Electrical Testing & Commissioning Technician - Substation/Relay/Transformer
Listed on 2026-07-13
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Engineering
Field/Service Technician -
Trades / Skilled Labor
Field/Service Technician
Electrical Testing & Commissioning Technician
Advanced Electric Systems (AES) is seeking Electrical Testing & Commissioning Technicians (Mid-Level through Senior). This position involves nationwide travel supporting client projects. 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.
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
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
Required Qualifications
- 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
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.
What You'll GetWhen 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 America while still enjoying the close‑knit feel of a company that truly knows and supports its people.
You'll be joining a respected group of technicians and industry experts known for delivering high‑quality electrical testing, maintenance, and repair services in high‑voltage substations and protection and control systems. Here, your skills matter, your voice is heard, and your professional growth is taken seriously. Whether you're looking to expand your technical expertise, take on new challenges, or build a long‑term career, you'll have the backing and opportunities to make it happen.
We Offer
- Earn top‑tier wages with additional per diem and travel pay when eligible.
- Enjoy exceptional benefits, including medical, dental, vision, life insurance, and a 401(k) with a strong company match.
- Be part of an industry‑leading safety culture, strengthened by Quanta Services' unwavering commitment to safety and its world‑class national training network.
- Access unlimited career growth opportunities and advance your future within the expansive Quanta family of companies.
Please Note: We are not engaging with external recruiters or agencies for this role. Kindly refrain from outreach regarding candidates.
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