Senior Windows Administrator Jobs in Herndon, VA

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...

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...

Join us in optimizing systems and enhancing security. Leverage your Linux expertise and AWS skills to monitor performance, run security scans, and manage virtual resources effectively while collaborat...

Support system uptime and security by managing Linux environments, conducting performance monitoring, and collaborating on issue resolution with various tools and teams to enhance operational efficien...

Advance IT systems management and support through effective troubleshooting, maintenance, and implementation of complex infrastructure, ensuring optimal performance across all devices and networks whi...

Elevate security measures by leading the design and governance of Workday frameworks across HCM, Finance, and Payroll, ensuring compliance and best practices while engaging with stakeholders in a coll...

Join a team that's shaping the future of software by leading innovative development with cutting-edge technologies. Drive excellence in code quality, system architecture, and mentor junior developers...

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...

Unlock your potential as a System Administrator, guiding all phases of the system engineering lifecycle, producing vital technical documentation, and collaborating closely with a mission-driven team t...

Shape the future of IT operations by ensuring optimal system performance, implementing upgrades, and maintaining robust security protocols. Collaborate effectively with teams to deliver high-quality s...

Manage IT systems operations, ensuring optimal performance and security through administration, monitoring, and compliance with policies and standards, while delivering quality support and solutions f...

Partner with us to enhance Linux systems administration for critical applications, focusing on system sustainment and evolution through innovative scripting and problem-solving in a collaborative envi...

Lead infrastructure operations as a Linux System Administrator, optimizing system performance, troubleshooting issues, and supporting IT services for national defense missions with a focus on reliabil...

Transform infrastructure performance by optimizing Linux systems and providing reliable support for a diverse range of IT operations, essential for supporting national defense missions and enterprise...

Support and enhance the Deltek Enterprise suite, focusing on Costpoint and T&E, while providing user access management and troubleshooting. Collaborate on IT projects and maintain relationships with t...

Unlock potential by serving as a key expert in on-premises identity and access management with Microsoft Identity Manager (MIM), ensuring data integrity and managing identity lifecycles across dispara...

Join a team that defines solutions and drives delivery across complex systems. This senior-level role bridges business and technology, ensuring scalable solutions across various projects and stakehold...

Lead the enhancement and security of Linux servers in a dynamic team environment. Ensure robust system performance and contribute to infrastructure migration while maintaining compliance within DoD re...

Unlock high-performance computing capabilities by managing, troubleshooting, and maintaining IT systems across multiple locations while ensuring compliance with government standards and delivering exc...

Engage as a System Administrator overseeing IT infrastructure and support services, ensuring optimal operations across multiple locations. Collaborate with cross-functional teams to enhance system per...

Unlock your potential as a Senior Database Administrator, shaping data architecture and ensuring system integrity through innovative solutions and strategic collaboration. Drive performance and securi...

Manage enterprise printer security initiatives, ensuring compliance with federal standards. Collaborate with teams to mitigate risks, implement security baselines, and support governance activities ac...

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...