Windows System Administrator Jobs in Warrenton, VA

Transform cybersecurity for vital biomedical research by leading the design, implementation, and maintenance of security controls. Collaborate with diverse teams to ensure compliance with federal stan...

Accelerate progress at designing AWS Resiliency and Recovery solutions. Collaborate with technical leadership and stakeholders to enhance system architecture, ensure continuity during disruptions, and...

Lead and grow a top-tier Security Engineering team, defining application security strategy, leveraging AI for process improvements, and representing the company as a trusted security thought leader. E...

Join a dynamic team shaping future HR technology solutions! Lead the design and architecture of Workday and related platforms, driving AI innovations and strategic integration across enterprise system...

Accelerate our cybersecurity efforts in the air-gapped cloud environment, leading a dedicated team responsible for threat management, incident response, and developing best practices to ensure robust...

Shape the future of cybersecurity operations by supporting critical monitoring frameworks and analytics for enterprise security. Collaborate with teams to implement data pipelines and ensure reliable...

Join a team that empowers innovation by designing and managing Windows and Linux systems for cutting-edge research. Collaborate to enhance infrastructure and deliver high-performance solutions that me...

Join a team that's at the forefront of AI tool integration, optimizing intelligence workflows and enhancing operational efficiency through innovative solutions and hands-on collaboration to maximize m...

Join a dynamic team to lead project management for critical IT hardware refresh initiatives spanning CONUS and OCONUS locations, ensuring alignment with strategic goals and operational excellence acro...

Champion federal cybersecurity by mastering SIEM operations, log management and threat detection. Join a dynamic team dedicated to enhancing national security through vigilant monitoring and incident...

Lead the design and support of enterprise-level voice solutions, enhancing CUCM infrastructures. Collaborate cross-functionally, resolve complex issues, and drive project success within a Tier 3 engin...

Drive the development of critical software solutions, collaborating with a skilled team to deliver innovative applications for emergency management. This role emphasizes Agile practices and customer-f...

Join a collaborative team to design and implement software solutions for mission-critical applications, enhancing user experiences while ensuring high performance and security standards in a fast-pace...

Elevate enterprise security by implementing controls, responding to threats, and ensuring compliance. Drive proactive security measures across cloud and on-premises environments. Collaborate to safegu...

Take ownership of IT documentation and budgeting for 45-55 client accounts, providing strategic guidance and fostering strong relationships while proactively addressing their technology needs and enha...

Empower mission-critical environments by delivering Elastic solutions, guiding architecture and strategy while fostering strong customer relationships and driving maximum product value through tailore...

Drive excellence by leading the enhancement of network infrastructure through effective oversight and support for hardware and software systems, ensuring seamless operations and optimum performance of...

Lead the charge in fostering partner engagement and subcontractor coordination to ensure effective workforce management and risk mitigation across projects. Collaborate cross-functionally to maintain...

Join a team that's dedicated to advancing Vulnerability Management through strategy and hands-on engineering. Drive operational excellence and influence security outcomes across a complex technology e...

Provide expert Linux system administration support to enhance global consular operations. Collaborate with team members to ensure optimal network performance, troubleshoot complex issues, and implemen...

Join a dynamic team as a Lead Engineer, overseeing mission-critical infrastructure with 24/7 operations. Engage in hands-on maintenance, troubleshooting, and compliance, while ensuring optimal perform...

Transform the future of technology as a Platform Engineer, driving innovation within a dynamic team. Leverage your expertise in system architecture and cloud technologies to enhance platform capabilit...

Join a team that's shaping innovative software solutions across diverse technologies. Collaborate on cloud-native full-stack development, delivering impactful applications while fostering a culture of...

Develop innovative solutions while assessing and validating cyber systems. Join a team dedicated to enhancing IT infrastructure and collaborating on strategic plans, ensuring secure and effective cybe...

Join us to deliver innovative cloud solutions by designing, building, and maintaining cloud-native applications. Collaborate in Agile teams to enhance reliability, scalability, and operational excelle...