Role overview
Job description
Evaluate field conditions against approved single-line diagrams, panel schedules, three-line diagrams, and site design, exercising engineering judgment to determine whether deviations are acceptable, require rework, or require a design change, with review from senior engineering at key milestones
Serve as the owners field representative during: Factory Acceptance Testing (FAT) and functional testing of Owner Furnished Equipment (OFE) consisting of: switchgear, distribution transformers, metal clad gear, and EVSE, independently assessing test results against acceptance criteria and determining pass/fail/conditional disposition
Evaluate site energization readiness, weighing incomplete or conflicting information from utilities, contractors, internal teams, and make the final go/no-go engineering call, escalating ambiguous or high-risk cases to senior engineering leadership
Troubleshoot complex, non-routine electrical and hardware issues on active sites, partnering with Field Service to diagnose and resolve electrical power system problems
Analyze field-discovered deviations and as-built changes for engineering significance, and determine which require formal design revision versus documentation only
Ensure the commissioning-to-operations handoff, including equipment turnover packages, maintenance schedules, and warranty terms, are sufficient for safe, reliable operation, exercising judgment on what site documentation and guidance the receiving team needs
Interpret and apply NEC, UL, IEEE, and local code requirements during field reviews
Manage field engineering activity across multiple concurrent sites with competing schedules
Report regularly to management on progress, issues, and risks
Degree: Bachelor's in Electrical Engineering, Power Systems, or a related field
5+ years of field experience with electrical construction, commissioning, or startup of medium- and low-voltage systems, including 480V switchboards and distribution equipment
Background in electrical engineering, facility engineering, field technician, power distribution, or comparable field experience
Working knowledge of at least two of the following:
DC fast EV charging infrastructure (200kW up to 1 MW per dispenser)
Power electronics (inverters and rectifiers)
Clean energy electrification (BESS, solar, wind, or similar)
Substations, microgrids, or utility interconnection
Advanced protective relaying and control within MV distribution systems
Facility Electrical maintenance and troubleshooting
Comfortable reading and field-verifying Single-Line Diagrams (SLDs) and Three-Line Diagrams
Working familiarity with the National Electrical Code (NEC), Underwriters Laboratory (UL), Institute of Electrical and Electronics Engineers (IEEE), and local building/electrical codes
Willingness and ability to travel frequently to active construction and development sites (expect 60%+ travel)
Valid driver's license and ability to work on active construction sites, including required PPE and safety training
2+ years of experience in the EV ecosystem, vehicle electrification, or EV charging infrastructure
Hands-on experience with commissioning or startup testing on commercial or industrial electrical projects
Experience performing or witnessing protection and coordination studies and testing
Familiarity with megger/insulation resistance testing, primary injection testing, and switchgear functional testing
Understanding of industry standards such as OCPP (Open Charge Point Protocol) and ISO 15118 (Plug & Charge)
OSHA 10/30 and NFPA 70E arc-flash safety training
EIT (Engineer-in-Training) status or a Professional Engineer (PE) license
About this listing
- Source: Terawatt Infrastructure's official careers site (via Lever) · last confirmed on the source 3 Nov 2026
- Posted 31 Jul 2026
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What they are looking for
Skills & requirements
Department · Technology
Hiring company
Terawatt Infrastructure
Power your EV fleet with Terawatt's reliable charging infrastructure. Serving commercial fleets, autonomous vehicles, and rideshare operators nationwide. We own, develop, operate and maintain charging sites.
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