Senior Windows Administrator Jobs in Reston, VA

Unlock potential by driving innovative security solutions through low-level software analysis and reverse engineering. Collaborate with a talented team to tackle vulnerabilities and enhance OS securit...

Lead the charge in managing and optimizing enterprise Windows infrastructure, ensuring security and system performance while providing mentorship. Collaborate with IT teams to enhance endpoint managem...

Manage comprehensive database operations, ensuring performance, security, and compliance across platforms like Oracle and PostgreSQL while resolving complex database issues in a mission-critical envir...

Elevate your career by supporting the design and management of a complex Azure Virtual Desktop environment, providing expert troubleshooting and optimizing systems for seamless operations across vario...

Reimagine cybersecurity solutions by managing the Technical Engagement Network Lab, driving innovation and collaboration in advanced cybersecurity capabilities that support mission success and operati...

Champion reliable Linux environments by maintaining stability, security, and efficiency to support mission-critical operations and validate performances within a multidisciplinary team...

Make your mark at the forefront of enterprise data solutions, driving automation and analytics with Microsoft Power Platform tools. Develop and manage robust reporting capabilities while collaborating...

Grow your career with a vital role managing Veritas NetBackup infrastructure, ensuring data integrity for enterprise applications. You'll optimize backup processes, troubleshoot issues, and collaborat...

Transform the technology landscape by providing vital support for full life cycle software asset management, ensuring smooth operations and problem resolution for diverse IT systems and infrastructure...

Unlock potential by leading the Technical Engagement Network Lab, managing advanced cybersecurity capabilities, ensuring seamless operations, and delivering robust support to government agencies facin...

Unlock potential by providing IT support to users, troubleshooting hardware and software issues, and enhancing system performance through proactive modifications and expert communication. Collaborate...

Empower your career as you engineer, deploy, and maintain environments for web applications, working closely with a collaborative team on innovative cloud solutions that leverage AWS technologies and...

Manage and enhance system performance while supporting cloud infrastructure and software modernization efforts in a dynamic environment. Collaborate with teams to troubleshoot, administer, and documen...

Champion innovative solutions by designing and managing complex Linux systems. Lead major IT assignments, ensuring high cybersecurity standards while optimizing performance and mentoring junior team m...

Optimize technical solutions across Windows, Linux, and VMWare platforms. Collaborate with teams to enhance user experience and deliver automated solutions while ensuring effective troubleshooting and...

Oversee the help desk operations, ensuring effective user support and staff management. Lead a team to resolve IT issues related to desktop applications, hardware, and software while enhancing service...

Elevate your career by supporting diverse systems at the OSINT Integration Center. Lead in managing Linux and Windows environments, driving performance optimization, and ensuring compliance while bein...

Optimize system operations and architecture to enhance mission capabilities. Collaborate across teams to ensure robust applications and infrastructure. Provide expertise in server administration withi...

Join a team that supports mission-critical hosting and storage services. Leverage your expertise in VMware, Cisco UCS, and NetApp technologies to enhance enterprise infrastructure and ensure complianc...

Accelerate progress at tenant-level governance and administration of Power Platform products. Oversee platform health, licensing, and security compliance while driving integrations and support for on...

Pioneer innovative AI evaluation methods, ensuring quality metrics and setting rigorous standards. Collaborate with cross-functional teams to build and sustain evaluation frameworks for high-impact AI...

Oversee and optimize network infrastructure, ensuring performance, security, and availability. Collaborate with teams to address complex issues and implement cutting-edge technologies while providing...

Lead the charge in system engineering solutions, guiding cross-functional teams to achieve robust project outcomes while leveraging extensive experience and a collaborative approach...

Execute daily system management and upkeep for multi-user environments, supporting defense operations through configuration, maintenance, and analytics. Collaborate with partners to enhance capabiliti...

Champion customer relationships post-sale, ensuring maximum value, retention and growth for Enterprise accounts through effective onboarding, insights-driven account management, and collaboration with...