IT Systems Administrator Jobs in Fairfax, VA

Engage in maintaining and configuring computer systems, providing TIER 1/2/3 support for Linux/Windows environments, and ensuring reliable operations of IT systems while coordinating with users and op...

Champion a robust Active Directory infrastructure, ensuring operational stability, security, and performance in a 24x7 environment. Collaborate across teams to support enterprise services while adheri...

Advance your IT career by providing expert technical support and solutions for clients. Engage in diagnosing complex issues, implementing stability and security measures, and enhancing client environm...

Champion the delivery of innovative Linux solutions by configuring virtual environments, optimizing storage systems, and enhancing technical documentation while collaborating with leadership for impac...

Unlock systems effectiveness as you manage, maintain, and enhance the IT infrastructure. You'll coordinate support and ensure the reliability of systems, supporting critical functions in a fast-paced...

Advance your career by managing Linux systems in a mission-critical environment. Leverage your expertise in system administration, security compliance, and virtualization to support high-visibility pr...

Lead the charge in optimizing and securing Linux systems for mission-critical environments, leveraging your extensive expertise in administration, virtualization, automation, and compliance to ensure...

Analyze and support enterprise network operations within a DoD environment. Utilize advanced monitoring tools to enhance network performance and compliance, maintaining critical infrastructure and ens...

Drive technical leadership by overseeing Windows systems administration for mission-critical environments, ensuring operational excellence while providing Tier 2 and 3 support and managing a skilled t...

Join a team that enhances system performance by ensuring the reliability and security of RHEL Linux systems while automating processes with Ansible, contributing to operational efficiency and infrastr...

Join a team that's dedicated to maintaining and optimizing RHEL Linux systems. As a specialist, you'll automate processes, ensure stability and security, and enhance operational efficiency while colla...

Launch your career as a System Administrator, managing and securing Windows platforms, automating operations, and ensuring compliance while supporting a diverse range of IT systems and collaborating o...

Shape your career by joining a dynamic team dedicated to managing Linux systems and enhancing cybersecurity in DoD environments. Utilize your expertise in AWS, F5, and Palo Alto technologies while ens...

Drive the management and support of Federal Physical Security systems, ensuring high performance and availability. Lead technical initiatives while liaising with clients and maintaining top-notch serv...

Join our dynamic team as a System Administrator, where you will support complex Federal Physical Security Systems. Collaborate with technical and non-technical clients to ensure high-standard service...

Optimize IT systems through expert Linux and VMware administration, ensuring security compliance and operational efficiency while collaborating with teams to implement advanced technological solutions...

Solve complex computing challenges by managing large-scale HPC and storage systems, ensuring optimal performance, security, and user support in a collaborative, high-performing environment...

Join a dynamic team as a cloud engineer, driving enterprise infrastructure operations with Linux and AWS. Collaborate across teams to enhance services and ensure security in a fast-paced, innovative e...

Drive operational excellence as a Tier 3 System Administrator Lead, managing enterprise server ecosystems, optimizing performance and security in on-prem, virtual, and cloud environments while providi...

Optimize operations by leading IT systems management across multiple locations. Collaborate with teams to provide technical support, ensure security compliance, and enhance functionality in a high-sta...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Join a dedicated team as a Linux Administrator, where you'll design, monitor, and optimize network solutions to ensure maximum uptime and security. Embrace flexible hours and contribute to impactful p...

Transform enterprise BI platforms through optimization, security, and cloud integration. This role demands operational excellence in MicroStrategy administration, ensuring high-performance systems and...

Unlock your potential by managing cloud computing security and implementing best practices under the NIST RMF standards. Collaborate with cross-functional teams to enhance Oracle Cloud Infrastructure...

Transform your career by enhancing system security and compliance, overseeing operations, and driving continuous improvement initiatives in a dynamic environment—ideal for experienced security profess...