Senior Windows Administrator Jobs in Herndon, VA

Unlock potential by managing and optimizing Azure cloud infrastructure, ensuring security, performance, and high availability while delivering expert support in hybrid environments for a major governm...

Join a team that's dedicated to implementing and maintaining IT systems for federal contracts, providing vital support and ensuring high reliability of client/server, storage, and network devices whil...

Take ownership of IT systems administration, ensuring optimal performance and security across multiple servers and virtual environments. Drive compliance with security standards while collaborating wi...

Transform infrastructure management by delivering automated solutions, ensuring compliance, and optimizing security measures. Collaborate across teams to maintain system integrity and performance, dri...

Lead our IT Support Team by managing systems administrators, overseeing infrastructure compliance, and supporting 400+ users. Provide expert-level systems administration and deliver top-notch customer...

Drive your career forward by managing critical server operations and virtual environments. Utilize best practices for security and maintenance while collaborating on network designs and enhancing work...

Transform Air Force Intelligence Operations by designing Linux-based systems. Play a key role in creating innovative solutions that meld advanced technology with real-time mission requirements. Collab...

Champion innovative cybersecurity solutions by designing and managing seamless Linux systems integration, ensuring operational excellence and incident response readiness in support of critical governm...

Transform infrastructure by leveraging Linux expertise and automation to optimize system performance and security, ensuring seamless development and deployment processes through CI/CD practices...

Empower your career by managing SharePoint infrastructures through upgrades, administration, and support. Collaborate across teams to enhance user experiences and ensure system integrity while maintai...

Support enterprise systems and endpoint management in a hybrid environment. Collaborate on advanced troubleshooting, enforce Zero Trust principles, and mentor junior staff to enhance service quality a...

Provide Tier 3 application support and administration, enhancing workflow and reporting functionalities. Collaborate in a cross-functional team to ensure application stability and user satisfaction in...

Lead the charge in ensuring the stability and security of IT operations while optimizing on-premises and cloud systems. Collaborate with teams to deliver effective technical solutions and provide high...

Transform enterprise IT operations with your extensive experience in Windows migrations, Active Directory management, and server configuration. Drive compliance and efficiency in multi-domain environm...

Join a team that's committed to optimizing Linux systems management through installation, configuration, and monitoring, ensuring system reliability in a collaborative environment focused on innovatio...

Join a team that's dedicated to ensuring the security and functionality of critical IT systems. This role encompasses system administration, user support, and operational sustainment for classified en...

Contribute to the optimization of IT systems by managing infrastructure, resolving issues, and supporting both Tier 1 and Tier 2 operations. Enhance system reliability and performance while ensuring c...

Unlock your potential in a dynamic IT support role, overseeing infrastructure, enabling smooth operations, and troubleshooting issues across diverse systems while reinforcing security protocols for op...

Lead the charge in managing enterprise-level logging and monitoring systems, ensuring optimal performance and security across multi-region infrastructures, while providing advanced troubleshooting and...

Champion system engineering initiatives by guiding design, development, and integration efforts. Collaborate with users to define requirements and lead technical solutions, ensuring effective architec...

Champion IT excellence by managing system operations and support while ensuring effective troubleshooting and maintenance. Collaborate with teams to enhance client/server/storage/network performance a...

Join a team that's shaping the future of IT operations by managing Windows and VMware systems in a secure environment. Collaborate on cutting-edge solutions to enhance efficiency and security within a...

Transform mission-critical systems as a Systems Administrator, ensuring the reliability and security of cloud infrastructures. Collaborate across teams to automate processes and enhance software deliv...

Support the management and maintenance of IT systems. Configure OS, resolve issues in infrastructure, and ensure reliable operations for all devices, while coordinating with clients and overseeing pro...

Advance your career by providing top-tier HPC services, ensuring seamless IT operations while solving complex issues and enhancing system performance. Collaborate with diverse teams to deliver impactf...