Cryogenic Trailer Mechanic II: Diagnostics & Repair

Cryogenic Industrial Solutions LLC; East Allen Township (PA); On-site; USD 54,000 - 78,000; Full time

Job summary

Cryogenic Industrial Solutions LLC seeks a skilled Level 2 Cryogenic Semi-Trailer Mechanic to perform mechanical, electrical, and pneumatic work on cryogenic and industrial-gas semi-trailers. You will diagnose, repair, and test brake, electrical, and cryogenic systems, while ensuring DOT compliance and safe operations.

Responsibilities include inspections, leak checks, documentation, and mentoring Level 1 mechanics, with emphasis on safety and regulatory standards.

Qualifications

• 2+ years of heavy-duty trailer or equipment repair experience.
• Knowledge of DOT, FMCSA, and CGA 341 requirements.
• Familiarity with cryogenic systems and vacuum-jacketed piping.
• Strong electrical and pneumatic diagnostic skills.
• Valid driver’s license; CDL-A preferred but not required.

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.

Skills

Heavy-duty trailer repair

Electrical diagnostics

Pneumatic diagnostics

DOT/FMCSA knowledge

Tools

Cryogenic systems familiarity

Job description

Cryogenic Industrial Solutions LLC seeks a skilled Level 2 Cryogenic Semi-Trailer Mechanic to perform mechanical, electrical, and pneumatic work on cryogenic and industrial-gas semi-trailers. You will diagnose, repair, and test brake, electrical, and cryogenic systems, while ensuring DOT compliance and safe operations.

Responsibilities include inspections, leak checks, documentation, and mentoring Level 1 mechanics, with emphasis on safety and regulatory standards.