Senior Diesel Technician
About The Position
W.W. Williams is seeking two to three highly skilled Senior Diesel Technicians (Journeyman / Tech 1) to handle the shop’s most challenging diagnostic and repair work and help junior technicians develop. This is a full-time, day-shift, on-site position focused on Class 6–8 trucks powered by Detroit, Cummins and Allison systems. The role involves diagnosing and repairing engines, aftertreatment systems, electrical systems and transmissions, then road-testing and documenting repairs. The position is intended for experienced technicians rather than entry-level applicants. The company offers top-of-scale pay from day one, overtime, paid OEM training, and a stated path to shop lead and the top technician tier. W.W. Williams describes its work as providing technical and mechanical service and repair to a varied customer base, and highlights training and development opportunities in a welcoming, diverse and inclusive environment.
Requirements
- At least 7 years of experience as a journeyman / Tech 1 working on Class 6–8 trucks.
- ASE Medium/Heavy Truck certification covering the full T2–T8 series.
- OEM certifications in Detroit (DTNA), Allison and/or Cummins.
- Strong electronic diagnostic skills, including DiagnosticLink, Cummins INSITE, Allison DOC and laptop-based troubleshooting.
- Experience diagnosing and repairing engines, DPF/SCR aftertreatment, electrical systems and transmissions, through road test.
- Own professional tool set.
- Valid driver’s license.
Nice To Haves
- CDL-A driver’s license.
- Detroit, Allison and Cummins OEM training is offered and scheduled during the first quarter of employment.
Responsibilities
- Own the shop’s most challenging diagnostic jobs on fleet customers’ Detroit-, Cummins- and Allison-powered trucks.
- Diagnose and repair engine, aftertreatment, electrical and transmission problems, including no-start, intermittent electrical and drivability issues.
- Road-test and document completed repairs.
- Help junior technicians resolve technical problems and develop their skills.
Benefits
- Top-of-scale pay from day one.
- Overtime.
- Paid Detroit, Allison and Cummins OEM training.
- 8 paid holidays and 1 paid wellness day.
- Paid time off.
- Employee referral bonus program.
- Medical, dental and vision insurance.
- 401k with a company match.
- Growth and leadership opportunities.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
