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Senior Systems Administrator

Robert Half Technology

Phoenix, AZ, United States Full-time June 01, 2026
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Opportunity Description

Description
The Senior Systems Administrator is responsible for the oversight, configuration, and daily operation of mission-critical IT systems. This role requires a deep understanding of complex enterprise systems, including servers, data storage, virtualization, cloud technologies, and related infrastructure. The incumbent will assign and review the daily work of technical staff, ensure optimal system performance, administer service level agreements, and participate in the full lifecycle of system administration, project management, and vendor management. This position is essential to supporting reliable, secure business technology operations.

Key Responsibilities:

+ Assign and oversee daily tasks for systems administration staff, providing mentorship and technical leadership.

+ Install, configure, maintain, and troubleshoot operating system workstations (Windows and Linux), servers (Microsoft 2016/2019/2022), storage area networks (SAN), and data stor...
Full-time other-general

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