Integration & Commissioning Technician

Symbio; Temecula (CA); On-site; USD 48,000 - 62,000; Full time

Job summary

Symbio seeks an experienced Integration & Commissioning Technician to support vehicle integration and hydrogen fuel cell system development. This full-time, on-site role begins January 2027 in Temecula, CA.

Compensation ranges from $35 to $45 per hour plus benefits. Responsibilities include assembling and installing hydrogen fuel cell systems in heavy‑duty vehicles, integrating harnesses, and performing diagnostic, functional, and reliability testing.

Qualifications

• Proven experience as a Mechanical Technician in prototype, automotive, or advanced technology environments.
• Strong ability to read and interpret mechanical drawings and technical documentation.
• Hands-on experience with mechanical assembly, testing, and troubleshooting.

Responsibilities

• Assemble and install hydrogen fuel cell systems in heavy‑duty vehicles.
• Integrate mechanical and electrical components, including harnesses.
• Perform diagnostic testing to identify issues within fuel cell systems.
• Conduct functional, performance, and reliability testing of fuel cell systems and components.
• Read and interpret mechanical schematics and diagrams for accurate assembly.
• Participate in commissioning, testing, and troubleshooting of prototypes.
• Maintain fuel cell systems and related components.
• Collaborate with design and engineering teams and provide feedback on installation procedures.
• Document all work and test results per industry and company standards.
• Adhere to hydrogen handling and high‑pressure safety protocols.

Skills

Mechanical assembly

Troubleshooting

Reading schematics

Documentation

Safety compliance

Job description

We are seeking an experienced Integration & Commissioning Technician to support vehicle integration and hydrogen fuel cell system development. This is full-time on-site position starting January 2027.

• Location: Temecula, CA
• Compensation range: $35–$45/hour + company benefits

Duties:

• Assemble and install hydrogen fuel cell systems and related mechanical components in heavy-duty vehicles.
• Integrate mechanical and electrical components, including harnesses.
• Perform diagnostic testing to identify and resolve mechanical issues within hydrogen fuel cell systems.
• Conduct functional, performance, and reliability testing of fuel cell systems and associated components.
• Read and interpret mechanical schematics, blueprints, and fuel cell system diagrams to ensure accurate assembly and installation.
• Participate in the commissioning, testing, and troubleshooting of hydrogen fuel cell prototypes.
• Conduct maintenance on fuel cell systems and related mechanical components.
• Collaborate closely with design and engineering teams to provide feedback and suggest improvements to system design and installation procedures.
• Document all work performed, including test results, repairs, and modifications, in compliance with industry and company standards.
• Ensure strict adherence to safety protocols, particularly those related to hydrogen handling and high-pressure systems.

Requirements:

• Proven experience as a Mechanical Technician, preferably in prototype, automotive, or advanced technology environments.
• Strong ability to read and interpret mechanical drawings, schematics, and technical documentation.
• Hands-on experience with mechanical assembly, testing, and troubleshooting.
• Familiarity with safety standards related to high-pressure systems and hazardous materials (hydrogen experience preferred).
• Ability to work independently while collaborating effectively with cross-functional teams.
• Strong documentation and communication skills.

You are our ideal candidate if you match the above description and:

• Have prior experience working on fuel cell trucks (Class 8, refuse, bus, drayage, etc.).
• Have experience with truck electrical architecture.

The hourly rate for this position is $35–$45 USD. Factors such as scope and responsibilities, candidate experience, education or training, job-related skills, internal equity, and market or business considerations may influence the final rate offered.