IT Systems Administrator Jobs in Reston, VA

Empower operational excellence by managing complex IT infrastructures, troubleshooting unique systems issues, implementing applications, and enhancing process efficiencies while mentoring junior team...

Champion the maintenance and optimization of LINUX systems, ensuring robust performance and security through advanced troubleshooting and automation. Collaborate within a dynamic team to enhance syste...

Drive operational excellence in high-stakes IT environments, ensuring uptime and reliability through advanced troubleshooting and system optimization. Collaborate with diverse teams to address technic...

Contribute to high-stakes IT systems by maintaining uptime and performance. Engage in advanced troubleshooting and optimization for Windows and UNIX environments, ensuring mission success through quic...

Manage and optimize RHEL servers while ensuring the security and reliability of the IT infrastructure. Collaborate with teams to implement solutions and automate processes, providing 24/7 support for...

Join a team that's transforming diverse systems into a cohesive solution. Contribute to improving security and user experience while ensuring robust management capabilities in a high-visibility, long...

Build a cohesive system solution by analyzing current architectures and enhancing user experience. Collaborate with stakeholders, implement scalable solutions, and provide direct support during the sy...

Reimagine cybersecurity strategies by safeguarding systems, data, and identity. Take ownership of incident response, vulnerability management, and governance to strengthen security posture and effecti...

Support our mission by administering and enhancing Linux and virtualized systems while ensuring security compliance. Leverage your expertise in systems management to maintain infrastructure performanc...

Advance your career by managing Unix/Linux environments, ensuring system resilience and security. Collaborate with teams to optimize multi-environment systems while safeguarding against modern vulnera...

Oversee critical infrastructure operations and maintain enterprise Linux systems. Drive patch cycles, enforce compliance, and enhance performance monitoring while supporting the U.S. Coast Guard's ope...

Manage and lead teams in Windows Server administration, focusing on Active Directory, automation, and security compliance. Engage in complex infrastructure projects while ensuring seamless operations...

Optimize mission-critical desktop infrastructure through expert support and maintenance of custom Linux-based workstations, enhancing High Performance Computing capabilities across two locations in a...

Innovate and sustain the Linux production environment, overseeing all aspects of Linux server management while collaborating with the team to enhance IT infrastructure and deliver robust solutions in...

Champion cybersecurity by leading our information systems security efforts. Utilize your expertise to develop policies, conduct risk assessments, and collaborate across teams to ensure the security an...

Champion secure enterprise network solutions, ensuring optimal performance and robust security across diverse hardware and software systems. Collaborate with teams to achieve seamless connectivity and...

Manage and optimize system infrastructure, ensuring high reliability and security. Lead architectural initiatives, provide expert support for operational issues, and document solutions. Collaborate wi...

Oversee and enhance Microsoft Exchange environments, ensuring optimal performance and security. Collaborate on server upgrades, troubleshoot issues, and implement strategies for reliable communication...

Collaborate with engineering teams as a Systems Administrator, ensuring optimal performance of IT systems and networks. Manage system administration tasks, coordination, and maintenance to support mis...

Contribute to enterprise operations by administering Windows and Linux systems, ensuring security, availability, and performance while collaborating with senior engineers and supporting various infras...

Join our dynamic team to provide technical support and system administration, ensuring seamless IT operations. Engage with government stakeholders and enhance system reliability while addressing diver...

Transform your career as a systems administrator, overseeing M365 services, data architecture, and robust security operations while collaborating with cross-functional teams to deliver efficient IT so...

Develop and optimize enterprise technology asset management, ensuring compliance and data integrity while collaborating with stakeholders and delivering impactful solutions to enhance user experience...

Drive the optimization and configuration of Cloud-based Atlassian tools, including Jira and Confluence, while enhancing automation with AI chatbot integrations to improve business processes and applic...

Manage IT systems infrastructure, ensuring efficient operations and problem resolution. Support troubleshooting for various devices and systems, enhancing reliability and performance through effective...