Senior Windows Administrator Jobs in Fort Belvoir, VA

Grow your career with a leading role in Windows systems administration, providing critical support for enterprise Microsoft environments. Engage in advanced troubleshooting, security hardening, and ma...

Join a team that's committed to maintaining critical telephony systems in a fast-paced environment, providing top-tier support and expertise in Windows and Linux systems, while ensuring compliance and...

Unlock potential by managing enterprise telephony systems and infrastructure. Oversee Windows/Linux environments, ensuring optimal performance, security, and compliance while collaborating across team...

Empower your career by joining a dedicated team focused on advancing C4ISR systems for military applications. Leverage your expertise in Windows Systems Administration to enhance mission-critical solu...

Grow your career with a vital role in managing high-performance Windows systems. Contribute to system design, implementation, and maintenance while ensuring compliance and risk mitigation across vario...

Oversee and enhance Microsoft Exchange environments, ensuring optimal performance and security. Collaborate on server upgrades, troubleshoot issues, and implement strategies for reliable communication...

Oversee critical IT systems to ensure operational efficiency and security. Collaborate with teams to troubleshoot, manage infrastructure, and provide tiered support for technology resources that bolst...

Lead a high-performing Agile team as a Senior Windows System Administrator, providing operations support, security management, and technical guidance for complex systems across a broad geographic foot...

Drive systems administration across diverse infrastructures, collaborating with Agile teams to maintain operational efficiency. You'll manage security protocols, optimize performance, and support tech...

Grow your expertise by tackling complex infrastructure solutions, optimizing performance, and driving automation initiatives within a hybrid-cloud environment while leading cross-functional teams and...

Engage as a Linux System Administrator, sustaining and evolving mission-critical applications through innovative solutions and automation within a complex environment, with significant latitude to imp...

Engineer scalable solutions by managing Linux server environments, developing Ansible Playbooks for automation, and ensuring system security on hybrid networks while collaborating across teams to enha...

Join a team that's dedicated to supporting a dynamic DoD environment by ensuring optimal system performance, availability, and security in both physical and virtual server setups while complying with...

Optimize IT systems across complex enterprise environments. Lead troubleshooting and maintenance efforts for mission-critical infrastructure, focusing on high-performance computing and advanced storag...

Shape the future of IT systems support by managing Linux environments, optimizing performance, and ensuring system reliability. Partner with teams in mission operations and contribute to infrastructur...

Pioneer the administration of critical Linux and Windows systems, ensuring robust performance and security. Collaborate across environments to troubleshoot and resolve complex issues while managing es...

Join a team that's dedicated to optimizing IT systems across enterprise environments. Support mission-critical operations by troubleshooting, maintaining, and enhancing Linux-based infrastructures to...

Manage and enhance complex IT environments by administering Microsoft 365, AWS, and servers while automating processes to boost compliance, security, and system reliability. Join a collaborative team...

Lead critical initiatives as a Senior System Administrator, supporting vital software development projects. Leverage your expertise in Linux and Kubernetes to enhance mission operations and ensure sys...

Lead a dynamic team in a high-visibility environment, ensuring optimal performance and security of Linux systems. Drive software productization within a collaborative framework and contribute signific...

Champion the maintenance and optimization of RHEL infrastructures while ensuring system security, performance, and reliability for critical operations. Collaborate across teams and lead initiatives th...

Tackle the complexities of RHEL administration, optimizing and securing critical systems. Deliver effective solutions for our federal client's infrastructure, ensuring high performance, stability, and...

Contribute to optimizing and maintaining client computer systems, ensuring seamless performance and security while solving complex technical challenges in a dynamic environment. Join us to enhance use...

Unlock potential by providing expert systems administration and engineering support for mission-critical IT infrastructure. Collaborate with teams to ensure secure, reliable operations while driving m...

Join a team that's committed to excellence in IT administration, supporting mission-critical systems. Leverage your Windows expertise in a dynamic, security-focused environment to enhance infrastructu...