---
title: 'Master Electrician - Battery Energy Storage Systems (BESS) at Critical Loop'
canonical: 'https://feeny.ai/job/master-electrician-battery-energy-storage-systems-bess-critical-loop-torrance-1weea91mv2c8'
type: 'job'
last_seen: '2026-09-11'
---

# Master Electrician - Battery Energy Storage Systems (BESS) at Critical Loop

- **Company:** Critical Loop
- **Location:** Torrance, CA
- **Compensation:** $85–$110/hr
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-08-13
- **Last confirmed live:** 2026-09-11
- **Apply:** https://jobs.ashbyhq.com/criticalloop/4652f914-b6e6-4942-a3ae-7febb44d03c9

## Job description

## About Critical Loop

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 AC, 1000–1500V DC battery systems, and medium-voltage electrical equipment.
- Hands-on experience with inverter installation and commissioning — EG4, SMA, Sungrow, SolarEdge, or comparable platforms.
- Strong understanding of battery systems, including series and parallel configurations, battery management systems (BMS), phase rotation, multi-phase commissioning, arc flash, and DC electrical hazards.
- Experience performing lockout/tagout (LOTO), live-dead-live verification, and electrical testing using multimeters, insulation resistance testers, and phase rotation meters.
- Ability to read and interpret electrical schematics, one-line diagrams, wiring diagrams, and technical documentation.
- Valid driver's license and ability to travel as needed.

## Preferred Qualifications

- SCADA, Modbus, or BMS communications troubleshooting experience.
- Hands on experience with cable connections in transformers, panel boards, and inverters
- NETA certification.
- NFPA 70E certification.
- OSHA 30 certification.
- Forklift Certification
- Experience with utility interconnection and substation equipment.
- SCADA, PLC, or industrial controls experience.
- Previous experience in a startup or rapidly growing company environment.

Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.

At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance. Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

## About Critical Loop

## Core Business
- **Primary industry**: Energy infrastructure, distributed energy resources (DER), battery energy storage systems (BESS), microgrids.
- **Target customers**: B2B / enterprise – industrial manufacturing, data centers, utilities, critical infrastructure, and EV fleet operators.
- **Mission**: “We’re building a world where energy is abundant and accessible on demand.” The company also states it aims to “accelerate access to reliable power, even where it’s otherwise impossible.” [criticalloop.com](https://www.criticalloop.com/about)

## Products & Services
- **Modular Battery Storage Systems**: Relocatable, megawatt-scale batteries that can be deployed in weeks to provide fast, flexible capacity.
- **Microgrid Cabinet**: A smart, scalable cabinet that integrates different power sources (grid, battery, renewables) into a single controlled system.
- **Control Software**: Proprietary platform for orchestrating power sources, real-time monitoring, diagnostics, and optimization.
- **Full‑Spectrum Energy Solutions**: End‑to‑end project development including financing, design, permitting, deployment, and ongoing operations & maintenance.

## Market Standing
- **Valuation / Market Cap**: Not disclosed.
- **Key Metric**: 50 MWh deployed, scaling to 100+ MWh in 2026, with a stated path to 5–10 GWh within five years. The company operates 55+ active control nodes under actual utility contracts. [criticalloop.com](https://www.criticalloop.com/)
- **Notable Investors / Partners**: Not publicly disclosed. The team includes former leaders from SpaceX, Palantir, Tesla, and Rivian, and the company works with “blue‑chip customers” and utilities.
- **Growth Signals**: Rapid scaling of deployed capacity; 67 employees (as of mid‑2026); active hiring across hardware, software, and business development roles; operating in California with utility contracts.

## Competitive Advantages
- **Speed to power**: “Get megawatts in weeks, not years” – a key differentiator in a market where grid interconnection often takes 5+ years.
- **Configurable platform**: Combines grid power with a proprietary battery fleet, allowing the same hardware/software stack to serve multiple industries (manufacturing, data centers, utilities, etc.).
- **Aerospace‑level engineering**: Founding team from SpaceX, Palantir, and Tesla brings rigor in safety, reliability, and system integration.
- **Proven in the field**: Systems already deployed in extreme conditions with real utility contracts, not just prototypes.

## Strategic Focus
- **Current priorities**: Scale deployed capacity to 100+ MWh in 2026, expand industrial customer base, and deepen partnerships with utilities to close grid gaps. The company is solving the “time‑to‑power” problem that limits business growth in the U.S.

## Why Work Here
- **Culture**: “No endless meetings. No busywork. Just real problems, real ownership, and shipping things that matter.” Early‑stage, fast‑paced environment with a bias toward action. [criticalloop.com/careers](https://www.criticalloop.com/careers)
- **Location & work model**: Engineering roles (Senior Mechanical Engineer, Senior Electrical Engineer, Hardware Technical Program Manager) are listed as “Long Beach (On‑site).” Other roles may vary.
- **Notable perks**:
  - Equity ownership (stock options) for all team members.
  - 401(k) retirement savings plan.
  - Individual Coverage Health Reimbursement Arrangement (ICHRA) – a monthly allowance to choose health, dental, and vision plans.
  - Generous paid time off (unlimited for some roles, 15 days for others) and unlimited sick leave.

## Sources
1. [criticalloop.com](https://www.criticalloop.com/) – Main company site with product, deployment, and mission details.
2. [criticalloop.com/careers](https://www.criticalloop.com/careers) – Careers page with culture, perks, and open roles.
3. [criticalloop.com/about](https://www.criticalloop.com/about) – About page with mission, speed‑to‑power narrative, and customer segments.
4. [criticalloop.com/team](https://criticalloop.com/team) – Team page listing co‑founders and leadership backgrounds.
5. [jobs.ashbyhq.com/criticalloop](https://jobs.ashbyhq.com/criticalloop) – Active job listings with salary ranges and location details.

## Other roles at Critical Loop

- [Manufacturing Engineer - Mechnical](https://feeny.ai/job/manufacturing-engineer-mechnical-critical-loop-torrance-tn6yp99j33jg) — Torrance, CA
- [Manufacturing Engineer - Electrical](https://feeny.ai/job/manufacturing-engineer-electrical-critical-loop-torrance-aew2f6ng813y) — Torrance, CA
- [Engineering Technician](https://feeny.ai/job/engineering-technician-critical-loop-torrance-06h7xbs0atk6) — Torrance, CA
- [Lead Quality Systems Engineer](https://feeny.ai/job/lead-quality-systems-engineer-critical-loop-torrance-e4eqtkmpafpr) — Torrance, CA
- [Firmware Engineer](https://feeny.ai/job/firmware-engineer-critical-loop-torrance-rn46b6et28x2) — Torrance, CA
- [Test Engineer](https://feeny.ai/job/test-engineer-critical-loop-long-beach-eky9kfs81x5a) — Long Beach, CA
- [Senior Recruiter](https://feeny.ai/job/senior-recruiter-critical-loop-torrance-pybe53cahjft) — Torrance, CA
- [Operations Engineer](https://feeny.ai/job/operations-engineer-critical-loop-long-beach-65w0rfsr5fg3) — Long Beach, CA