UPS Technician III

Reliant Critical Infrastructure
Phoenix, AZ

Join a team of skilled professionals dedicated to delivering reliable power solutions as a UPS Technician III. In this role, you will play a key part in ensuring the performance and safety of Uninterruptible Power Supply (UPS) systems and related battery systems for a diverse range of clients. The position offers the opportunity to lead projects, mentor junior technicians, and work with industry-leading equipment and technologies. If you are passionate about electrical systems, enjoy problem-solving, and thrive in a collaborative environment, this is an excellent opportunity to advance your career.

Responsibilities

  • Perform startups, certifications, preventative maintenance, and scheduled maintenance on UPS systems and battery systems.
  • Lead UPS replacements and new installations, ensuring quality and safety standards are met.
  • Diagnose and repair UPS systems, including routine and emergency service, with minimal disruption to clients.
  • Install, troubleshoot, repair, start up, and commission various types of UPS systems independently.
  • Supervise and guide teams of technicians with varying skill levels on job sites.
  • Collaborate effectively with general contractors, subcontractors, partners, and clients to ensure projects are completed on schedule and within budget.
  • Operate equipment such as UPS systems, battery systems, PDUs, ATS, and AC/DC rectifiers safely and efficiently.
  • Communicate clearly with co-workers, sales teams, engineering partners, management, and clients.
  • Assess manpower requirements and estimate materials needed for maintenance and installation projects.
  • Monitor crew productivity and safety, taking action when necessary to maintain a safe and effective work environment.
  • Foster a positive team environment and mentor junior technicians by sharing knowledge and best practices.
  • Maintain regular and reliable attendance.
  • Perform other duties as assigned by Services Management.

Qualifications

  • High school diploma or equivalent.
  • 3 to 5 years of experience servicing UPS systems.
  • Electrical and mechanical experience with UPS systems, DC systems, and familiarity with major OEMs (e.g., Eaton, Mitsubishi, Schneider, APC, GE, Emerson).
  • Knowledge of AC/DC theory, electronic components, and circuitry, or willingness to learn.
  • Proficiency in using diagnostic tools such as digital multimeters, amp clamps, phase rotation meters, power quality analyzers, IR cameras, and oscilloscopes.
  • Understanding of isolation devices, arc-flash PPE, and safety protocols.
  • Competency in series, parallel, and series-parallel connections.
  • Ability to interpret torque values and perform visual inspections of installations.
  • Strong written and verbal communication skills.
  • Proficiency with Microsoft Office applications, including Word and Excel.
  • Ability to lead teams and mentor less experienced technicians.
  • US Citizenship required.
  • Preferred: OSHA 30-hour certification, NFPA-70E Safety Training, Thermography Level 2 or higher.
Posted 2026-06-25

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