Senior Windows Administrator Jobs in Quantico, VA

Optimize progress at managing Linux-based servers in classified and unclassified environments. Collaborate to implement solutions, automate processes, and enhance system performance with a focus on cy...

Optimize virtual desktop environments through reliable administration and support. Collaborate with engineering to enhance user experience and execute upgrades, while providing top-notch service acros...

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Join our team to implement and manage enterprise network infrastructure, ensuring secure connectivity and optimal performance for a large-scale operation serving over 120,000 users across diverse loca...

Transform the Linux server landscape by managing installations, configurations, and optimizations. Drive automation and security compliance while supporting diverse projects in a collaborative environ...

Lead the charge in optimizing enterprise backup and recovery solutions. Oversee design and transition from Commvault to Veeam in a secure, large-scale environment, ensuring compliance and driving perf...

Lead the charge in maintaining secure enterprise application hosting environments, enhancing performance, and advising on infrastructure risks while ensuring compliance and operational resiliency acro...

Shape the future of IT support by managing critical systems for 600+ users. Engage in troubleshooting, system administration, and documentation while ensuring seamless operations in a dynamic environm...

Launch your career with a dynamic role managing IT infrastructure, supporting end-user technology, and enhancing system efficiency through innovative solutions and best practices in a collaborative en...

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...

Join a skilled infrastructure team as a Senior System Administrator, leveraging your Windows expertise to design, maintain, and optimize cutting-edge systems and networks in complex environments, whil...

Transform the landscape of Linux system management in a dynamic environment, ensuring optimal performance through provisioning, security, and hardening of RedHat systems while collaborating within mis...

Unlock your potential as you support critical communication systems in a dynamic 24/7 environment. Provide Tier 2 assistance and manage team operations while ensuring seamless IT performance across a...

Optimize our SharePoint environments by managing, troubleshooting, and upgrading systems while collaborating with a diverse team to ensure seamless operations and effective solutions in document manag...

Join us to leverage your Windows Server expertise in a dynamic role focused on infrastructure management, security compliance, and customer-driven solutions. You'll play a key part in optimizing perfo...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

Join a team that's modernizing critical infrastructure through advanced Linux engineering. You'll lead the design, implementation, and security of high-availability Linux systems, optimizing performan...

Join a team that's critical to maintaining system reliability and security, optimizing enterprise application servers, and ensuring compliance with cybersecurity directives for a mission-driven progra...

Champion operational excellence by managing enterprise systems, ensuring compliance with cybersecurity standards, and supporting critical IT infrastructure for mission success across diverse environme...

Champion efficient systems management for a critical Air Force unit, overseeing installations, maintenance, and troubleshooting of both physical and virtual infrastructures while ensuring compliance w...

Transform your career by overseeing system administration and security compliance for critical applications, ensuring operational efficiency while mitigating vulnerabilities in a dynamic Navy environm...

Shape the future of enterprise IT support by overseeing seamless user assistance across classified environments. Lead operational strategies to enhance mission-ready capabilities and drive process imp...

Explore your potential as a senior operational leader in user support, enhancing mission-critical services across diverse security environments while managing a dynamic team dedicated to excellence an...

Drive operational excellence by overseeing multi-tier user support, optimizing performance in classified environments, and enhancing mission readiness through strategic leadership and innovative servi...

Optimize cloud operations as a Senior DevOps Engineer by enhancing infrastructure and automating software delivery workflows. Collaborate with development teams to ensure security and efficiency in a...