Senior Windows Administrator Jobs in Fairfax, VA

Play a key role in managing and maintaining Linux systems, collaborating with teams to ensure optimal server performance while adhering to security protocols and guidelines. Leverage extensive experie...

Lead the charge in enhancing cloud infrastructure through automated solutions, technical mentorship, and operational excellence. Collaborate globally to implement effective strategies, drive innovatio...

Manage UNIX/Linux system administration for enterprise services, supporting complex mission environments. Drive operations, maintenance, troubleshooting, and compliance with security standards, ensuri...

Empower your career by sustaining and enhancing a vital Windows infrastructure. Collaborate with cross-functional teams to resolve complex system issues, enhance security, and optimize operations whil...

Optimize IT operations as a Senior System Administrator, managing systems infrastructure, troubleshooting issues, and enhancing reliability across diverse environments while providing exceptional tier...

Join a team that's shaping the future by leading complex technical projects and programs. Drive system architecture design, integration, and performance with cutting-edge technologies while ensuring m...

Lead the charge in managing IT systems infrastructure, ensuring seamless operations, troubleshooting, and compliance while providing expert support for network devices and client/server solutions acro...

Champion SharePoint administration to enhance documentation management for the Army National Guard, ensuring compliance and security in a complex enterprise environment supporting thousands of users a...

Serve a critical role in enhancing the operational readiness of AI model-serving infrastructures by architecting configuration management systems across classified environments. Collaborate with diver...

Grow your career with a pivotal role managing AI model-serving operations across security enclaves, ensuring reliable deployment and compliance with cybersecurity standards. Collaborate with teams to...

Elevate operational efficiency by identifying automation opportunities and implementing innovative solutions in support of process modernization initiatives. Collaborate with teams to enhance workflow...

Support critical satellite operations by maintaining systems and resolving issues. Collaborate with technical leads to implement IT solutions, automate monitoring, and ensure service continuity for vi...

Engineer enterprise IT solutions by providing advanced Tier III support, resolving complex technical issues, and ensuring system stability and security. Collaborate with teams to enhance user experien...

Help us ensure optimal system performance by providing Tier III support for complex IT incidents, managing user access, and upholding cybersecurity standards in a dynamic, enterprise-level environment...

Elevate your career by leading the design and operation of secure multi-enclave systems. Leverage Infrastructure-as-Code, DevSecOps practices, and advanced monitoring to support vital defense initiati...

Build secure, mission-ready infrastructure for multi-enclave environments, leveraging Infrastructure-as-Code and DevSecOps practices to enhance operational resilience and support national defense init...

Join our expanding team as a skilled cloud engineer to support and enhance our enterprise cloud infrastructure, driving forward AI/ML/Data Science initiatives through effective system administration a...

Shape the future of Command and Control programs by leveraging your extensive systems engineering expertise to develop vital documentation, assess deliverables, and support engineering efforts in a co...

Advance your career by leveraging your .NET expertise in full SDLC projects. Collaborate with stakeholders to design high-performance, scalable applications utilizing Microsoft technologies, ensuring...

Drive analytic excellence by leveraging tools and databases to support HUMINT collection. Collaborate with cross-functional teams to assess operational needs and deliver comprehensive targeting report...

Manage and optimize system infrastructure, ensuring high reliability and security. Lead architectural initiatives, provide expert support for operational issues, and document solutions. Collaborate wi...

Pioneer innovative solutions by developing and enhancing secure, scalable Java applications. Collaborate with cross-functional teams to ensure compliance and integration, while transforming legacy sys...

Optimize enterprise infrastructure by designing resilient solutions, integrating technologies, and advancing automation, while leading teams to deliver impactful outcomes aligned with business strateg...

Drive innovative solutions by architecting scalable, resilient infrastructures. Lead teams to optimize performance and integrate advanced technologies to meet client needs in complex environments...

Contribute to the administration of SharePoint environments, ensuring secure architecture and compliance while enhancing collaboration through Microsoft Power Platform solutions. Deliver responsive su...