Field Operations Engineer - Battery Energy Storage

Critical Loop; Long Beach (CA); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Stock options

Health coverage

Retirement plan

Unlimited PTO

Job summary

Critical Loop is hiring a Site Operations Engineer in California to support deployment, operation, maintenance, and performance of our mobile BESS fleet and other distributed energy systems. You will ensure safe field operations, drive rapid customer response, and maintain high system uptime across active sites.

You will work closely with controls and software teams to validate control logic on diverse power applications.

Qualifications

• Experience operating or supporting battery energy storage systems or similar power assets in the field.
• Customer-facing experience and strong communication skills.
• Comfortable working independently on a job site with minimal supervision.

Responsibilities

• Manage fleet scheduling, dispatch, deployment, and retrieval to ensure reliable service delivery.
• Oversee site readiness, electrical connections, grounding, and system startup during deployments.
• Execute commissioning of battery energy storage and power systems in the field with safe de-energized checks.
• Develop and execute preventive and corrective maintenance plans to maximize fleet uptime.
• Lead hands-on troubleshooting of electrical, mechanical, battery, and power electronics issues using a structured diagnostic process.
• Coordinate logistics, staging, and heavy equipment movement for deployments.
• Operate and test system control logic and state transitions between operating modes.
• Maintain documentation on fleet status, telemetry, and system performance.

Skills

Customer-facing

Strong communication

Independent field work

Electrical safety awareness

Tools

Power electronics

Field maintenance

Modbus protocols

Telemetry platforms

Job description

Critical Loop is hiring a Site Operations Engineer in California to support deployment, operation, maintenance, and performance of our mobile BESS fleet and other distributed energy systems. You will ensure safe field operations, drive rapid customer response, and maintain high system uptime across active sites.

You will work closely with controls and software teams to validate control logic on diverse power applications.