Marine HV Electrical Systems Technician

Lemonergy; Torrance (CA); On-site; USD 63,000 - 69,000; Full time

Benefits offered by this job

Healthcare benefits

Parental leave

Generous PTO

Life and disability insurance

401(k) retirement plan

Water-related recreation allowance

Professional development stipend

Job summary

Arc is hiring for an on-site Commercial Build Engineer in Los Angeles, with up to 75% travel to support electrical and mechanical integration on high-voltage marine systems. You will build wire harnesses, install interfaces, and diagnose 1000V DC and 480V AC equipment while working with a lean, high-trust team.

The role requires 4+ years in high-voltage environments, experience reading schematics and diagrams, and ability to operate in dockside and on-water settings. ITAR compliance is required.

Qualifications

• 4+ years of experience working with high-voltage systems (EV, industrial, marine, or similar).
• Familiarity with electrical communication systems (CAN, Modbus, Ethernet, or similar).
• Experience reading and interpreting electrical schematics, system diagrams, and mechanical drawings.
• Experience using standard electrical diagnostic tools (multimeters, etc.) to verify system functionality.
• Experience building processes from inception to execution, including work instruction documentation.
• Up to 75% travel (local + occasional remote), including dockside and on-water work environments.
• Able to stand 6–10 hours per day and lift up to 50 lbs.
• Able to board and work in, around and on water vessels.
• This position may require access to export-controlled information. To comply with U.S. export control laws, applicants must be a U.S. Person as defined by ITAR.

Responsibilities

• Assembling and integrating electrical and mechanical systems
• Building and routing wire harnesses, including fiber optic cable assemblies where applicable
• Installing and terminating electrical components and communication interfaces (CAN, Ethernet, Modbus, etc.)
• Diagnosing electrical issues in 1000V DC and 480V AC systems
• Assembling pneumatic and hydraulic systems
• Assembling cooling systems
• Supporting development builds and prototype systems
• Supporting sea trials, deployments, and customer-facing technical operations
• Performing root-cause troubleshooting with the ability to provide efficient resolutions

Skills

High-voltage systems

Electrical communications

Reading schematics & diagrams

Electrical diagnostic tools

Process documentation

Travel up to 75%

Physical endurance

Water vessel access

ITAR compliance (US Person)

Tools

Diagnostics tools

Job description

Arc is hiring for an on-site Commercial Build Engineer in Los Angeles, with up to 75% travel to support electrical and mechanical integration on high-voltage marine systems. You will build wire harnesses, install interfaces, and diagnose 1000V DC and 480V AC equipment while working with a lean, high-trust team.

The role requires 4+ years in high-voltage environments, experience reading schematics and diagrams, and ability to operate in dockside and on-water settings. ITAR compliance is required.