Mechanic Level 2

Overview

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.

• 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.

• 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.

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