Windows System Administrator Jobs in Fairfax, VA

Contribute to IT excellence by managing helpdesk support, enhancing documentation standards, and driving Tier 2 systems administration across diverse SaaS platforms, fostering a collaborative environm...

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

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...

Champion the enhancement of IT support services through effective systems administration, ensuring optimal performance of Windows environments while collaborating with teams to deliver solutions for c...

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...

Develop cutting-edge software solutions while leading full lifecycle projects. Collaborate within teams serving federal clients, enhancing technical capabilities in a dynamic, hybrid work environment...

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 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...

Unlock potential by supporting cybersecurity initiatives through adept management of network infrastructure. Leverage your expertise in configuring, securing, and maintaining systems across both physi...

Join a team that's shaping the future of software solutions, solving critical national challenges through innovative engineering while enhancing your skills in a collaborative, growth-focused environm...

Unlock your potential by leading the design of innovative solutions that integrate scientific informatics with lab automation, ensuring high-performance and scalable architectures across diverse envir...

Engage as a senior software engineer with 20 years of experience, specializing in AWS managed services. Collaborate on complex projects requiring a Top Secret/SCI clearance, making significant contrib...