Systems Administrator Jobs in Fairfax, VA

Engineer, implement, and maintain critical IT systems while providing support, troubleshooting, and managing day-to-day operations to optimize performance and reliability in a complex technical enviro...

Engage in the support, management, and optimization of IT systems, ensuring operational efficiency and problem resolution. Collaborate with teams to enhance system infrastructures and maintain seamles...

Join a team that supports U.S. Army technology by maintaining and enhancing system integrity, administering various operating systems, and driving effective solutions for technical challenges with han...

Shape enterprise IT infrastructure for the DOD by administering systems, enhancing security, and ensuring optimal network performance while collaborating in a dynamic team environment to achieve missi...

The Intermediate Network Administrator will support large-scale migration and operations for a high-profile DOD contract, focusing on planning, designing, and evaluating network components. Responsibi...

Optimize mission-critical IT systems while ensuring secure, reliable operations. Collaborate with cross-functional teams to implement change management and address vulnerabilities in a federal environ...

Empower system performance by providing crucial administration support for large-scale Linux infrastructure, ensuring operational excellence through monitoring, problem resolution, and security adhere...

Join our team to implement and manage enterprise network infrastructure, ensuring secure connectivity and optimal performance for a large-scale operation serving over 120,000 users across diverse loca...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

Empower mission success by administering Windows systems in DoD environments. Leverage your expertise to enhance security, ensure compliance, and support critical operations within regulated and class...

Oversee IT support and administration for Windows/Linux environments in an air-gapped setting, ensuring reliable systems and efficient ServiceNow integration, while collaborating with a team to meet c...

Lead the charge in maintaining secure enterprise application hosting environments, enhancing performance, and advising on infrastructure risks while ensuring compliance and operational resiliency acro...

Unlock your potential as a Systems Administrator, optimizing mission-critical systems in a secure environment. Leverage your skills in cloud infrastructure, automation, and Linux to enhance collaborat...

Contribute to critical infrastructure solutions by supervising system operations, optimizing performance, and ensuring quality support. Engage with innovative technologies to enhance user experience a...

Shape the future of network management by designing, implementing, and maintaining secure and high-performing LAN/WAN systems. Collaborate across IT teams to ensure infrastructure reliability and supp...

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...

Join us to leverage your Windows Server expertise in a dynamic role focused on infrastructure management, security compliance, and customer-driven solutions. You'll play a key part in optimizing perfo...

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 enterprise infrastructure by managing Linux systems, storage, and backups while ensuring security compliance. Collaborate cross-functionally to enhance system reliability and drive operational...

Champion a high-performance environment as a Linux System Administrator, ensuring optimal system reliability, security compliance, and continuous improvements across infrastructure operations while co...

Contribute to network performance by managing Cisco Meraki devices and Windows servers. Troubleshoot complex issues, ensure security compliance, and optimize infrastructure. Engage with IT staff to su...

Drive excellence in system administration, providing support for Linux servers and workstations in a high-security RDT&E environment while implementing best practices to enhance performance and securi...

Unlock your potential as a systems administrator and support critical operations through effective Linux management, automation, and security compliance. Join a team that values your expertise while f...

Unlock potential by managing and supporting z/OS systems, ensuring optimal performance and reliability for government clients through expert-level administration and innovative technology solutions...

Transform cutting-edge technologies as an expert Systems Administrator, leading z/OS installation, maintenance, and support for a critical Government client while ensuring optimal system performance a...