Senior Windows Administrator Jobs in Fairfax, VA

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...

Shape the future of IT by ensuring system stability, security, and performance. This role involves managing servers, networks, and critical systems while collaborating with teams to implement innovati...

Empower our team by leveraging your expertise in system administration to ensure robust IT infrastructure stability, security, and performance. Collaborate effectively to tackle technical challenges a...

Join a team that's committed to enhancing IT infrastructure stability and security. Leverage your technical skills to manage systems, networks, and performance, while collaborating on innovative techn...

Optimize IT support services by resolving technical issues for users, managing access and application administration, and ensuring timely problem resolution while maintaining security standards across...

Champion the deployment and management of Linux systems, leveraging expertise in virtualization and automation to enhance operational efficiencies across a dynamic environment while collaborating with...

Drive innovation by leveraging your expertise in Linux systems, virtualization, and automation to enhance operations. Collaborate with a skilled team on an exciting new contract that contributes to ou...

Optimize your career as a Workday Application Administrator, collaborating with cross-functional teams to enhance system performance and implement scalable HR solutions that align with business object...

Transform IT infrastructure by leveraging cloud technologies and systems administration skills. Collaborate within Agile teams to create documentation and optimize system performance, ensuring a robus...

Optimize mission-critical IT systems while ensuring secure, reliable operations. Collaborate with cross-functional teams to implement change management and address vulnerabilities in a federal environ...

Optimize research outcomes by managing Linux systems and data analysis. Support scientific programs through troubleshooting, high-performance computing, and collaborative experiments while ensuring ef...

Join a team that's focused on securing and optimizing Linux-based infrastructures. You'll design, implement, and maintain systems while driving automation and compliance efforts across cross-functiona...

Elevate your career by overseeing systems design and engineering, ensuring compliance with security standards, and optimizing cloud solutions while mentoring fellow engineers to foster a culture of co...

Lead the charge in managing, securing, and automating enterprise-level Linux systems, ensuring compliance and performance in a high-stakes government environment using VMware and Ansible tools...

Optimize server environments by delivering expert support for 2000+ Windows systems in diverse cloud landscapes. Collaborate effectively across departments to enhance operations, streamline processes...

Transform cutting-edge technologies as an expert Systems Administrator, leading z/OS installation, maintenance, and support for a critical Government client while ensuring optimal system performance a...

Join an expert-level systems administrator team to innovate and support cutting-edge z/OS technologies for a key Government client, focusing on installation, maintenance, and troubleshooting while ens...

Drive the integration and management of IT systems to enhance HPC sustainment. Support troubleshooting, maintenance, and problem resolution for various technology infrastructure while fostering commun...

Transform enterprise applications and platforms, ensuring security and modernization while improving system efficiency. Collaborate with experts in various tech domains to automate processes and deliv...

Lead the charge in modernizing and sustaining enterprise applications while collaborating with a diverse team of experts to enhance operational efficiency and user experience across cloud and on-premi...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Optimize the operation and configuration of complex Okta environments, ensuring stability and support while leading a team of system administrators and enhancing end-user technology experiences...

Join us to oversee the enterprise application system supporting DoD housing, managing a team of IT professionals. Your leadership will ensure performance, compliance, and security for over 10,000 user...