Windows System Administrator Jobs in Manassas, VA

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...

Lead the charge in developing scalable, cloud-native software solutions while driving engineering excellence across agile teams. Collaborate with cross-functional partners to deliver innovative, secur...

Empower a global community of practitioners by driving engagement and insights across online platforms. Create initiatives to support and grow the NetBox ecosystem, enhancing connections between users...

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...

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 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...

Redefine the networking landscape by designing and maintaining robust, scalable, and secure infrastructures for hybrid environments. Collaborate with diverse teams to optimize performance and drive in...

Shape the future of mission-critical electrical design by managing projects from concept to completion, collaborating with multidisciplinary teams, and developing design standards while ensuring quali...

Transform complex military operational requirements into effective systems by applying advanced engineering principles, leading strategic projects, and mentoring teams to ensure optimal system design...

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...

Join a team that's pioneering solutions with your expertise in systems engineering, drawing on 20+ years of experience. Your role encompasses critical project delivery and innovation, supporting an im...

Tackle the challenge of configuring and testing hardware and software in a simulated environment, ensuring seamless technology deployment for end-users through precise assembly, installation, and trou...

Transform your software engineering skills by developing a user-friendly, production-grade UI. You'll enhance data processes and lead innovations in a collaborative environment focused on impactful pr...

Join a dynamic team to design and develop secure, scalable software applications that support critical mission operations, working collaboratively in an Agile environment using Java, Python, and RESTf...

Lead the charge in architecting robust SRE infrastructure, driving innovation across deployments. Influence technical strategy, guide teams, and ensure system reliability globally while mentoring tale...

Champion security engineering to enhance Cisco IT's compute and AI infrastructure. Collaborate with cross-functional teams to enforce security policies, modernize systems, and strengthen incident resp...

Unlock potential by engineering secure, high-availability networks that enhance national criminal justice operations. Collaborate across teams to maintain infrastructure, troubleshoot issues, and supp...