Criticalloop

Operations Engineer

Long Beach (On-site). Posted 19 days ago

The role

Operations engineers support the deployment, operation, maintenance, and performance of a mobile BESS fleet and other distributed energy systems. The role involves field operations, troubleshooting, and working with hardware, controls, and software teams to validate power system architectures.

What you will do

  • Manage fleet scheduling, dispatch, deployment, and retrieval
  • Oversee site readiness, electrical connections, grounding, and system startup
  • Execute commissioning of battery energy storage and power systems
  • Develop and execute preventive and corrective maintenance plans
  • Lead hands-on troubleshooting of electrical, mechanical, battery, and power electronics issues
  • Serve as the primary escalation point for on-site and remote troubleshooting and customer support
  • Coordinate logistics, transportation, staging, and heavy equipment movement
  • Operate and test system control logic, state machines, and transitions
  • Maintain accurate documentation on fleet status, maintenance, telemetry, and performance
  • Communicate field findings to engineering teams and status to customers

Required qualifications

  • Experience operating or supporting battery energy storage systems or similar power assets in the field
  • Hands-on experience with power electronics and troubleshooting issues across hardware, software, and networking
  • Has worked with 480V or higher systems and can safely verify de-energized conditions before every touch
  • Experience using backend or controls software to monitor and operate energy systems
  • Customer-facing experience and strong communication skills
  • Comfortable managing work on a job site independently with minimal supervision
  • Familiarity with electrical safety practices and regulatory standards such as LOTO procedures and live-dead-live testing

Nice to have

  • Experience with BESS, UPS, inverters, DC infrastructure, portable switchgear, or microgrid systems
  • Experience with mobile or portable power systems and fleet management
  • Basic coding experience or familiarity with Python, Julia, R, or MATLAB
  • Experience writing or modifying site configurations and defining state transitions for deployed systems
  • Quality wiring, terminations, and ferrule work to a professional standard
  • Familiarity with fleet management systems or telemetry platforms
  • Familiarity with Modbus or similar industrial control protocols
  • Prior background in a startup or fast-scaling operations environment
  • Certifications in battery systems, heavy equipment operation, or electrical safety
  • Ability to lift 50-75 lbs and willingness to work outside in extreme elements

Benefits

  • Equity ownership through stock options
  • Comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance
  • Retirement savings plan
  • Unlimited paid time off

Before you apply

  • Critical Loop does not provide visa sponsorship for this role
  • Do not apply if you will need immigration support (i.e., H-1B, OPT training plans etc.)

About the company

Critical Loop is building the integrated edge grid of the future by specializing in advanced energy management and battery control systems. They drive innovation at the intersection of technology and energy to empower businesses and communities.