Senior Diesel Technician: Master Diagnostics & Lead Tech

W.W.Williams; Detroit (MI); On-site; USD 55,000 - 83,000; Full time

Benefits offered by this job

8 Paid Holidays & 1 Paid Wellness Day

Paid Time Off

Employee Referral Bonus Program

Medical, Dental & Vision Insurance

401k with Company Match

Company Paid Training

Growth & Leadership Opportunities

Job summary

W.W. Williams in Detroit, MI is seeking senior diesel technicians for a full-time, day-shift, on-site role.

You will own the most challenging diagnostic work and ensure repairs are completed right the first time while mentoring junior technicians. Ideal candidates have 7+ years on Class 6–8 trucks, ASE M/H Truck certification, OEM certs (DTNA/Allison/Cummins), and strong diagnostic skills with DiagnosticLink/INSITE/Allison DOC.

Qualifications

• 7+ years as journeyman/Tech 1 on Class 6–8 trucks.
• ASE Medium/Heavy Truck certified (full T2–T8).
• OEM certifications: Detroit (DTNA), Allison and Cummins.
• Strong electronic diagnostics: DiagnosticLink, Cummins INSITE, Allison DOC.
• Engine, aftertreatment, electrical and transmission repair from diagnosis to road test.
• CDL-A license is a plus.

Responsibilities

• Own the toughest diagnostic jobs in the shop on fleet trucks.
• Diagnose, repair, road test and document results.
• Be the go-to tech who helps junior techs get unstuck.

Skills

Journeyman Tech 1 (Class 6-8)

ASE M/H Truck

OEM certs (DTNA/Allison/Cummins)

Electronic diagnostics

Engine/aftertreatment repair

CDL-A (plus)

Tools

DiagnosticLink

Cummins INSITE

Allison DOC

Job description

W.W. Williams in Detroit, MI is seeking senior diesel technicians for a full-time, day-shift, on-site role.

You will own the most challenging diagnostic work and ensure repairs are completed right the first time while mentoring junior technicians. Ideal candidates have 7+ years on Class 6–8 trucks, ASE M/H Truck certification, OEM certs (DTNA/Allison/Cummins), and strong diagnostic skills with DiagnosticLink/INSITE/Allison DOC.