Senior Windows Administrator Jobs in Herndon, VA

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...

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...

Analyze and provide support for IT systems, ensuring optimal performance and troubleshooting issues across client/server/storage/network devices while overseeing day-to-day operations and enhancing sy...

Join a team that's focused on elevating enterprise Linux environments through automation, CI/CD development, and system administration while ensuring security and operational stability across all plat...

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...

Unlock potential by delivering top-tier systems support, managing performance, and resolving technical issues in a dynamic, mission-critical environment while ensuring customer satisfaction and operat...

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...

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...

Accelerate progress at the forefront of IT systems administration, overseeing vital lifecycle sustainment and modernization efforts for advanced educational applications supporting government initiati...

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...

Join a team that's committed to optimizing IT system performance, troubleshooting issues, and supporting essential operations. Utilize your skills to manage and maintain critical IT infrastructures in...

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...

Shape the future of IT by ensuring system stability, security, and performance. This role involves managing servers, networks, and critical systems while collaborating with teams to implement innovati...

Empower our team by leveraging your expertise in system administration to ensure robust IT infrastructure stability, security, and performance. Collaborate effectively to tackle technical challenges a...

Join a team that's committed to enhancing IT infrastructure stability and security. Leverage your technical skills to manage systems, networks, and performance, while collaborating on innovative techn...

Optimize IT support services by resolving technical issues for users, managing access and application administration, and ensuring timely problem resolution while maintaining security standards across...

Lead the charge in managing IT system infrastructures, providing troubleshooting and support for various platforms. Engage in problem resolution while ensuring operational integrity to enhance reliabi...

Champion the deployment and management of Linux systems, leveraging expertise in virtualization and automation to enhance operational efficiencies across a dynamic environment while collaborating with...

Drive innovation by leveraging your expertise in Linux systems, virtualization, and automation to enhance operations. Collaborate with a skilled team on an exciting new contract that contributes to ou...