IT Infrastructure Administrator Jobs in Arlington, VA

Drive transformative AI experiences by designing and implementing Microsoft 365 Copilot solutions, ensuring governance and security while collaborating with customers to enhance workplace productivity...

Join a team that's enhancing global missions by leveraging your Linux expertise. As an integral systems administrator, you'll ensure robust infrastructure and spearhead improvements to defend against...

Lead and manage a critical contract for U.S. Cyber Command by overseeing intelligence operations, program management, and workforce collaboration, ensuring mission readiness and alignment with strateg...

Transform the landscape of secure identity solutions by engineering authentication and federation services across diverse environments, enabling streamlined access for users and reinforcing security p...

Join our team to shape the future of cybersecurity architecture for mission-critical operations across enterprise environments, ensuring robust defense and compliance mechanisms for dynamic threat lan...

Advance your career by driving technical execution in agile teams, translating requirements into robust solutions. Collaborate to enhance cloud-based applications, ensuring security and reliability th...

Drive cybersecurity excellence as you execute assessments, support compliance, and enhance operational readiness for a vast network of users and endpoints. Collaborate with a dedicated team to uphold...

Drive operational efficiency by analyzing workflows and defining specifications for ARNG's enterprise IT capabilities, ensuring seamless implementation of innovative solutions that meet government nee...

Oversee comprehensive loan and pool accounting processes, ensuring compliance and operational efficiencies while leading a team to deliver accurate financial management and reporting across multiple e...

Optimize dataflow processes by enhancing customer service and implementing modernization efforts. Collaborate with stakeholders to improve data management and support complex engineering initiatives i...

Advance cybersecurity measures by developing analytic rules and conducting investigations to identify insider threats, ensuring robust defenses for ARNG's enterprise environments and enhancing operati...

Join a team that's transforming judiciary operations through innovative technology solutions. Leverage your expertise in application architecture and security to deliver impactful projects that enhanc...

The DHS Information System Security Officer II is responsible for developing and maintaining security policies and procedures for DHS IT systems, overseeing security assessments, and leading incident...

Join a team that's dedicated to ensuring top-notch configuration management for high-performance computing systems. Provide comprehensive support and quality assurance, driving change management proce...

Join a team that supports critical 24/7 security operations to safeguard multi-classified data. Collaborate in incident detection, investigation, and response, enhancing cyber resilience within an int...

Advance cyber defense by executing 24/7 monitoring and incident response, leveraging cutting-edge technologies to protect classified and unclassified networks in a dynamic SOC environment, ensuring th...

Support 24/7 cybersecurity operations through threat detection, incident investigation, and response across classified and unclassified networks. Leverage SIEM platforms and automation tools to enhanc...

Lead the design and delivery of integration solutions across enterprise platforms, focusing on API strategy and data integration while collaborating with cross-functional teams to enhance operational...

Lead the design and implementation of innovative Workday solutions, collaborating with cross-functional teams to enhance ERP applications and execute strategic projects that drive organizational effic...

Take ownership of integrating advanced systems for the FAA’s air traffic management. Collaborate with stakeholders, oversee installations, and ensure compliance to enhance nationwide airport surface o...

Support comprehensive configuration management and quality assurance for HPC Systems. Facilitate effective change management processes, participate in CM plans, and ensure adherence to version control...

Accelerate secure cloud database operations by administering and optimizing performance for mission-critical applications while ensuring compliance in regulated environments...

Take ownership of technical information assurance engineering efforts, guiding security measures for complex information systems. Drive compliance, conduct risk assessments, and ensure the implementat...

Unlock potential by safeguarding critical information systems and shaping a secure network environment. Collaborate with experts to develop security documentation, manage risks, and ensure compliance...

Optimize and develop an internal AI Enablement Platform; lead projects, integrate Microsoft identity systems, and enhance productivity through cutting-edge software tools while collaborating across te...