Customer Support Engineer - Critical Power & Power Electronics

Support Engineer - Critical Power & Power Electronics

Location: Phoenix, Arizona or New Berlin, Wisconsin

Our client is seeking an experienced Support Engineer - Critical Power & Power Electronics to join their growing team based in Phoenix, Arizona or New Berlin, Wisonsin.

This is an exciting opportunity for a skilled engineer with a strong background in power electronics, critical power systems and high-power electrical equipment, looking to join a specialist engineering business working on complex power systems.

The successful candidate will play a key role in providing remote technical support, fault diagnosis and troubleshooting, alongside the commissioning, maintenance and servicing of high-power electrical and critical power systems at customer sites. The role will be split approximately 50% between virtual technical support and 50% travel, working directly with customers and field technicians to diagnose complex issues, oversee safe working practices and ensure the reliable operation of mission-critical equipment.

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:

• Bachelor’s degree in Engineering, Electrical Engineering, Electronics, Power Electronics or a related discipline.


• Minimum 4+ years' experience in a Field Service Engineer, Electrical Engineer, Power Electronics Engineer, Critical Power Engineer or similar role.


• Strong experience with power electronics and high-power electrical systems, including commissioning, troubleshooting and fault-finding. Direct UPS experience is beneficial but not essential.


• Experience working with high-voltage/medium-voltage systems, with strong electrical safety knowledge, alongside excellent customer-facing skills and willingness to travel approximately 50% of the time across the US.

If you have a strong background in power electronics, high-power electrical systems or critical power, with experience in commissioning, servicing, troubleshooting and fault-finding, and are looking for your next challenge in a customer-facing engineering role, we’d love to hear from you.

Please send your CV to NDrain@redlinegroup.Com or call 07487 756328 to speak with Nick for more information.