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...

Champion the operation and security of complex computer systems while enhancing user experience and system efficiency in a dynamic lab environment.

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...

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...

Transform complex Unix and Kubernetes environments with a focus on AIX/RHEL. Lead the design, migration, and management of services on AWS while collaborating with developers to optimize cloud and dat...

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...

Shape the future of IT infrastructure by managing and optimizing Windows Server environments, ensuring seamless network connectivity, and enhancing user experience through proactive troubleshooting an...

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...

Unlock potential by leading a security team supporting USG Defense programs. Oversee virtualization management, Windows systems, and security protocols while ensuring compliance with government regula...

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...

Join a team that's redefining IT infrastructure management while providing technical leadership, operational excellence, and mentorship in a hybrid environment. Take charge of complex issues, drive im...

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...