Senior Windows Administrator Jobs in Reston, VA

Join a dynamic team to enhance our network infrastructure while ensuring its performance and security. Utilize your extensive experience in administration and troubleshooting to lead network projects...

Contribute to the stability and security of mission-critical GIS operations by leading the administration of Esri ArcGIS Enterprise systems. Ensure seamless integration, performance, and user support...

Deliver advanced network and systems engineering solutions, ensuring robust support for critical infrastructure in hybrid environments. Collaborate to optimize performance, troubleshoot complex issues...

Empower the efficient operation of multi-user systems as you manage resources, implement security measures, and evaluate vendor products to enhance performance, all while collaborating with a team ded...

Transform your career by deploying and enhancing Linux systems across various environments, ensuring reliability through automation, monitoring, and collaboration with cross-functional teams for missi...

Collaborate with teams to enhance cloud operations, analyze billing metrics, and streamline processes for federal clients, ensuring business alignment with technical solutions while maintaining compli...

Take ownership of cloud service operations, manage billing, and enhance business processes while collaborating with federal clients to align technical capabilities with business needs. Drive efficienc...

Unlock potential by designing and automating secure cloud infrastructure while ensuring scalability and reliability through CI/CD processes and integrated development workflows in a hands-on engineeri...

Join us to design and automate modern cloud infrastructures, enhancing scalability and security. Bring your expertise in DevOps, cloud technologies, and scripting to collaborate across teams, ensuring...

Shape the future of IT service by leading the Service Desk operations, ensuring high-quality support, optimizing processes, and effectively coordinating team efforts in a dynamic environment. Drive cu...

Join a dynamic team to build and maintain data pipelines for cybersecurity, ensuring secure service availability. Leverage your expertise in Linux, Windows, and networking while collaborating closely...

Drive integrations excellence by developing robust finance system connections. Work with industry-leading tools, enhance automation, and ensure compliance, all while collaborating with finance teams t...

Lead the charge in managing server environments and cloud services while ensuring optimal performance and security. Collaborate with a skilled team in a fully remote setting, supporting critical infra...

Support access management operations and complex security classification functions. Collaborate with military audiences, conduct training, and validate security operations while leveraging advanced kn...

Accelerate progress at the intersection of system administration and integration, ensuring optimal performance and security of Linux and Windows platforms while providing technical leadership and supp...

Unlock potential by advancing mission-critical IT systems. Collaborate with skilled teams to enhance server performance, ensure network security, and maintain robust backups, all while thriving in a d...

Optimize system performance and security with proactive support for SaaS solutions. Collaborate within a dynamic team to enhance operational efficiency and service quality in response to user needs an...

The Technical Analyst at Skyward will support the Centers for Medicare and Medicaid Services by developing and improving software applications and providing technical support for analytical tools. The...

Innovate and drive development of a Windows-native client, collaborating closely with engineering teams to enhance product features and maintain cross-platform integration within a fully remote and dy...

Build robust multi-platform operating systems by enhancing security and automation. Oversee server performance, conduct audits, and collaborate on tech integration for optimal operational integrity. D...

Join a dynamic team as you leverage your expertise in Linux Systems Administration. Lead the efforts in enhancing security, automating processes, and supporting multi-platform environments while ensur...

Champion secure, scalable cloud solutions in multi-cloud environments, driving DevOps best practices and compliance in a highly regulated space. Collaborate with teams to mentor and implement Infrastr...

Join a team that's responsible for enhancing server operations, monitoring systems, and optimizing IT services. Leverage your skills to support users and ensure high quality network transmission in a...

Elevate system performance by managing server operations, configuring software, and optimizing network resource utilization to support seamless IT functionality and user assistance...

Elevate your career by driving innovative security solutions through Windows reverse engineering and CNO development, leveraging your extensive expertise to shape cutting-edge vulnerability research i...