Senior HV Field Service Technician - Testing/Commissioning

RMS Energy Co, LLC; Oregon (WI); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Competitive compensation

Full benefits

Career growth

401(k) with company match

Travel time + per diem

Education support

PTO

Job summary

RMS Energy is seeking a Field Service Technician III to perform testing, maintenance, and commissioning of power systems at sites across the United States. This hands-on role requires working with high‑voltage equipment, relays, transformers, and SCADA systems, with a strong emphasis on safety and precise documentation.

You will travel up to 50% across the continental U.S., read schematics and one‑line diagrams, mentor junior technicians, and ensure customer satisfaction while meeting project

Qualifications

• 3–5 years of field experience testing, maintaining, and commissioning power systems up to 500kV.
• Experience with megohmmeters, TTRs, contact resistance testers, and insulation testers.
• Familiarity with PowerDB or similar test documentation software.
• Strong understanding of NFPA 70E, OSHA 1910.269, and field safety standards.
• Read and interpret schematics and one‑line diagrams.
• NETA Level II certification preferred or active pursuit of certification.
• Proficient in Microsoft Office Suite (Excel, Word, Outlook, Teams).
• Organized, safety‑conscious, and able to manage time and priorities independently.

Responsibilities

• Test, maintain, and collect data on low, medium, and high voltage systems (480V–600kV), including breakers, relays, switchgear, cables, and transformers.
• Run standard field tests (TTR, insulation resistance, Power Factor, Tan Delta, VLF, DC Hi-Pot).
• Test relays (electromechanical and solid‑state) with minimal supervision.
• Troubleshoot control circuits, relay logic, and protection schemes.
• Function check control panels, trip/alarm circuits, and SCADA signal integrity.
• Support commissioning activities and ensure customer satisfaction.
• Read and interpret schematics, drawings, manuals, and one‑line diagrams.
• Communicate with customers on‑site and provide timely job updates.
• Keep accurate reports, logs, and equipment calibration records.
• Follow all RMS Energy and site safety procedures (Lockout/Tagout, PPE, JHA).
• Use hand tools and test equipment safely and correctly.
• Inspect and maintain PPE and job tools.
• Help mentor Tech I team members on procedures and safe practices.

Skills

Field testing

Troubleshooting

Read schematics

Safety awareness

English proficiency

Education

High school diploma or GED

Tools

PowerDB

Megohmmeters

TTRs

Contact resistance testers

Insulation testers

SCADA test equipment

Job description

RMS Energy is seeking a Field Service Technician III to perform testing, maintenance, and commissioning of power systems at sites across the United States. This hands-on role requires working with high‑voltage equipment, relays, transformers, and SCADA systems, with a strong emphasis on safety and precise documentation.

You will travel up to 50% across the continental U.S., read schematics and one‑line diagrams, mentor junior technicians, and ensure customer satisfaction while meeting project