Trailer Mechanic

The Cryogenic Semi-Trailer Mechanic Level 2 performs skilled mechanical, electrical, and pneumatic work on cryogenic and industrial-gas semi-trailers. This includes DOT-compliant brake, suspension, and lighting systems as well as cryogenic piping and vessel testing support.

Key Responsibilities:

• Diagnose, repair, and adjust brake systems, air lines, and suspensions per FMCSA 396.
• Perform electrical diagnostics and repairs, including 7-pin connectors, lighting, and ABS systems.
• Conduct internal/external cryogenic tank inspections under supervision (CGA 341 familiarity).
• Pressure-test and leak-check cryogenic plumbing using nitrogen or helium as directed.
• Perform general maintenance on valves, piping, and trailer subframes.
• Document work performed in accordance with DOT record-keeping standards.
• Mentor Level 1 mechanics and ensure adherence to shop safety policies.

Qualifications:

• 2 or more years of heavy-duty trailer or equipment repair experience.
• Working knowledge of DOT, FMCSA, and CGA 341 requirements.
• Familiarity with cryogenic systems, vacuum-jacketed piping, and related hardware preferred.
• Strong electrical and pneumatic diagnostic skills.
• Valid drivers license; CDL A preferred but not required.

Physical Requirements:
Lift 75 lbs, operate shop equipment (lifts, cranes, test stands), and work in confined spaces as needed.

Knowledge of industry specific tests and test equipment

What youll do:

Perform preventative maintenance and repair of trailer electrical, hydraulic and ABS brake systems

Read blueprints or other specifications/schematics

Troubleshooting of equipment

Follow all safety rules an

May be involved in safety committees or initiatives

Perform other duties as assigned