IT Infrastructure Administrator III

IT Infrastructure Administrator III Apply LOCATION Los Angeles, CA Hybrid TYPE Contract SALARY $53 - $57 / hr ID j-11419 POSTED Mar 12, 2026 This role requires candidates who are currently authorized to work in the U.S. without sponsorship, and C2C arrangements are not accepted. This role is hybrid in Los Angeles, CA.   Overview We are seeking an experienced IT Infrastructure Administrator III to support and maintain a complex enterprise infrastructure environment. This role is responsible for day-to-day administration of server, storage, virtualization, and backup systems across multiple operating environments. The position requires strong troubleshooting skills, sound technical judgment, and the ability to interpret policies, procedures, and technical guidelines when resolving infrastructure issues. Key Responsibilities Administer and support enterprise server environments including Linux/Unix and Windows platforms. Monitor, optimize, and troubleshoot infrastructure systems to ensure reliability and performance. Install, configure, patch, and maintain server operating systems and infrastructure software. Support SAN/NAS storage environments and enterprise backup and recovery systems. Perform backup, restore, and disaster recovery procedures. Support and maintain VMware virtualization environments, including VDI and VSAN architectures. Assist with cloud infrastructure deployments and migrations, including Infrastructure-as-a-Service environments. Administer and troubleshoot enterprise Linux systems and container platforms. Provide advanced support for enterprise desktop and endpoint infrastructure. Serve as a technical lead on infrastructure projects including system design, testing, and implementation. Collaborate with technical teams and end users to resolve issues and improve infrastructure operations.   Required Knowledge & Technical Expertise Enterprise Linux/Unix administration Windows Server and Active Directory administration VMware infrastructure and virtualization technologies SAN/NAS storage administration Enterprise backup and recovery systems Networking technologies and infrastructure fundamentals Systems analysis, testing, configuration management, and performance monitoring Desired Experience Enterprise Linux distributions and Unix environments Container platforms such as OpenShift Enterprise storage platforms (e.g., Dell/EMC SAN/NAS) Cloud infrastructure platforms such as Azure IaaS or Oracle Cloud Infrastructure Supporting centralized enterprise backup solutions   Qualifications Bachelor’s degree in Information Technology, Computer Science, or a related field and 4+ years of relevant experience, or Master’s degree in a related field and 2+ years of relevant experience Equivalent combinations of education and experience may be considered.   Additional Requirements Strong analytical and troubleshooting skills Ability to manage multiple priorities and work effectively under pressure Strong written and verbal communication skills Ability to maintain confidentiality of sensitive information Valid driver’s license may be required depending on operational needs