IT Systems Administrator Jobs in Reston, VA

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...

Lead the charge in designing and supporting critical systems, ensuring reliability and compliance while mentoring junior engineers. Your expertise will drive efficient infrastructure solutions with a...

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...

Elevate enterprise geospatial systems by optimizing infrastructure, supporting applications, and implementing automation. Collaborate to enhance performance and promote continuous improvement for miss...

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...

Transform enterprise DevSecOps initiatives by architecting and optimizing software pipelines across secure environments, enhancing compliance and operational efficiency to support mission-critical ana...

Shape the future of DevSecOps with your expertise by driving modernization and implementing security automation for critical defense initiatives. Lead a team and collaborate to enhance operational res...

Drive the delivery of modern workplace solutions by managing Microsoft 365 services, executing migrations, and optimizing configurations for seamless user experiences. Collaborate cross-functionally t...

Lead the charge in enhancing security frameworks by performing in-depth assessments, designing robust architectures, and ensuring compliance across multi-enclave environments to protect vital informat...

Take ownership of complex data analysis in a fast-paced environment, driving the development of reporting solutions for healthcare initiatives while collaborating across teams to ensure compliance and...

Lead the charge in Remedy database administration, ensuring the performance, security, and reliability of services with a focus on optimal database integrity and management within complex environments...