Senior Windows Administrator Jobs in Chantilly, VA

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 a team that's committed to optimizing IT infrastructure and collaboration platforms. Leverage your expertise in Exchange, Office 365, identity management, and automation to streamline operations...

Take ownership of network services administration, ensuring robust governance, scalability, and security compliance across operational environments while advising leadership on modernization strategie...

Optimize IT systems through expert Linux and VMware administration, ensuring security compliance and operational efficiency while collaborating with teams to implement advanced technological solutions...

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...

Take ownership of the administration and support of global physical security systems, including CCTV, access control, and related infrastructure. Collaborate with cross-functional teams to ensure syst...

Lead the design and delivery of high-quality, scalable software solutions by mentoring developers, driving code quality, and optimizing performance across modern frontend and backend frameworks...

Shape the future of cloud systems by supporting RedHat Linux virtual machines, implementing security updates, and collaborating with teams to enhance system performance. Play a pivotal role in ensurin...

Join a team that's dedicated to optimizing critical technology infrastructure, providing technical support, and automating solutions to enhance performance while minimizing operational disruptions...

Lead and inspire a high-performing team focused on securing cloud infrastructure and modern application delivery. Drive enhancements in security architecture while advancing team skills in a collabora...

Join a team that supports critical cyber operations and enterprise IT for the Army National Guard. Leverage your skills to maintain system performance, ensure compliance, and contribute to mission rea...

Join us to optimize Linux system administration for critical applications, enhancing deployment, monitoring, and maintenance while contributing innovative solutions in a dynamic environment...

Lead the charge in Linux system administration for mission-critical applications, focusing on configuration, monitoring, and enhancement of diverse systems to ensure operational excellence and support...

Join a team that enhances system performance by ensuring the reliability and security of RHEL Linux systems while automating processes with Ansible, contributing to operational efficiency and infrastr...

Join a team that's dedicated to maintaining and optimizing RHEL Linux systems. As a specialist, you'll automate processes, ensure stability and security, and enhance operational efficiency while colla...

Champion innovative solutions by collaborating with business and technical teams. Drive requirement analysis across diverse digital initiatives, ensuring quality delivery. Thrive in dynamic environmen...

Transform user support operations across multi-tiered environments, enhancing service desk performance for critical military initiatives. Lead initiatives in AI-driven automation and ensure mission su...

Lead user support operations for a crucial AI initiative, ensuring high-availability service desk performance across various security levels while driving modernization efforts and enhancing operation...

Lead user support operations within a high-stakes environment, directing multi-tier service desk teams across secure government systems. Ensure seamless service delivery, drive performance metrics, an...

Lead the charge in designing and implementing innovative systems solutions that meet complex mission requirements while navigating technical, cost, and performance challenges across diverse organizati...

Engage with teams to consolidate systems into a cohesive solution that enhances manageability and security. Contribute to a high-visibility project focused on user experience while building strong rel...

Partner with us to consolidate a diverse set of systems into a cohesive solution that enhances manageability, security, and user experience, while contributing to a high-visibility and long-term archi...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...