Senior Windows Administrator Jobs in Reston, VA

Deliver effective IT system support and ensure optimal performance through troubleshooting, problem resolution, and management of infrastructure and operations in a dynamic environment, enhancing clie...

Manage and secure Linux systems in a classified environment, supporting network infrastructure, automating tasks, and ensuring compliance through vulnerability remediation and patching...

Unlock your potential by managing IT systems with a focus on troubleshooting, implementation, and maintenance. Enjoy a breadth of responsibilities while supporting internal customers and optimizing sy...

Drive hands-on support for complex IT systems in a dynamic environment. Partner with teams to ensure effective administration, troubleshooting, and security across server, desktop, and network infrast...

Drive innovative solutions by managing Linux systems and automating infrastructure. Support critical malware analysis programs with exceptional performance across enterprise systems, ensuring secure a...

Drive the modernization of malware analysis systems by mastering Linux environments, automating deployments, and ensuring flawless operations. Collaborate within a dynamic team to deliver next-gen cyb...

Engage in the administration of SharePoint environments, ensuring secure access, effective collaboration services, and alignment with compliance standards. Drive the enhancement of tools and processes...

Manage and maintain critical IT infrastructures for defense operations, ensuring security compliance and optimal performance across diverse systems in a classified environment. Collaborate with teams...

Help us maintain operational excellence in a high-profile DOD environment. As an Intermediate NOSC Technician, you will monitor, troubleshoot, and ensure secure IT services for mission-critical operat...

Lead the charge in optimizing Linux systems for mission-critical operations. You'll troubleshoot and automate complex environments, ensuring readiness for testing and deployment, while working collabo...

Lead the charge in managing and optimizing Red Hat Linux systems, ensuring peak performance and reliability. Collaborate with teams to support operations and troubleshoot issues in a dynamic IT enviro...

Unlock potential by managing and optimizing IT systems for FDA’s public web presence, ensuring seamless operation of complex infrastructure supporting millions of visitors and vital information dissem...

Transform cloud infrastructure by leading the design, deployment, and enhancement of automated solutions. Collaborate across teams to optimize operations while ensuring security and compliance in mult...

Drive enterprise-wide Windows 11 solutions, optimizing deployments and mentoring teams to enhance performance, compliance, and user experience while ensuring standardization across endpoint management...

Take ownership of IT system operations by providing support, troubleshooting, and enhancing infrastructure processes. Manage Linux and Windows systems while ensuring optimal performance and reliabilit...

Lead the charge in managing IT systems and infrastructure, ensuring optimal performance and reliability. Provide expert troubleshooting, Tier 1 and 2 support, and engage in system enhancements across...

Drive IT system efficiency by managing Linux, Unix, and Windows infrastructure. Support troubleshooting, maintenance, and user assistance to enhance daily operations and ensure optimal performance for...

Manage IT system infrastructure, troubleshooting, and maintenance across multiple platforms. Support Tier 1 and Tier 2 problem resolution while ensuring operational efficiency for client/server and ne...

Manage IT systems by implementing, troubleshooting, and maintaining infrastructure. Oversee daily operations and problem resolution for client/server/storage network devices while enhancing operating...

Provide expert support for IT systems implementation, troubleshooting, and maintenance. Ensure optimal performance across Linux, Unix, and Windows environments while managing daily operations, user as...

Join a team that's responsible for managing and maintaining IT systems, ensuring optimal performance across client/server/storage networks. Collaborate on troubleshooting and resolution, supporting bo...

Manage complex application engineering and integration within a Federal enterprise, delivering expert operations support while ensuring performance and reliability of the application portfolio in a hy...

Join a team that delivers effective solutions in a classified environment, collaborating on hands-on system administration while ensuring security and compliance for seamless operations across the sys...

CTC is seeking a Mid-Level Linux System Administrator to support the Intelligence Community in Laurel, MD. The role involves managing IT system infrastructure, providing support for critical enterpris...

Unlock potential by providing expert Linux systems administration and operational support in mission-critical environments. Engage with a team for standard and after-hours coverage, ensuring smooth ap...