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 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.