Field Service Engineer - Critical Power

Redline Group - Specialist Recruitment for Technology & Electronics Companies; Phoenix (AZ); On-site; USD 80,000 - 110,000; Full time

Job summary

Redline Group, based in Phoenix, Arizona, seeks an experienced Field Service Engineer specializing in UPS and critical power systems to install, commission, maintain, troubleshoot, and repair UPS equipment across the United States. The role requires strong hands-on expertise with UPS, batteries, inverters, rectifiers, and IGBT-based power systems.

Minimum 4+ years in similar roles; valid driver's license and willingness to travel nationwide are essential.

Qualifications

• 4+ years' experience in a Field Service Engineer, UPS Engineer, Critical Power Engineer, or similar role.
• Proven hands-on experience servicing, maintaining, commissioning, and fault-finding UPS systems from leading manufacturers.
• Strong understanding of critical power infrastructure, power electronics, inverters, rectifiers, batteries, and IGBT-based power systems.
• Experience carrying out electrical testing, diagnostics, and root-cause analysis.
• Valid driver's license and willingness to travel extensively.
• Field-based position requiring regular travel throughout the United States.
• Candidates must be comfortable spending significant time on customer sites and travelling nationwide as required to support service, maintenance, commissioning, and emergency response activities.

Responsibilities

• Perform preventative maintenance, servicing, and emergency repairs on UPS systems and critical power equipment.
• Diagnose, troubleshoot, and rectify faults on UPS systems, battery systems, inverters, rectifiers, static switches, and power distribution equipment.
• Carry out commissioning, start-up, testing, and system verification of new UPS installations.
• Conduct site surveys, system inspections, and performance assessments
• Support customers during planned maintenance visits and emergency call-outs.

Skills

Field service

UPS systems

Critical power

Diagnostics

Troubleshooting

Travel readiness

Job description

Field Service Engineer – UPS & Critical Power Systems

Location: Phoenix, Arizona, US

Our client is seeking an experienced Field Service Engineer – UPS & Critical Power Systems to join their growing team based in Phoenix, Arizona. This is an exciting opportunity for a skilled engineer with a strong background in Uninterruptible Power Supply (UPS) systems, critical power infrastructure, and power electronics to support customers across the United States.

The successful candidate will play a key role in the installation, commissioning, maintenance, troubleshooting, and repair of UPS systems and associated critical power equipment, ensuring maximum reliability and uptime for mission-critical applications.

Key Responsibilities:

• Perform preventative maintenance, servicing, and emergency repairs on a wide range of UPS systems and critical power equipment.
• Diagnose, troubleshoot, and rectify faults on UPS systems, battery systems, inverters, rectifiers, static switches, and power distribution equipment.
• Carry out commissioning, start-up, testing, and system verification of new UPS installations.
• Conduct site surveys, system inspections, and performance assessments
• Support customers during planned maintenance visits and emergency call-outs.

Candidate Requirements:

• Minimum 4+ years' experience in a Field Service Engineer, UPS Engineer, Critical Power Engineer, or similar role.
• Proven hands‑on experience servicing, maintaining, commissioning, and fault‑finding UPS systems from leading manufacturers.
• Strong understanding of critical power infrastructure, power electronics, inverters, rectifiers, batteries, and IGBT‑based power systems.
• Experience carrying out electrical testing, diagnostics, and root‑cause analysis.
• Valid driver's license and willingness to travel extensively.
• This is a field‑based position requiring regular travel throughout the United States.
• Candidates must be comfortable spending significant time on customer sites and travelling nationwide as required to support service, maintenance, commissioning, and emergency response activities.

If you have a strong background in UPS systems, renewable energy & critical power solutions, commissioning, servicing, and fault finding, and are looking for your next challenge, we'd love to hear from you.