Senior Windows Administrator Jobs in Reston, VA

Elevate enterprise Linux environments by managing CentOS and RHEL systems. Drive system performance optimization and security compliance, adapting swiftly to changing demands while ensuring effective...

Manage and enhance enterprise IT systems, focusing on Azure, Active Directory, and Microsoft 365. Your expertise will ensure robust security, efficient automation, and effective support across diverse...

Take ownership of IT systems' implementation, operation, and maintenance. Support Tier 1 and Tier 2 problem resolution while managing UNIX and Windows environments to ensure system reliability and per...

Explore your career as a System Administrator II, where you'll enhance IT systems, troubleshoot issues, and ensure smooth operations across various platforms. Join us to make a significant impact on o...

Lead the design, implementation, and maintenance of complex databases, ensuring system integration and security. Serve as a consultant or team lead, resolving complex data issues while supporting ente...

Unlock potential by leveraging your extensive systems administration expertise to support complex programs. Collaborate within a dynamic team to enhance infrastructure and optimize system performance...

Elevate IT infrastructure integrity by managing complex systems, networks, and storage. Apply your expertise to ensure operational excellence and tackle advanced integration challenges across various...

Join a team that's enhancing business operations through expert support of the ServiceNow platform, driving integrations, and refining IT processes within a dynamic IT environment...

Unlock new possibilities as you design secure infrastructure and enhance system performance. Collaborate with a talented team to maintain seamless operations across cloud and database environments whi...

Transform IT support with expertise in systems administration, focusing on end user device management, troubleshooting, and process improvement within a dynamic environment, while collaborating with e...

Champion the future of equity administration by managing RSU awards, ensuring compliance, and enhancing global operations. Collaborate across Finance, Payroll, and Legal to optimize workflows and driv...

Lead the charge in enhancing Windows systems through automation, patch management, and troubleshooting. Utilize cloud technologies and contribute to infrastructure improvements while collaborating wit...

Provide in-depth support and problem resolution for IT products and access administration. Interact with users to troubleshoot hardware/software issues and coordinate projects, ensuring timely and sec...

Optimize secure IT infrastructures by providing hands-on support for Linux and Windows systems. Troubleshoot complex technical issues, ensuring compliance and availability in classified environments...

Advance your career by managing Unix/Linux environments, ensuring system resilience and security. Collaborate with teams to optimize multi-environment systems while safeguarding against modern vulnera...

Contribute to the advancement of Linux operations by managing server environments, optimizing system performance, and ensuring robust integration with hardware and applications while collaborating acr...

Elevate your career by leading the successful delivery of advanced endpoint implementation projects, leveraging your expertise in cloud technologies and security to enhance customer experiences and ou...

Drive complex network projects, guide technical teams, and ensure timely delivery of network solutions while providing leadership in a challenging environment. Collaborate with stakeholders to enhance...

Architect secure cloud infrastructure to optimize performance, enhance scalability, and support seamless development operations in diverse environments while collaborating with cross-functional teams...

Take ownership of mission-critical FAA systems by maintaining, troubleshooting, and enhancing Red Hat Enterprise Linux environments. Collaborate with various teams to ensure system availability, perfo...

Elevate mission-critical FAA systems through expert administration and support. Collaborate across teams to enhance performance, troubleshoot complex issues, and ensure the security and compliance of...

Lead the charge in designing and integrating innovative systems across programs, ensuring mission needs are met through collaborative engineering and data analysis. Drive impactful solutions while bal...

Drive critical IT infrastructure management for a vital customer program. Configure, troubleshoot, and secure servers, storage, and networks while ensuring system performance and reliability in a fast...

Oversee complex IT systems and cloud services, ensuring robust infrastructure support and strategic management for FDA’s essential public-facing web presence, enhancing communication and operational e...

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...