Senior Windows Administrator Jobs in Reston, VA

Elevate mission-critical operations by administering Linux systems, ensuring reliability and security in a secure government environment while collaborating with engineering teams to enhance infrastru...

Manage and maintain critical enterprise infrastructure, ensuring system reliability and security in a secure government environment. Collaborate with engineering teams to enhance performance and suppo...

Manage and enhance Microsoft Windows environments, ensuring seamless operations and robust security. Collaborate with teams to optimize and troubleshoot systems while supporting a wide range of admini...

Pioneer innovative solutions as you lead infrastructure projects, align strategies with business goals, and enhance system performance. Drive high-quality outcomes while managing cross-team programs a...

Join a dynamic team as a Senior Costpoint System Administrator, overseeing Deltek Costpoint ERP management, ensuring system security, compliance, and seamless integrations while supporting finance and...

Drive network security and infrastructure excellence by managing advanced firewalls, optimizing connectivity, and leading technical initiatives to support critical operations and enhance performance a...

Explore a pivotal role in maintaining Linux and Windows infrastructure, supporting critical DevOps and operational systems across multiple environments. Collaborate with a diverse team to ensure syste...

Unlock potential by managing VMware environments, enterprise storage solutions, and Windows Server systems. Contribute to security implementations and compliance while supporting various network and i...

Deliver comprehensive storage support across multiple sites, enhancing performance and reliability in a high-performance, multi-vendor environment. Troubleshoot issues, conduct capacity planning, and...

Elevate your career by providing expert storage support across diverse sites, enhancing performance in a multi-vendor environment. Troubleshoot, optimize, and ensure reliability in high-performance st...

Lead the administration and engineering of Microsoft infrastructure, ensuring optimal performance and security across Microsoft 365, Azure Government, and endpoint management. Drive projects and mento...

Unlock the potential of intelligence systems integration by leading efforts to ensure seamless interoperability across multi-discipline analysis platforms, enhancing operational readiness and data-dri...

Shape the future of military intelligence by leading system integration efforts, ensuring seamless interoperability of advanced analytics and data platforms to enhance operational readiness and decisi...

Support critical integration tasks and troubleshoot workflows to enhance data sharing and interoperability within Army intelligence systems, ensuring seamless operations and modernization efforts...

Lead the charge in advancing terrestrial sensor integration for Army intelligence, ensuring seamless operational capabilities and strategic alignment across multiple defense sectors. Drive innovation...

Elevate systems engineering excellence by leading critical activities for a high-priority defense program. Collaborate with multidisciplinary teams to deliver innovative solutions that meet stringent...

Lead critical systems engineering efforts for a high-priority nuclear modernization program, ensuring innovative solutions meet mission requirements while adhering to schedule and cost constraints. Co...

Champion the administration of global Linux systems, ensuring optimal performance and security. Collaborate with teams to enhance network efficiency and implement robust security measures while provid...

Unlock your potential as a Linux Systems Administrator, managing global IT operations, optimizing performance, and enhancing security in a collaborative environment. Drive innovation and ensure system...

Elevate your career by contributing to cutting-edge HPC systems, focusing on Linux environments and advanced networking. Collaborate with a dynamic team to troubleshoot and optimize high-performance c...

Execute systems administration for enterprise telephony infrastructure, ensuring maintenance, troubleshooting, and security compliance across Windows and Linux environments while collaborating with cr...

Engineer innovative solutions as a Systems Engineer, leveraging your expertise in enterprise environments to support critical government initiatives. Collaborate with teams to enhance system performan...

Join a team that's dedicated to enhancing technology reliability and security. As a Senior Systems Administrator, you'll collaborate across various platforms and tools, driving improvements and suppor...

Innovate security operations by managing compliance, access control, and personnel security. Collaborate with teams to enhance safety protocols and provide administrative support for classified activi...

Drive the charge in managing and optimizing secure Linux systems and Kubernetes environments. Leverage your extensive DevOps expertise to enhance performance, security, and automation in mission-criti...