Commissioning Technician III; Master Technician|System Specialist

Join to apply for the Commissioning Technician III (Master Technician|System Specialist) role at ON.energy
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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper‑scale campuses, validated by top U.S. national labs, and certified for grid‑safe operation by major utilities.

With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

• Perform intermediate‑level testing such as insulation resistance, continuity, and point‑to‑point verification.
• Act as field supervisor for teams of 2‑12 technicians.
• Foster and maintain a culture of safety for all team members, overseeing Job Hazard Analysis (JHA) and Lock‑out tag‑out (LOTO) program compliance, maintaining zero recordable injuries.
• Work autonomously to further project goals.
• High‑level troubleshooting capabilities.
• Quickly escalate issues to engineering if they cannot be fixed.
• Assist in configuring and verifying network communications and control interfaces.
• Support initial system energization with guidance from senior technicians and engineers.
• Troubleshoot moderate issues in wiring, sensors, and control hardware.
• Provide hands‑on training to junior and intermediate technicians.
• Interface with OEM field reps and relay findings to engineers.
• Excellent documentation habits and tracking of field modifications or discrepancies.
• Maintaining quality and tracking standards with junior members.
• Proficient in the safe use of standard hand tools (wrenches, screwdrivers, pliers, torque tools, etc.) for assembly, installation, and adjustment of equipment.
• Skilled in operating specialized electrical diagnostic tools, including but not limited to digital multimeters, clamp meters, insulation resistance testers, and other measurement devices commonly used in battery energy storage systems.

• 5+ years hands‑on experience in electrical or control system commissioning.
• Working knowledge of industrial communications, low‑voltage systems, and diagnostic tools.
• Preferred experience with Medium Voltage switching procedures.
• Associate degree or vocational/military training in Electrical or Electronics Technology.
• Safety certifications (OSHA 30, NFPA 70E, First Aid, CPR, AED).

• Competitive salary + performance bonus.
• 401(k) match, health, vision, dental.
• Paid time off and company holidays.
• Work that matters—building resilient, secure infrastructure for the future of energy.

Mid‑Senior level

Full‑time

Engineering and Information Technology

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