Senior Windows Administrator Jobs in Reston, VA

Contribute to the design, deployment, and maintenance of secure Linux infrastructures. Collaborate with developers and engineers to ensure reliable environments that support mission-critical applicati...

Lead the management and maintenance of critical IT infrastructure, ensuring optimal performance and reliability for defense and intelligence missions. Oversee operations, troubleshoot issues, and enha...

Unlock potential by delivering robust infrastructure and system administration in classified environments. Collaborate with teams to enhance operational security and ensure the reliability of advanced...

Join a team that's advancing enterprise IT solutions. As a Linux Administrator, you'll enhance system performance, automate tasks, and support critical infrastructure, driving impactful results for ou...

Help us ensure the reliability and performance of critical IT systems by managing infrastructure, providing support, and collaborating on modernization efforts to enhance enterprise applications and s...

Transform application security by enhancing cybersecurity measures across the organization. Collaborate with engineering teams to secure software and environments, while driving continuous improvement...

Lead technical initiatives in a complex COTS ecosystem, guiding software development and modernization efforts. Collaborate with cross-functional teams to enhance mission-critical systems while ensuri...

Accelerate automation initiatives by developing end-to-end solutions using Ansible, Python, and RESTful APIs. Collaborate with cross-functional teams to enhance operational efficiency and ensure compl...

Join a team that's driving growth in the U.S. Public Sector Intelligence Community. This role focuses on expanding business within classified environments, requiring a proactive sales professional wit...

Champion IT security compliance as a Sr. System Administrator, leveraging your expertise in Windows and Linux systems. Collaborate with a talented team to enhance security measures and drive impactful...

Transform IT infrastructure by leveraging your expertise in Windows & Linux system administration, ensuring compliance and security in a dynamic environment. Join a team dedicated to excellence and in...

Join a team that's dedicated to advancing system administration excellence. Leverage your expertise in Linux, firewall management, and DevOps to lead a small team in a dynamic environment focused on r...

Optimize system performance and security by managing Linux environments, implementing CI/CD pipelines, and leading a small team in a dynamic, on-site role focused on advanced system administration and...

Shape the future of systems engineering by managing product backlogs, collaborating with stakeholders, and ensuring alignment with mission objectives. Drive technical leadership and deliver high-value...

Support the design, management, and optimization of complex database environments, ensuring performance, reliability, and security for mission-critical applications while collaborating with cross-func...

Champion your expertise in Azure as you lead technical solutions, manage customer relationships, and ensure system health for critical operations within a dynamic intelligence community environment...

Support large-scale Linux systems by managing installations, operations, and security. Engage in troubleshooting, optimizing performance, and ensuring system integrity while providing Tier 1 and Tier...

Elevate your career by providing critical technical support for auxiliary systems in ship design. Collaborate with diverse teams to resolve complex issues and enhance modernization efforts, ensuring o...

Innovate technology solutions for energy efficiency programs by leading business analysis, gathering requirements, and ensuring successful implementation through collaboration with stakeholders and pr...

Optimize financial data management by analyzing and transitioning legacy systems to Momentum Financials, ensuring accurate reporting and compliance with federal standards while collaborating with stak...

Optimize your career by joining a dynamic engineering team focused on system administration and support. Leverage your expertise to tackle complex challenges and enhance operational efficiency in a co...

Unlock your potential by leading the optimization and scaling of mission-critical platforms. Collaborate with cross-functional teams to enhance enterprise architecture and drive technical innovation i...

Join a team that's redefining cloud security by implementing and automating secure infrastructure and CI/CD pipelines. Drive best practices and enhance deployment efficiency while ensuring compliance...

Drive strategic planning and policy support for international military operations, focusing on cyberspace initiatives and engagement strategies. Leverage extensive experience to advise on tactical and...

Transform your career by managing enterprise backup and storage operations. Collaborate with cross-functional teams to ensure system availability, protect critical data, and support recovery requireme...