Senior Windows Administrator Jobs in Reston, VA

Champion customer relationships post-sale, ensuring maximum value, retention and growth for Enterprise accounts through effective onboarding, insights-driven account management, and collaboration with...

Join a team that's dedicated to delivering cutting-edge information security solutions. Lead technical teams in managing Linux environments, conducting security assessments, and ensuring mission perfo...

Transform security operations by managing the Risk Management Framework lifecycle, ensuring compliance with federal standards, and collaborating with security teams to safeguard systems and data integ...

Join a team that's dedicated to strengthening security compliance and risk management. Lead the implementation of NIST 800-53 standards while managing continuous monitoring and enhancing the overall s...

Contribute to innovative IT solutions as a Linux Systems Administrator, supporting secure classified environments. Engage in system architecture and advanced administration while enhancing collaborati...

Drive innovation by delivering Elastic solutions, guiding architecture design, and optimizing capacity in critical environments, while mentoring teams and fostering strong customer relationships for m...

Help us enhance enterprise systems by managing applications and ensuring performance, security, and functionality. Your expertise will drive solutions to complex technical issues while mentoring junio...

Join a team that's at the forefront of financial solutions, providing hands-on expertise in Workday Financials. Support strategic initiatives while collaborating with cross-functional stakeholders to...

Transform your career by leading complex system implementations, troubleshooting, and administration. Elevate operational efficiency through hardware/software management, technical support, and perfor...

Discover a fulfilling opportunity to design and develop full stack applications that optimize platform capacity, enabling data-driven decisions while collaborating with cross-functional teams for impa...

Take ownership of Linux systems management while supporting a team of cybersecurity experts. You'll oversee system operations, compliance patches, and assist users, ensuring optimal performance and re...

Unlock your potential in systems administration, supporting a dynamic cybersecurity team through effective management of Linux and Windows systems while ensuring compliance and optimal performance for...

Transform change management initiatives leading enterprise-scale transitions by developing AI-informed strategies and fostering client relationships to maximize adoption and value realization from tec...

Manage SQL databases in a secure production environment. Lead a team to ensure optimal performance and high availability of databases, while mentoring junior staff and implementing best security pract...

Lead the charge in shaping architecture and tooling for cutting-edge .NET applications, guiding a team to achieve mission outcomes while ensuring scalable solutions and high-quality delivery through m...

Lead the charge in shaping scalable .NET solutions while mentoring developers and ensuring delivery quality on high-visibility federal projects. Drive architectural decisions and guide technologies to...

Unlock your potential as you manage and support complex IT systems. Collaborate with users to ensure seamless operations, troubleshoot issues, and maintain system security while enhancing overall infr...

Empower cutting-edge systems engineering in hybrid environments, driving architecture, implementation, and endpoint health monitoring. Collaborate with analysts and stakeholders to enhance security me...

Unlock potential by leading sophisticated systems engineering initiatives across hybrid environments. Drive architecture and integrate cutting-edge solutions while mentoring talent and advising stakeh...

Elevate your career by leading crucial cybersecurity processes and analysis. Drive collaboration between business and IT to enhance security standards while mentoring junior analysts in a dynamic hybr...

Unlock potential by becoming a key player in managing and optimizing mission-critical database systems. Collaborate with teams to enhance performance, security, and efficiency while implementing innov...

Accelerate progress at the forefront of IT by developing and managing advanced systems solutions, enhancing performance, and training users to ensure seamless operations and compliance in a dynamic en...

Drive innovation by developing and enhancing software solutions for mission-critical federal law enforcement operations, ensuring optimal IT system performance and user support within a dynamic, techn...

Optimize network operations by monitoring connections, resolving user access issues, and ensuring infrastructure security. Engage in proactive risk management and support a diverse user base with high...

Manage and enhance enterprise systems infrastructure while providing support for Windows and Linux environments, ensuring efficient operations and compliance for a mission-driven organization...