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Commissioning Technician II

United States

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.

We're looking for highly skilled and motivated Commissioning Technician II to join our best in class team and play a critical role in bringing complex projects to life. In this position, you'll be responsible for managing project technician during all stages of construction and installation, ensuring that all systems and equipment are installed, tested, and operate according to specifications and client requirements.

As a Commissioning Technician II at ON.energy, you will:

  • Oversee field installation quality, ensuring electrical and mechanical components meet design specifications.
  • Manage small team of 1-3 technicians to support project initiatives
  • Participate within a culture of safety for all team members, complying with Job Hazard Analysis (JHA) and Lock out tag out (LOTO) programs, maintaining zero recordable injuries.
  • Perform initial power-up and low-voltage testing.
  • Execute system wiring verification, sensor calibration, and ommunication checks.
  • Assist engineers in functional testing and troubleshooting.
  • Maintain tool and equipment readiness for commissioning tasks.
  • Proficient in the safe use of standard hand tools (wrenches, screwdrivers, pliers, torque tools, etc.) for assembly, installation, and adjustment of equipment.
  • Ability to operate 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.

Requirements

  • Strong understanding of electrical schematics, power distribution, and BESS components.
  • Experience in electrical testing, troubleshooting, and commissioning procedures.
  • Experience with Medium Voltage switching procedures.
  • Associate degree, military training, technical or equivalent experience in electrical/mechanical systems.
  • Safety certifications (OSHA 30, OSHA 10, NFPA 70E, First Aid, CPR, AED) preferred.

For US-based roles - What you’ll get:

  • Competitive salary + annual performance-based bonus eligibility
  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays 

For Mexico-based roles - What you’ll get:

  • Competitive salary + annual performance bonus eligibility
  • Christmas Bonus (Aguinaldo): 30 days
  • Major medical expenses and life insurance
  • Paid time off and holidays (per local policy)

For all roles:

  • Professional development and growth opportunities
  • Opportunity to grow with a mission-driven team shaping the future of clean energy
  • Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
  • Accommodations: If you need an accommodation during the application process, email recruitment@onenergystorage.com
  • Benefits vary by role and location and are subject to change.

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