Electrical Testing & Commissioning Technician - Substation / Relay / Transformer
AES is a wholly owned subsidiary of Quanta Services (NYSE: PWR), the largest utility contractor in North America. We are an electrical testing, maintenance, and repair company specializing in high-voltage substations. Based in Salt Lake City, Utah, AES has completed projects across North America. As the country’s electrical infrastructure expands, our services are in high demand. Being part of Quanta Services provides operational bandwidth and access to highly skilled professionals across challenging projects.
About the Role
This position involves nationwide travel supporting client projects. As part of the Quanta Services family, you’ll gain stability, resources, and opportunities connected to the largest utility contractor in North America.
Responsibilities
- 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
Typical Work Performed
- 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
Systems & Equipment Supported
- 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
Requirements
- 3+ years of electrical testing or commissioning experience
- Class A CDL or willingness to obtain one
- Experience with substation equipment testing
- Familiarity with protective relay testing
- Experience with Doble, Omicron, Manta, Vanguard, or similar testing equipment
- Ability to read electrical schematics and wiring diagrams
- Willingness to travel for project assignments
Preferred Qualifications
- 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.
Benefits
- Top-tier wages with additional per diem and travel pay when eligible
- Medical, dental, vision, and life insurance
- 401(k) with a strong company match
- Industry-leading safety culture supported by Quanta Services’ national training network
- Unlimited career growth opportunities within the Quanta family of companies