Diesel Technician

Diesel Technician positions currently available in the Marshall, Michigan area working at our client location who an established mobile truck & trailer repair shop.

The diesel technician positions are direct hire opportunities with availability on 1st and 2nd shift. One on-call weekend per month, depending on the technician’s experience level and readiness for roadside work.

1st shift schedule: 7:00 a.m. to 4:00 p.m.

2nd shift schedule: 3:00 p.m. to midnight-$4.00 shift premium for 2nd shift.

The Level 1 Diesel Technician performs preventive maintenance, routine service, and basic repairs within demonstrated skill levels. This role requires safe work practices, accurate documentation, and the ability to recognize when additional diagnostic support is needed. Pay rate is $22-28/hour at 1-3 years of experience.

The Level 2 Diesel Technician will diagnose and repair common diesel truck system faults with limited supervision. Identify root causes, recommend repairs, verify results, and maintain accurate service documentation. Pay rate is $28-35/hour at 3-7 years of experience.

The Level 3 Diesel Technician is a senior technical resource responsible for diagnosing complex diesel and aftertreatment issues, performing advanced repairs, identifying root causes of repeat failures, and supporting team quality and productivity with minimal supervision. Pay rate is $35–$45 per hour at 6+ years of experience.

Client company benefits available: BCBS health insurance, a 6% 401(k) match, two weeks of starting PTO, and nine paid holidays (7 major plus the Eve’s), all available after 90 calendar days from hire

• Perform scheduled maintenance, routine service, and basic repairs with known causes.
• Use service manuals, torque tools, battery testers, multimeters, and scan tools appropriately.
• Document inspection findings, measurements, repairs, parts used, and verification checks in Fullbay.
• Complete post-repair checks and verify proper installation and basic operation.
• Communicate additional repair needs, parts requests, delays, and safety concerns promptly.
• Obtain authorization before performing additional work.
• Maintain clean work areas, protect customer equipment, and follow approved procedures and safety requirements.

• At least one year of diesel technician or related mechanical experience.
• For Level II – At least four current ASE truck certifications recommended, prioritizing T2, T4, T6, and T8.
• For Level III – Maintain ASE Master Medium Heavy Truck credentials (T2–T8 recommended). Develop relevant OEM training; advanced diesel diagnostics training (ASE L2) is encouraged.
• Ability to interpret wiring diagrams, diagnostic procedures, and scan data.
• Basic preventive maintenance, inspection, and repair skills.
• Ability to follow service information, torque specifications, and safe lifting procedures.
• Strong attention to detail, communication, and documentation skills.
• Ability to recognize unfamiliar or complex issues and escalated them to a senior technician.
• Must meet applicable training, certification, inspection, and driving requirements for assigned duties.

Trillium has been recruiting and placing professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same: to achieve excellence by providing quality employees and an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of quality and skilled professionals.

Trillium is an Equal Opportunity Employer.