate with senior leadership to integrate cybersecurity into operatio...

Elevate your career by leading security and compliance initiatives in a dynamic healthcare SaaS environment. Drive key programs, manage audits, and partner with cross-functional teams to ensure regula...

Join a team that's dedicated to supporting national security operations through effective IT systems management. This role involves hands-on administration of Linux and Windows systems, ensuring optim...

Join a dynamic team to enhance cybersecurity for Marine Corps systems. Leverage your expertise in risk management and compliance to ensure robust information security across critical programs while su...

Empower the future of information security by leading architecture and engineering initiatives. Collaborate with stakeholders to embed security in technology solutions, driving innovation through auto...

Empower secure enterprise environments by providing expert Windows systems administration, supporting Tier 2 and 3 troubleshooting, and managing system lifecycles in a classified setting...

Engineer robust Linux systems, manage virtual environments, and enhance security compliance. Collaborate with teams to integrate technologies and deliver technical presentations, ensuring optimal perf...

Join a team that's dedicated to enhancing enterprise infrastructure for national defense missions. As a Linux System Administrator, you'll manage systems, optimize operations, and support IT infrastru...

Champion the security and administration of Microsoft 365 environments, ensuring robust user access, endpoint management, and compliance. Collaborate with teams to enhance security controls and respon...

Empower your career by managing IT systems and infrastructure. Provide expert support for troubleshooting, maintenance, and compliance, ensuring optimal performance across diverse platforms while coll...

Support mission-critical systems by administering and optimizing Linux infrastructure, implementing automation, and ensuring security compliance in a dynamic environment. Collaborate with teams to tro...

Join a dynamic team as you support and optimize IT systems in complex enterprise environments. Leverage your expertise in Linux, HPC, and advanced networking to enhance mission-critical infrastructure...

Elevate IT systems management by optimizing and supporting mission-critical infrastructure. Lead advanced troubleshooting in high-performance computing environments, ensuring seamless operations and e...

Oversee and enhance security measures across network, compliance, and access management. Collaborate with teams to design and implement resilient infrastructure while leading a high-performing securit...

Lead the charge in developing innovative web solutions using SharePoint and advanced technologies. Collaborate with teams to enhance user experience and ensure compliance with government policies whil...

Transform critical federal systems by leading a dynamic team of IT professionals, ensuring high availability and resilience while driving technical excellence and operational efficiency in a hybrid en...

Elevate your career as a Systems Administrator, leveraging 11+ years of expertise in troubleshooting, project management, and technical support to optimize systems and lead IT initiatives across diver...

Empower your career by providing critical support for IT systems, ensuring seamless operations and troubleshooting across diverse environments. Collaborate with teams to enhance system performance and...

Deliver effective project management and oversight for contractor teams, ensuring timely completion of enterprise-level firewall initiatives while maintaining compliance with government standards and...

Empower scientific discovery by ensuring resilient network infrastructure. As a key contributor, you'll support LAN/WAN services, troubleshoot issues, and collaborate with IT professionals to maintain...