Windows System Administrator Jobs in Reston, VA

Transform global enterprise networks by designing and developing innovative tools and systems. Collaborate with cross-functional teams to enhance user experience and ensure high-quality software solut...

Elevate your career by innovating AWS solutions and automating deployment processes. Leverage your expertise to drive efficiency, enhance security, and implement best practices to tackle complex chall...

Transform information security by enhancing data loss prevention and insider threat capabilities. Engage in hands-on engineering, tool configuration, and cross-functional collaboration to protect sens...

Optimize enterprise LAN/WAN and telecom services for seamless network integration. Support migration initiatives while providing operational stability, security, and effective troubleshooting across v...

Unlock your potential by engineering robust Windows Server solutions that support global clients. Design, deploy, and optimize server infrastructures while embracing the DevOps model throughout the IT...

Empower our team by leading the migration of enterprise Oracle databases to the Oracle Federal Cloud, ensuring compliance, continuity, and operational support while driving technical decisions and sta...

Elevate technology operations by leading cross-functional teams to enhance quality, drive process improvements, and manage incidents. Collaborate with engineering and product management to ensure seam...

Lead the charge in safeguarding sensitive data within a critical cybersecurity program. Collaborate with teams to implement robust data protection controls and monitor user activity, ensuring complian...

Join a team that develops and coordinates DoD personnel vetting policies, conducts research, and advises leadership on security initiatives, ensuring compliance with regulations and improving overall...

Join a dynamic team to drive the technological direction of core IAM components. Lead talented SDEs while fostering cross-team collaboration and enhancing user authentication and access management acr...

Drive operational excellence as an Optical Engineer, troubleshooting and optimizing network performance across diverse optical systems. Collaborate with teams to ensure service restoration, empower co...

Engineer and optimize network infrastructure, ensuring reliability and security. Collaborate with IT teams to troubleshoot issues, develop policies, and enhance network performance while staying updat...

Drive full-stack development in a dynamic Agile environment, utilizing .Net technologies to build, design, and optimize cloud-based applications while ensuring robust performance and security standard...

Join a dynamic team as a Microsoft 365 Engineer, leading expertise in Exchange, SharePoint, and Teams while shaping the vision for optimal usage and educating staff on seamless implementation in a rem...

Lead the charge in enhancing the War Data Platform by designing automated test infrastructures for robust software quality, compliance, and DevSecOps operations across multiple security environments...

Join our team to architect and develop innovative GraphQL APIs, shaping the future of B2B intelligence. Lead a collaborative engineering effort focused on quality, scalability, and enhancing customer...

Join a team that's redefining software validation! As a key contributor, you will build and maintain automated test infrastructures, ensuring quality and compliance across multiple security environmen...

Lead the automation test strategy for a transformative defense initiative, ensuring software quality across multiple classification environments. Collaborate closely with development teams in a fast-p...

Empower our team by providing expert support for IT systems implementation, troubleshooting, and maintenance. Establish and maintain user accounts while ensuring compliance with customer policies for...

Manage and enhance tax compliance and reporting for US operations. Utilize expertise in international taxation and ASC 740 to support audits and lead process improvements, collaborating across teams t...

Take ownership of secure production systems, architecting and deploying innovative infrastructure solutions across cloud-native and edge environments, ensuring reliability and compliance with operatio...

Bring your expertise to develop cutting-edge kernel drivers and libraries for advanced network technologies, collaborating with global teams to deliver high-quality solutions in a dynamic, continuous...

Join a dynamic team to manage IT systems' infrastructure and support operations. Tackle troubleshooting, maintenance, and user assistance while ensuring optimal performance and effective communication...

Join our team to optimize and maintain IT systems, providing hands-on support and troubleshooting for infrastructure, client/server networks and user operations, ensuring reliability and performance a...

Manage project execution and client relationships, ensuring timely delivery and adherence to budget. Oversee team productivity and enhance operational strategies to drive project success and quality i...