Senior Windows Administrator Jobs in Reston, VA

Shape the future of operational readiness by leading Tier 4 vendor support efforts across critical AI-driven military platforms, ensuring seamless functionality in classified and unclassified environm...

Transform the deployment of AI model-serving environments, ensuring high-performance delivery for defense missions. Collaborate with multi-service teams to enhance operational readiness and compliance...

Optimize IT systems by providing critical support for implementation, troubleshooting, and maintenance, while managing complex infrastructures. Drive daily operations and user assistance, ensuring sea...

Provide support for IT system implementation, troubleshooting, and maintenance. Engage in daily operations, problem resolution, and user assistance across various IT infrastructure, ensuring optimal p...

Transform network architecture by leading design and support for MSTP systems, enhancing performance and security. Collaborate with cross-functional teams to implement innovative solutions ensuring op...

Join a dynamic team driving IT system support for mission-critical enterprise applications. Develop and maintain infrastructure, ensuring security and reliability while enhancing operational efficienc...

Take ownership of mission-critical IT systems by providing support, troubleshooting, and maintenance for enterprise applications. Collaborate with teams to enhance infrastructure reliability and ensur...

Empower knowledge sharing and management across the Intelligence Community by developing and maintaining innovative systems, training users, and enhancing collaboration through strategic database solu...

Join our Corporate IT team as a Senior Cloud Platform Engineer to design and manage enterprise-scale cloud infrastructure across Azure and GCP, driving innovation in cloud-native solutions that enhanc...

Elevate system performance by administering and securing complex Linux infrastructures. You will support mission-critical operations in a classified environment while ensuring compliance with security...

Innovate and implement robust network solutions by maintaining computing environments, analyzing network requirements, and enhancing performance across various architectures to ensure optimal connecti...

Empower your career by serving as a strategic advisor and Salesforce expert. Lead large-scale engagements, mentor teams, and drive architectural excellence while collaborating with clients in the Publ...

Champion the advancement of cloud automation systems by harnessing your expertise in DevOps and systems engineering. Collaborate closely with leadership to innovate and deliver cutting-edge solutions...

Deliver innovative solutions by leading systems administration and DevOps activities for cutting-edge web and cloud technologies, enhancing analytics production and dissemination capabilities in a dyn...

Analyze telecom expenses, validate invoices, and ensure accuracy by identifying cost savings opportunities. Collaborate with clients to support operational excellence initiatives and reporting, gainin...

Transform knowledge management by optimizing SharePoint systems for operational intelligence. Collaborate with teams to enhance information sharing, streamline processes, and develop innovative web ap...

Join a dynamic team to monitor, maintain, and support IT and electronic security systems for various clients while providing Tier 1 helpdesk assistance and ensuring compliance with system standards. F...

Join a team that's dedicated to designing and optimizing cloud infrastructure. Leverage your AWS and DevOps expertise to build scalable, secure CI/CD pipelines, and mentor junior engineers while drivi...

Contribute to national security operations by maintaining high-availability Linux systems. Collaborate with cross-functional teams to troubleshoot complex issues, manage customer needs, and ensure com...

Champion the development of mission-critical software for the War Data Platform, leveraging advanced technologies to deliver operational capabilities across secure environments while setting the techn...

Optimize application delivery by managing Citrix systems securely and efficiently. Ensure VDI access, improve system performance, and automate tasks. Collaborate with teams to support a robust infrast...

Elevate your career into the realm of DevOps, designing CI/CD pipelines, automating workflows, and collaborating with teams to enhance operational efficiency while implementing secure software deliver...

Unlock your potential by safeguarding our digital ecosystem as you lead innovative security projects alongside a diverse team, enhancing collaboration and trust across our platform for millions of use...

Contribute to mission-critical modernization initiatives as a DevOps Engineer, focusing on automating and maintaining complex distributed systems in cloud environments. Drive improvements in reliabili...

Engage with us to architect and enhance data systems, ensuring optimal performance and data integrity for internal teams. Your expertise will support scalable data solutions and drive innovative, data...