Diesel Mechanic

Cryogenic Industrial Solutions; Fort Collins (CO); On-site; USD 60,000 - 85,000; Full time

Job summary

Cryogenic Industrial Solutions in Fort Collins, CO is seeking a Level 2 Cryogenic Semi-Trailer Mechanic to perform skilled mechanical, electrical, and pneumatic work on cryogenic and industrial-gas semi-trailers. You will service DOT-compliant brake, suspension, and lighting systems and support cryogenic piping testing.

The role requires 2+ years of heavy-duty trailer repair, knowledge of DOT/FMCSA, and strong diagnostics.

Qualifications

• 2+ years of heavy-duty trailer or equipment repair experience.
• Working knowledge of DOT, FMCSA, and CGA 341 requirements.
• Familiarity with cryogenic systems and vacuum-jacketed piping preferred.
• Strong electrical and pneumatic diagnostic skills.

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

DOT/FMCSA knowledge

Cryogenic systems familiarity

Electrical and pneumatic diagnostics

Valid driver’s license

CDL A preferred

Job description

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.