Senior Windows Administrator Jobs in Reston, VA

Shape enterprise modernization by engineering SharePoint Online, OneDrive, and Power Platform solutions. Collaborate across teams to ensure secure, efficient operations while driving innovative soluti...

Shape the future of customer success operations in a high-stakes environment. Lead program strategies, stakeholder engagement, and operational excellence for the War Data Platform, ensuring impactful...

Deliver innovative network solutions as a technical lead, architecting advanced application delivery systems using F5 and Infoblox to enhance performance, security, and reliability in a complex, evolv...

Lead the charge in managing critical IT and cybersecurity projects for the U.S. Coast Guard. Drive compliance, direct teams, and enhance operations through strategic planning and execution of enterpri...

Architect robust data pipelines and infrastructure for operational medicine. Collaborate with cross-functional teams to deliver high-quality data solutions using Python, AWS, and SQL, while embracing...

Transform your career by providing technical leadership in network modernization projects. Leverage your expertise in IT systems to integrate complex network solutions and collaborate cross-functional...

Lead Helpdesk operations, ensuring Tier 1 and 2 support, manage VTC scheduling, coordinate AV systems compliance, and support training for technicians while providing technical direction and ensuring...

Shape the future of data strategy by leading innovative analytics efforts. You will collaborate with teams to design and implement cutting-edge solutions, guiding major projects that leverage machine...

Join an innovative team to design and execute tests on software architectures, identifying and mitigating performance limitations while collaborating with customers to enhance metrics and monitoring c...

Take ownership of software testing frameworks, identifying performance bottlenecks and implementing solutions. Collaborate closely with teams to enhance monitoring and metrics, driving improvements in...

Optimize and support critical federal identity management systems with cutting-edge tools. Drive system reliability and compliance while ensuring the protection of sensitive information in a secure en...

Empower operational excellence by ensuring seamless vendor support and issue resolution for enterprise analytics platforms, enhancing capabilities for Joint All-Domain Command and Control missions cri...

Empower mission success by leveraging your expertise in platform operations and IT support. As a critical team member, you'll drive operational continuity and enhance analytics capabilities in support...

Reimagine risk management processes by enhancing DoD cybersecurity initiatives. Analyze, document, and streamline enterprise operations while collaborating with government stakeholders. Drive efficien...

Provide full operational management of high-performance computing systems, ensuring optimal performance and security. Collaborate with teams to troubleshoot complex challenges while maintaining a proa...

Unlock a vital role in providing systems engineering integration for national intelligence, ensuring mission capability and end-to-end requirement closure while collaborating with stakeholders and enh...

Support security monitoring and detection engineering efforts to enhance visibility, compliance, and response capabilities. Take ownership of SIEM operations, log onboarding, and alerting processes in...

Join a team that's dedicated to maintaining and enhancing Linux/Unix environments through expertise in administration, troubleshooting, and proactive monitoring. Support critical operations while deve...

Deliver top-tier Linux/Unix systems administration while optimizing performance, troubleshooting complex issues, and ensuring compliance. Take ownership of operational reports and incident resolution...

Support systems administration by monitoring, troubleshooting, and optimizing network performance across development, testing, and production environments while ensuring compliance with operational st...

Solve complex computing challenges by managing large-scale HPC and storage systems, ensuring optimal performance, security, and user support in a collaborative, high-performing environment...

Deliver value by analyzing and documenting business needs while collaborating across teams to optimize processes and enhance system performance in a fast-paced financial services environment...

Unlock potential by driving advanced AI capabilities for the War Data Platform, enhancing operational support for U.S. defense initiatives through cutting-edge machine learning and natural language pr...

Build impactful enterprise applications by developing and maintaining crucial software for the Army National Guard. Ensure security and reliability in a collaborative Agile/DevSecOps team, supporting...

Lead innovative open-source intelligence efforts to identify and mitigate emerging fraud trends, while collaborating across teams to enhance risk assessments and reporting, ensuring robustness in inve...