IT Infrastructure Administrator Jobs in Phoenix, AZ

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

Unlock your potential by maintaining and modernizing a complex network and security infrastructure. Collaborate with a skilled team to support enterprise operations, troubleshoot issues, and drive con...

Unlock potential by providing senior technical leadership for Air Force IT systems. Manage infrastructure, coordinate delivery teams, and enhance system capabilities while ensuring operational stabili...

Architect robust IT security strategies, manage teams, and ensure compliance while driving infrastructure performance and risk reduction initiatives for enterprise endpoints and data protection...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Drive infrastructure excellence by managing z/OS storage systems, ensuring reliable operations, and collaborating with application teams. This hands-on role focuses on incident management, automation...

Shape the future of secure cloud operations by managing Linux environments and AWS infrastructure, ensuring optimized performance, security compliance, and automation through industry-standard practic...

Lead the charge in optimizing and modernizing hybrid infrastructure for a major federal agency. Collaborate with stakeholders on assessments, automation, and performance enhancements to ensure a secur...

Transform the healthcare infrastructure for Veterans by leading modernization initiatives. Collaborate with diverse teams to design secure, scalable solutions and ensure compliance with federal standa...

Drive operational excellence as a senior Linux systems administrator, optimizing and managing medical imaging systems. Collaborate with teams to enhance resilience, automate processes, and ensure reli...

Elevate energy operations by leading support for SCADA and IT systems that drive reliable renewable and fossil generation. Collaborate with teams for troubleshooting, maintenance, and enhancements whi...

Empower operational excellence by optimizing and enhancing systems supporting diverse financial functions. Collaborate with teams to deliver scalable, innovative solutions, driving efficiency and impr...

Collaborate with clients to design and optimize AWS environments, automate deployments, and support migrations. Your expertise will ensure robust cloud infrastructure for multiple projects within a dy...

Pioneer the future of litigation support as you manage IT systems for DOJ, optimizing automated resources for complex legal proceedings. Join our remote team to enhance system performance and ensure c...

Unlock potential by optimizing and managing Linux-based application environments. Drive operational excellence and system resilience while collaborating with engineering and operations teams to enhanc...

Optimize your career as a Workday Application Administrator, collaborating with cross-functional teams to enhance system performance and implement scalable HR solutions that align with business object...

Elevate system functionality by managing IT applications and enhancing project delivery through collaboration. Utilize your expertise in troubleshooting and maintenance while integrating AI solutions...

Join a team that's integral to the DOJ's litigation mission, supporting complex applications as an E-Discovery Application Administrator. This fully remote role demands expert programming skills to en...

Manage complex litigation support projects remotely, overseeing staff and coordinating case activities. Play a key role in ensuring effective communication with clients and attorneys while executing d...

Join a team that's at the forefront of modernization, solving complex CICS administration challenges. Collaborate with top clients and innovate technology solutions while fostering your professional g...

Elevate your career by maintaining and optimizing IT infrastructure. Lead cloud integration efforts and enhance system security while providing top-notch support for robust network environments, ensur...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Unlock potential by managing and securing IBM i (AS/400) infrastructures, ensuring application availability through system performance, incident resolution, and compliance in a collaborative, innovati...