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.
Requirements
- 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 driver’s 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.
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