Senior Windows Administrator Jobs in Herndon, VA

Join our dynamic infrastructure team to design and enhance core systems that empower innovation, ensuring seamless, secure, and efficient operations across multi-cloud environments while fostering a c...

Join a dynamic team as you manage Windows systems and ensure optimal performance in secure IT environments, blending technical skill and collaboration to support mission-focused operations and enhance...

Lead the charge in driving enterprise modernization by providing robust systems engineering and architecture support to analyze requirements, evaluate solutions, and ensure seamless integration across...

Drive innovative security solutions by collaborating with cross-functional teams to address complex challenges, while guiding infrastructure investment decisions and leading technology adoption within...

Join us to provide expert Linux systems administration, technical support, and solutions development. Collaborate in a dynamic environment, enhance performance, and ensure security for critical IT inf...

Join our team as a Senior Dev/Systems Engineer, where you'll design and maintain scalable infrastructures, optimize performance, and bridge development and operations, ensuring the seamless delivery o...

Partner with us to enhance mission-critical IT systems for federal law enforcement, ensuring optimal performance and operational efficiency while supporting cutting-edge technology and delivering supe...

Elevate your career by providing expert technical support to systems, tackling remote desktop challenges, and coaching peers. This role demands strong troubleshooting skills in a dynamic team environm...

Drive Azure solutions as a Microsoft Enclave Administrator, collaborating with technical teams to ensure robust cloud infrastructure and application support for intelligence community clients, while l...

Advance pharmacy operations by optimizing applications and implementing AI technologies. Collaborate across teams to ensure system reliability, regulatory compliance, and enhanced user experiences whi...

Shape the future of data management by leveraging your industry expertise to develop innovative architectures for complex IT systems while guiding transition strategies from legacy frameworks to moder...

Unlock potential by developing and enhancing complex software systems to meet documented requirements, ensuring adherence to design standards while collaborating with users and system engineers to del...

Shape IT infrastructure by managing and maintaining systems, ensuring optimal performance, and resolving technical issues to support daily operations and enhance system reliability across various plat...

Champion engineering leadership by modernizing systems and aligning technical standards within diverse teams, ensuring compliance with security protocols and driving continuous delivery for critical a...

Elevate operational success at a national level by leading a large IT support team, ensuring compliance with federal standards and delivering exceptional service to multiple clients while fostering a...

Transform and streamline organizational processes by managing SharePoint environments, enhancing user experiences, and leveraging Microsoft 365 integrations to foster collaboration and efficiency in a...

Elevate your career by designing and managing cutting-edge virtualization and GPU infrastructures. Collaborate with cross-functional teams to ensure robust operation of mission-critical systems and de...

Engineer your career as a Jira SaaS Administrator by managing and optimizing our Atlassian Cloud environment. Collaborate with DevSecOps teams to enhance workflows, ensure platform security, and deliv...

Manage IT systems infrastructure, troubleshoot, and optimize support processes. Provide Tier 1 and Tier 2 operations, ensuring efficient problem resolution and service quality for end-users and client...

Shape the future of IT infrastructure by managing Exchange SE and Office 365 environments, enhancing identity management and automation, while collaborating cross-functionally to optimize organization...

Unlock potential by managing and enhancing our IT infrastructure, administering Exchange and Office 365, and overseeing identity management. Collaborate with teams to ensure efficient operations, deli...

Drive the architectural vision and governance for a critical AI initiative, ensuring system integrity and seamless integration across diverse environments in a fast-paced Agile setting, while mentorin...

Advance your career by supporting Deltek Costpoint and related applications. Engage in troubleshooting, user management, and project leadership to enhance enterprise performance in the government cont...

Empower executives by providing essential administrative support. Manage complex calendars, enhance communication, and liaise with internal and external stakeholders to ensure smooth operations in a d...

Drive systems engineering support for mission-critical projects, ensuring effective coordination, documentation, and communication among technical teams and stakeholders to facilitate program success...