IT Infrastructure Administrator Jobs in Arlington, VA

Join a team that engineers secure, optimized IT systems for Windows/Linux endpoints, providing essential support and system administration in an air-gapped environment while collaborating on complex S...

Join a team that's committed to optimizing IT infrastructure and collaboration platforms. Leverage your expertise in Exchange, Office 365, identity management, and automation to streamline operations...

Join a team that's dedicated to ensuring the security and functionality of critical IT systems. This role encompasses system administration, user support, and operational sustainment for classified en...

The Cloud DevOps and System Administrator role involves enhancing cloud engineering practices by automating processes in AWS using Infrastructure as Code services. The position focuses on building and...

Transform systems management through expert JIRA administration and collaboration, enhancing workflows and project efficiency for critical defense and intelligence initiatives while engaging with cros...

Lead the charge in maintaining the security and performance of enterprise Windows systems. Collaborate with diverse teams to optimize operations, enhance disaster recovery, and drive continuous improv...

Join a team that's pivotal in supporting IT operations by deploying and managing operating systems and enterprise applications across DoD OIG networks, ensuring security and compliance while enhancing...

Advance financial operations by overseeing accounting, reporting, and compliance processes while leading a team focused on continuous improvement and accurate financial reporting. Drive insights for s...

Lead innovative open-source intelligence efforts to identify and mitigate emerging fraud trends, while collaborating across teams to enhance risk assessments and reporting, ensuring robustness in inve...

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...

Partner with us to enhance our AWS and Linux environments. Maintain and secure cloud configurations, troubleshoot technical issues, and support enterprise applications in this dynamic role focused on...

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...

Lead the charge in managing and optimizing complex network systems, ensuring robust cybersecurity measures, and providing top-tier administrative support to enhance organizational infrastructure and o...

Accelerate technical excellence by designing and maintaining secure endpoint configurations in Windows and macOS environments, ensuring robust support for a federal agency's infrastructure and cyberse...

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

Join a team that's dedicated to enhancing operational capabilities through innovative IT solutions. As a Systems Administrator, you'll support critical systems, ensuring their security and performance...

Champion innovative IT solutions by driving the Advana platform's operational success, ensuring seamless configuration management and compliance for critical Department of Defense missions while enhan...

Empower collaboration and innovation by supporting systems integration tasks, engaging with counterparts, and ensuring seamless dataflows within complex projects. Drive operational excellence in a dyn...

Unlock potential by supporting system integration and design tasks with collaborative teams, validating systems, and ensuring seamless data flows across SIGINT systems and components...

Pioneer the design and implementation of cutting-edge network solutions in a dynamic cloud environment, ensuring seamless operations and optimal performance across multiple data centers during 24/7 co...

Execute end-to-end lifecycle management of virtualization and storage solutions, focusing on VMware and NetApp. Optimize enterprise backup systems and ensure compliance and documentation for IT initia...

Champion vulnerability remediation and system hardening in a diverse enterprise environment. Collaborate with INFOSEC to ensure compliance, drive execution, and maintain security across Windows and Li...

Reimagine your career by designing and optimizing cutting-edge infrastructure that supports national security initiatives. Collaborate with talented professionals to enhance cyber operations for milit...

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...

Engineer innovative enterprise MFT solutions, overseeing secure file transfers, cloud migrations, and AWS infrastructure management while ensuring high availability and performance across diverse envi...