Senior Windows Administrator Jobs in Fairfax, VA

Contribute to the optimization of IT systems by managing infrastructure, resolving issues, and supporting both Tier 1 and Tier 2 operations. Enhance system reliability and performance while ensuring c...

Unlock your potential in a dynamic IT support role, overseeing infrastructure, enabling smooth operations, and troubleshooting issues across diverse systems while reinforcing security protocols for op...

Lead the charge in managing enterprise-level logging and monitoring systems, ensuring optimal performance and security across multi-region infrastructures, while providing advanced troubleshooting and...

Champion system engineering initiatives by guiding design, development, and integration efforts. Collaborate with users to define requirements and lead technical solutions, ensuring effective architec...

Champion IT excellence by managing system operations and support while ensuring effective troubleshooting and maintenance. Collaborate with teams to enhance client/server/storage/network performance a...

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...

Join a team that's shaping the future of IT operations by managing Windows and VMware systems in a secure environment. Collaborate on cutting-edge solutions to enhance efficiency and security within a...

Transform mission-critical systems as a Systems Administrator, ensuring the reliability and security of cloud infrastructures. Collaborate across teams to automate processes and enhance software deliv...

Advance your career by providing top-tier HPC services, ensuring seamless IT operations while solving complex issues and enhancing system performance. Collaborate with diverse teams to deliver impactf...

Support and optimize HPC environments, ensuring system integrity and efficiency. Manage daily operations, troubleshoot issues, and provide excellent service to enhance IT system performance and reliab...

Lead the charge in providing advanced HPC services through optimization, troubleshooting, and maintenance of IT systems, while overseeing daily operations and ensuring seamless user support and system...

Empower high-performance computing through expert system administration, providing critical support, troubleshooting, and optimization of IT systems, while managing daily operations and enhancing reli...

Make your mark at the forefront of technology by leading a dynamic DevOps environment. This role involves maintaining and evolving Linux systems while ensuring optimal network performance and security...

Elevate your technical expertise as a Linux System Administrator, designing and maintaining critical Cross Domain Solutions. You'll enhance security and performance while mentoring a collaborative tea...

Join a team that's dedicated to enhancing system stability and security. As a Linux/Unix Systems Administrator, manage and optimize server performance while collaborating with cross-functional teams f...

Elevate your career by ensuring seamless operations of multi-user computer systems. Collaborate with teams to maintain performance, enhance security, and provide top-tier support in a dynamic hybrid L...

Champion a seamless IT experience by resolving technical issues and enhancing system performance for clients. Utilize analytics to drive improvements and deliver top-notch customer support in a missio...

Join a team that's critical to maintaining system reliability and security, optimizing enterprise application servers, and ensuring compliance with cybersecurity directives for a mission-driven progra...

Champion operational excellence by managing enterprise systems, ensuring compliance with cybersecurity standards, and supporting critical IT infrastructure for mission success across diverse environme...

Develop and manage IT systems infrastructure, providing troubleshooting and maintenance support. Ensure optimal performance of client/server, network, and mobile devices while leading Tier 1 and 2 iss...

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...

Take ownership of critical IT systems by providing top-tier technical support, diagnosing issues, and managing system infrastructure, ensuring optimal performance and reliability in a dynamic environm...

Shape the future of enterprise IT support by overseeing seamless user assistance across classified environments. Lead operational strategies to enhance mission-ready capabilities and drive process imp...

Explore your potential as a senior operational leader in user support, enhancing mission-critical services across diverse security environments while managing a dynamic team dedicated to excellence an...

Drive operational excellence by overseeing multi-tier user support, optimizing performance in classified environments, and enhancing mission readiness through strategic leadership and innovative servi...