Electrical Testing & Commissioning Technician - Substation​/Relay​/Transformer

About Us

Advanced Electric Systems (AES) isa wholly owned subsidiary of Quanta Services (NYSE: PWR), the largest utility contractor in North America. We arean electrical testing, maintenance, and repair company that specializes in high-voltage substations.

Based out of Salt Lake City, Utah, AES has completed projects across North America. As our country’s electrical infrastructure is rapidly upgraded and expanded, our company’s services are in an all-time high demand. Being a Quanta Services company provides us with immense operational bandwidth and allows us to employ the most highly skilled individuals across an array of challenging projects.

AES is an Equal Opportunity Employer and participates in E-Verify.

Advanced Electric Systems (AES) is seeking Electrical Testing & Commissioning Technicians (Mid-Level through Senior) to support field testing, startup, commissioning, troubleshooting, and maintenance of low-, medium-, and high-voltage electrical power systems. Technicians will perform acceptance testing, protection system verification, maintenance testing, and commissioning activities on electrical infrastructure including substations, renewable interconnect facilities, industrial power systems, and mission‑critical installations. This position involves nationwide travel supporting outage‑based maintenance, commissioning, system startup, and capital upgrade projects for utility and EPC clients.

As part of the Quanta Services family, you’ll gain the stability, resources, and opportunities that come with being connected to the largest utility contractor in North America.

• Protective Relay Systems (SEL, GE Multilin, ABB, Siemens, Basler)
• Power Transformers (Dry‑Type & Oil‑Filled)
• Instrument Transformers (CTs / VTs)
• Circuit Breakers (LV / MV / HV – Vacuum, SF₆, Oil)
• GIS Equipment
• Medium & High Voltage Switchgear
• Protection & Control Schemes
• DC Systems & Battery Banks
• Metering & SCADA Systems

• Acceptance & Maintenance Testing
• Relay Functional & End‑to‑End Testing
• Transformer Electrical Testing (TTR, PF, Winding Resistance)
• Breaker Timing & Contact Resistance
• CT Polarity & Saturation Testing
• Primary & Secondary Injection
• Protection Scheme Verification
• Switchgear & GIS Commissioning
• Outage‑Based Startup & System Energization
• Troubleshooting Protection & Control Systems

As a Electrical Testing & Commissioning Technician, you will play a key role in ensuring the reliability of protection and control systems and electrical power apparatus. Your responsibilities will include:

• Perform field testing, troubleshooting, startup, and commissioning of electrical equipment
• Interpret electrical one-lines, schematics, protection logic, and relay settings
• Execute relay testing and protection scheme verification during outage‑based commissioning projects
• Lead or support field crews during testing, commissioning, and energization activities
• Provide technical leadership on startup and capital upgrade projects when applicable
• Document and report test results per project specifications
• Coordinate with utility clients, EPCs, and project management teams

• 3+ years electrical testing or commissioning experience
• Experience with substation equipment testing
• Familiarity with protective relay testing
• Experience with Doble, Omicron, Manta, Vanguard, or similar
• Ability to read electrical schematics and wiring diagrams
• Willingness to travel for project assignments

• NETA II / III / IV Certification
• Transformer Testing Experience
• Breaker Testing Experience
• Commissioning or Startup Experience
• Utility or EPC Project Experience
• Renewable Interconnect or BESS Project Experience
• Military Prime Power or Equivalent

AES hires technicians with NETA certification but is not a NETA‑accredited company.

When you join Advanced Electric Systems (AES), you’re not just stepping into a job, you’re becoming part of a team that takes pride in the work we do and the people who do it. Backed by the nationwide strength of Quanta Services (NYSE: PWR), you’ll have the stability and resources of the largest utility contractor in North…