IT Infrastructure Administrator Jobs in Arlington, VA

Lead the charge in managing IT systems infrastructure, ensuring seamless operations, troubleshooting, and compliance while providing expert support for network devices and client/server solutions acro...

Advance web development projects by creating secure, scalable applications while collaborating with cross-functional teams to deliver optimal user experiences and ensure adherence to quality standards...

Solve complex infrastructure issues while managing user systems and security. Take ownership of system administration tasks, apply necessary updates, and support deployment of new projects to ensure e...

Support and optimize ServiceNow administration to enhance IT service delivery. Engage with stakeholders to refine workflows and maintain system integrity while ensuring effective reporting in a missio...

Manage global infrastructure operations and systems for diverse applications and networks, ensuring high service levels and overseeing technical teams across multiple locations while supporting enterp...

Innovate and implement robust network solutions by maintaining computing environments, analyzing network requirements, and enhancing performance across various architectures to ensure optimal connecti...

Execute network management strategies to enhance infrastructure performance, ensuring reliability and security. Collaborate cross-functionally and lead junior engineers to optimize networking solution...

Provide full operational management of high-performance computing systems, ensuring optimal performance and security. Collaborate with teams to troubleshoot complex challenges while maintaining a proa...

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...

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...

Lead the charge in optimizing our large-scale Linux systems, ensuring seamless operations, security, and enhancements while troubleshooting issues with a focus on performance and reliability...

Unlock the potential of large-scale Linux systems by managing installations, enhancing security, and streamlining operations. Collaborate within a skilled team to ensure optimal performance and reliab...

Shape innovative cloud solutions by leading AWS GovCloud architecture, ensuring resilient and secure infrastructure to support mission performance and service continuity in a complex government landsc...

Join a dynamic team to monitor, maintain, and support IT and electronic security systems for various clients while providing Tier 1 helpdesk assistance and ensuring compliance with system standards. F...

Unlock potential by engineering secure, high-availability networks that enhance national criminal justice operations. Collaborate across teams to maintain infrastructure, troubleshoot issues, and supp...

Join a dynamic team driving the architectural validation and deployment of cutting-edge private cloud solutions, collaborating with enterprise clients to modernize data centers and integrating innovat...

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...

Drive the global networking strategy and operations, ensuring seamless connectivity and security across diverse environments. Engage in vendor management, financial oversight, and technical leadership...

Join us to lead technical operations for high-profile corporate broadcasts and events, enhancing executive engagement through cutting-edge AV/IT infrastructure management. Drive innovation, resilience...

Manage IT systems support and maintenance, focusing on security and access control. Collaborate with a team to troubleshoot, implement, and enhance electronic systems for federal and commercial client...

Lead the planning and execution of data center upgrades to optimize infrastructure, ensuring effective communication across teams while managing multiple projects to support business needs and drive o...

Lead the development and maintenance of IT infrastructure while managing network operations and supporting strategic goals in a collaborative environment to elevate user experience and system efficien...

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...

Optimize IT systems for national security operations, ensuring reliability and performance through Linux/Windows administration, configuration management, and virtual machine support in a fast-paced e...