Senior Windows Administrator Jobs

Lead the design and management of complex Microsoft server environments, ensuring system integrity, security, and high availability while collaborating with IT partners and mentoring junior staff. Dri...

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...

Manage and support Windows Server environments, ensuring system performance and security while implementing hardware and software solutions for diverse clients and mission-critical services...

Manage mission-critical IT systems in a secure environment. Leverage expertise in cloud technologies and security compliance while ensuring operational readiness for defense contracting projects...

Join a team that's dedicated to ensuring Windows server readiness through precise testing and validation of patch management processes. Focus on meticulous documentation and troubleshooting within a c...

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...

Drive enterprise infrastructure reliability and security as a senior technical leader. Oversee Microsoft Azure, VMware, and hybrid cloud operations while enhancing disaster recovery and business conti...

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...

Accelerate mission success as a Senior Systems Administrator/DevOps Engineer, enhancing secure Linux systems, supporting Kubernetes platforms, and collaborating closely with development teams to ensur...

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

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...

Transform IT infrastructures by providing expert administration of Linux systems. You will support federal projects, ensuring compliance, security, and optimal performance of servers and workstations...

Join your expertise to enhance Linux system security by mitigating vulnerabilities, implementing compliance standards, and automating processes, all while performing essential system administration du...

Lead the charge in building a robust in-house IT function, overseeing infrastructure, security, and service delivery while transitioning from outsourced management. Manage a growing team to ensure opt...

Lead the establishment of an in-house IT function, overseeing systems, security, and support. Manage endpoint and identity solutions while driving improvements in technology practices, documentation...

Help us enhance our corporate IT environment by owning, scaling, and securing systems. Work with identity management, SaaS platforms, device security, and automation in a dynamic, fast-paced global se...

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...

Drive the design, deployment, and maintenance of Linux workstations and servers, ensuring robust configuration management and troubleshooting support for complex technical issues while collaborating a...

Shape the future of technology as a key systems administrator supporting complex operations. Provide expert systems administration, security management, and infrastructure support across diverse envir...

Champion innovation by providing essential IT support and maintenance for critical systems, ensuring seamless operations and security across infrastructure, cloud services, and applications. Drive bus...

Engage in the management and optimization of Windows Server environments, ensuring robust performance, security, and reliability in on-premises, cloud, and hybrid infrastructures while supporting vita...

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...

Grow your career with a hands-on role optimizing and securing enterprise Red Hat Linux systems. You will lead complex projects, automate processes, and tackle intricate technical challenges while ensu...