Senior Windows Administrator Jobs in Reston, VA

Manage and optimize IT infrastructure, ensuring high availability and performance. Collaborate with teams to troubleshoot issues, automate tasks, and maintain security. Provide Tier 1 and Tier 2 suppo...

Join a dynamic team as you provision, configure, and maintain high-availability systems. Drive automation and enhance security while mentoring peers and optimizing operations across enterprise environ...

Join a dynamic team as a Systems Administrator, driving automation and optimizing system performance while ensuring secure infrastructure management and providing technical mentorship across enterpris...

Unlock potential by managing and securing cloud and hybrid environments, bridging operations and development teams. Drive automation and scalability while ensuring robust security measures and efficie...

Join a dynamic team to optimize enterprise Linux systems, ensuring high availability and security across diverse environments. Leverage your expertise in cloud infrastructure and automation to enhance...

Join a team that's dedicated to maintaining and enhancing mission-critical Linux and Windows systems. Collaborate with engineers and government personnel to ensure optimal performance across multiple...

Join a dynamic team to manage and enhance mission-critical Linux and Windows systems. Collaborate with engineers and government personnel to ensure system integrity, compliance, and operational excell...

Unlock your potential as a Senior DevSecOps Engineer, driving operational excellence in Linux and DB2 administration. Collaborate across teams to enhance application performance and security in a full...

Empower mission-critical enterprise applications by providing essential IT support, ensuring system reliability, security, and performance. Collaborate with teams to enhance infrastructure and drive m...

Empower our mission-critical IT systems by providing essential support, troubleshooting, and maintenance for enterprise applications. Join a dynamic team dedicated to enhancing operational efficiency...

Join a team that's dedicated to optimizing IT infrastructure and support. As a Systems Administrator, you'll enhance client environments through advanced technical solutions, mentoring, and exceptiona...

Advance your career as a Systems Administrator, providing expert support across desktop, server, and cloud environments. Collaborate with teams to resolve complex issues, mentor junior staff, and enha...

Unlock potential by leading end-to-end systems engineering, focusing on identity, infrastructure, and security. Collaborate across teams to enhance automation and compliance, ensuring a robust and eff...

Drive the design and management of secure, scalable cloud and hybrid infrastructures, ensuring seamless integration between operations and development teams while optimizing performance and security a...

Pioneer robust infrastructure solutions across cloud and hybrid environments, ensuring seamless integration between operations and development teams. Drive system design, security, and automation to e...

Lead the charge in optimizing high-performance computing systems, ensuring seamless integration and troubleshooting across diverse Linux environments while collaborating with cross-functional teams to...

Join a team that's shaping the future of cybersecurity by designing and maintaining robust Splunk data pipelines. Collaborate with cross-functional teams to enhance operational processes and ensure da...

Join a team that's dedicated to optimizing Solaris and Linux systems in a federal environment. Leverage your expertise in storage, security, and patch management to ensure high availability and compli...

Transform endpoint management by driving automation and innovation in a dynamic team. Collaborate on Windows, Intune, and cloud technologies to enhance security and efficiency, ensuring seamless deplo...

Join a team that's dedicated to enhancing cybersecurity for critical intelligence systems. You'll manage updates, troubleshoot complex issues, and ensure compliance, all while collaborating with exper...

Manage and optimize the SharePoint environment, ensuring seamless functionality and user accessibility while maintaining security and performance aligned with organizational goals...

Lead the charge in developing innovative web solutions using SharePoint and advanced technologies. Collaborate with teams to enhance user experience and ensure compliance with government policies whil...

Manage and optimize IT systems, ensuring reliability and performance. Provide support for troubleshooting, maintenance, and compliance, while coordinating with security teams to enhance system operati...

Collaborate with us to deliver advanced Unix systems administration support, ensuring optimal performance and security for critical National Military Command Center systems. Join our dynamic team to i...

Elevate your career by supporting IT systems management and operations. Engage in problem resolution and performance enhancements across various platforms, ensuring reliability and efficiency within o...