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Critical Loop Inc.
Master Electrician - Battery Energy Storage Systems (BESS)
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What they do
An Electrician works on electrical systems in buildings. Installs electrical wiring and lighting in new construction, and repairs or upgrade wiring, outlets or other parts of older electrical systems. Checks safety and makes installations or repairs that are in compliance with local building codes. May also specialize in electrical work required in different manufacturing industries, electrical systems for cars, plane or boats, or electrical and lighting work in the film industry.
$73,788 / year median in California
+3% projected growth
Job Description
Master Electrician - Battery Energy Storage Systems (BESS) Critical Loop Inc. Torrance, CA Job Details Full-time $85 - $110 an hour 3 hours ago Benefits Health insurance Dental insurance 401(k) Paid time off Vision insurance Referral program Qualifications Forklift Certification Digital multimeters Electronics functional testing Utility electrical systems Interpreting technical drawings Electrical schematic reading and interpretation Energy control procedures Occupational Safety And Health Administration Outreach Training Program 30-Hour Electrical safety procedures Driver's License Problem-solving Electrical maintenance Safety procedures for high-voltage work Commissioning phase involvement Functional quality evaluation testing Field commissioning Hazardous energy control Energy storage systems Field engineering Electrical systems commissioning Full Job Description Critical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy. Position Summary Critical Loop is looking for a Master Electrician with deep experience in utility-scale Battery Energy Storage Systems (BESS) to lead the electrical execution of our field deployments. This role will serve as the technical expert for installation, commissioning, troubleshooting, and service activities across our battery storage fleet. This is a hands-on leadership role. We're looking for someone who is just as comfortable troubleshooting a live system as they are mentoring junior electricians, making field decisions, and partnering with engineering to solve complex problems. Responsibilities Lead electrical installation, commissioning, maintenance, and troubleshooting of utility-scale BESS systems. Perform factory acceptance testing (FAT) including continuity testing, joint impedance measurement, phase rotation verification, multi-phase commissioning, energization, and functional testing. Perform and oversee commissioning activities including phase rotation verification, multi-phase commissioning, energization and startup, functional testing, and point-to-point verification. Perform high-voltage AC/DC troubleshooting. Safely isolate, de-energize, verify zero energy, and return BESS systems to service. Install, replace, and troubleshoot PCS/inverters, combiners, transformers, switchgear, breakers, communication systems battery racks/modules, and communication systems. Interpret electrical drawings, one-line diagrams, wiring diagrams, and commissioning procedures. Routing and installation of high ampacity terminations ranging from 2/0 to 500 MCM wire Support root cause analysis of electrical failures. Working with documented work instructions, QA hold points, and torque/inspection requirements. Partner with Engineering to resolve field issues and improve product reliability. Mentor and develop junior field technicians and electricians. Maintain NFPA 70E, OSHA, LOTO, and all site safety requirements. Travel up to 30% to customer sites for commissioning, maintenance, and troubleshooting activities. Required Qualifications Master Electrician license or equivalent Journeyman-level experience with demonstrated field leadership. 8+ years of industrial, utility, or commercial electrical experience. 3+ years of hands-on experience with utility-scale Battery Energy Storage Systems (BESS). Experience commissioning and servicing Tesla Megapack, Fluence, Sungrow, Powin, Wärtsilä, BYD, or similar utility-scale energy storage platforms. Experience working with 480V