IT Systems Administrator Jobs in Reston, VA

Lead the charge in enterprise IT operations management for federal programs, ensuring operational excellence and secure infrastructure support across classified environments while coordinating multidi...

Advance your career by providing essential support for IT systems. Utilize your expertise to troubleshoot, maintain, and optimize our client/server/storage/network devices while ensuring efficient com...

Champion the optimization of enterprise virtual infrastructures by managing and enhancing VMware environments. Collaborate on performance tuning and automation initiatives to ensure robust security an...

Champion the management and optimization of RHEL infrastructure, overseeing system administration and security measures, while ensuring high availability and performance for federal client operations...

Lead transformative IT initiatives at an enterprise level, providing strategic direction and technical expertise in healthcare systems and data processing. Collaborate with stakeholders to drive moder...

Join a team that optimizes RHEL infrastructure, ensuring system stability, security, and performance. Your expertise will support critical federal operations through management, troubleshooting, and c...

Grow your career with a vital role in overseeing security measures for specialized information systems. Collaborate with ISSMs to ensure compliance with federal regulations, manage user access, and en...

Empower our mission by providing technical expertise as a System Administrator, ensuring seamless operations and robust troubleshooting in a large enterprise environment using MECM. Collaborate effect...

Empower seamless digital transformation by managing network infrastructure, ensuring performance, security, and availability. Collaborate to innovate user access solutions and automate services for en...

Shape the future of secure networking by ensuring network availability and performance. Utilize your expertise to troubleshoot, maintain, and enhance network infrastructure, delivering solutions for u...

Join a team that's dedicated to enhancing cybersecurity operations and IT infrastructure. You will support mission-critical endpoints, ensuring compliance and optimization while working in a dynamic...

Join a team that's dedicated to maintaining and optimizing SQL Server environments, ensuring security and performance. Collaborate with development teams on tasks like query optimization and provide c...

Join a dynamic team where you'll oversee system engineering projects, integrating software and hardware for complex applications while ensuring compliance with DOD standards and managing the developme...

Support the Army National Guard's IT and cybersecurity operations by administering and maintaining identity services. Ensure compliance and security across both classified and unclassified networks wh...

Shape the future of IT capacity management by ensuring resources meet business demand in a regulated environment. Collaborate with teams to optimize performance, manage risks, and align strategies for...

Unlock innovative solutions as you develop and enhance complex software systems. Collaborate with a dynamic team to solve critical challenges in national security through advanced technology and maint...

Unlock potential by leading cybersecurity compliance, risk management, and continuous monitoring for classified systems. Support law enforcement and national security missions while ensuring adherence...

Advance your career by enhancing software systems, analyzing performance, and collaborating with a dynamic team. Contribute to design and implementation of robust solutions while ensuring alignment wi...

Support mission-critical systems by leveraging Linux expertise and cloud solutions. Collaborate with cross-functional teams to enhance operational performance and security compliance, applying hands-o...

Champion the implementation of security controls and compliance for critical systems, ensuring proper execution of the Assessment and Authorization process. Collaborate effectively across teams to enh...

The Splunk Administrator will manage and maintain a distributed Splunk installation, focusing on event log management, custom app creation, and diagnostics. The role requires expertise in deploying an...

Join a team that's committed to optimizing IT infrastructure and collaboration platforms. Leverage your expertise in Exchange, Office 365, identity management, and automation to streamline operations...

Transform software delivery by enhancing CI/CD pipelines, automating workflows, and collaborating across teams to improve infrastructure reliability and development environments in a dynamic DevOps ro...

Analyze and enhance the cybersecurity posture of DoD systems. Lead risk assessments, evaluate security controls, and drive risk management initiatives across enterprise environments while ensuring com...

Transform DevSecOps within a critical AI initiative by architecting secure software pipelines and driving modernization across multi-classified environments, ensuring operational integrity and continu...