IT Infrastructure Administrator Jobs in Arlington, VA

Join a team that's committed to supporting IT infrastructure and security initiatives, ensuring compliance, and enhancing cybersecurity posture while providing daily operational leadership with a clea...

Elevate your career by supporting worldwide enterprise-scale bulk data transport services critical to national security. Engage in hands-on Linux administration and operational support while driving h...

Manage global enterprise-scale transport services, ensuring high availability and reliability through expertise in Linux systems and hands-on troubleshooting. Join a dedicated team contributing to vit...

Manage network configurations and security measures for critical assets while ensuring optimal performance and efficiency. Collaborate with teams to implement upgrades and maintain comprehensive docum...

Oversee the administration of cloud-based IT systems, driving service quality and efficiency while managing escalated support and strategic IT projects for a dynamic organization poised for growth...

Oversee and manage critical systems across hybrid and AWS environments, ensuring system availability, compliance, and security. Collaborate with teams to support modernization initiatives and operatio...

Oversee critical IT systems to ensure operational efficiency and security. Collaborate with teams to troubleshoot, manage infrastructure, and provide tiered support for technology resources that bolst...

Provide enterprise-level system administration and technical support, ensuring optimal performance, security, and compliance of Microsoft Azure, Active Directory, and Microsoft 365 environments while...

Join a team that's enhancing security visibility through RHEL system administration and engineering. You will manage system provisioning, patching, compliance, and collaborate closely with SOC enginee...

Grow your career with a vital role in managing high-performance Windows systems. Contribute to system design, implementation, and maintenance while ensuring compliance and risk mitigation across vario...

Unlock operational efficiency by managing an enterprise Citrix environment. Deliver optimal performance and security solutions for geographically diverse users through expert administration and seamle...

Shape the future of cloud solutions by providing technical leadership in developing and maintaining a robust Cloud-Native Service architecture, ensuring mission-critical applications remain operationa...

Support our dynamic team by managing complex systems and networks across multiple domains. Ensure operational continuity through effective system administration and collaborate to resolve issues effic...

Manage and enhance enterprise IT systems, focusing on Azure, Active Directory, and Microsoft 365. Your expertise will ensure robust security, efficient automation, and effective support across diverse...

Take ownership of IT systems' implementation, operation, and maintenance. Support Tier 1 and Tier 2 problem resolution while managing UNIX and Windows environments to ensure system reliability and per...

Explore your career as a System Administrator II, where you'll enhance IT systems, troubleshoot issues, and ensure smooth operations across various platforms. Join us to make a significant impact on o...

Manage a robust Citrix infrastructure, ensuring optimal performance and security for diverse users. This role involves configuring systems, troubleshooting connections, automating tasks, and documenti...

Unlock potential by managing and optimizing IT systems for FDA’s public web presence, ensuring seamless operation of complex infrastructure supporting millions of visitors and vital information dissem...

Manage and enhance IT systems support by ensuring effective implementation, troubleshooting, and maintenance. Collaborate on daily operations, monitor system integrity, and resolve issues to improve p...

Drive your career forward by joining a dynamic team as a System Administrator, providing critical support for hardware and software operations within a complex IT environment, ensuring compliance and...

Unlock potential by leading cross-functional teams, managing high-availability environments, and implementing innovative solutions while addressing complex cyber challenges and safeguarding national s...

Support the implementation and operation of Linux-based IT systems, ensuring seamless performance and reliability while managing daily operations, identifying issues, and automating tasks for efficien...

Unlock potential by leveraging your extensive systems administration expertise to support complex programs. Collaborate within a dynamic team to enhance infrastructure and optimize system performance...

Engineer data-driven insights that inform strategic decisions. Drive KPI development and performance metrics to support business intelligence initiatives, leveraging tools like Power BI or Tableau whi...

Empower your career by managing IT systems and providing support. Drive the administration of cloud platforms and networks, ensure data security, and assist staff with technical solutions in a collabo...