Senior Diesel Technician — Diagnostics Expert (On-Site)

W.W.Williams Company; Birmingham (AL); On-site; USD 55,000 - 76,000; Full time

Benefits offered by this job

Paid holidays

Paid time off

Referral bonus

401k

Company paid training

Job summary

W.W. Williams Company seeks two to three Senior Diesel Technicians. You will own the toughest diagnostic jobs on fleet trucks, diagnose, repair, road test and document results.

This is a day-shift, on-site role with competitive overtime and a clear path to advancement. We offer factory training on Detroit, Allison and Cummins OEM systems, plus a comprehensive benefits package and paid holidays. Must have 7+ years on Class 6–8 trucks and a valid CDL-A helps.

Qualifications

• 7+ years as a journeyman / Tech 1 on Class 6–8 trucks.
• ASE Medium/Heavy Truck certified (full T2–T8).
• OEM certifications: Detroit (DTNA), Allison and/or Cummins.
• Strong electronic diagnostics: DiagnosticLink, Cummins INSITE, Allison DOC, laptop-based troubleshooting.
• Engine, aftertreatment (DPF/SCR), electrical and transmission repair, from diagnosis to road test.
• Your own professional tool set and a valid driver’s license (CDL-A a plus).

Responsibilities

• Own the toughest diagnostic jobs in the shop on fleet customers’ Detroit, Cummins and Allison-powered trucks.
• Get it right the first time: diagnose, repair, road test and document it.
• Be the go-to tech who helps junior techs get unstuck.
• A phone call within 48 hours of applying.
• A shop visit and interview within 5 days.
• An offer within 48 hours of your interview.

Skills

Journeyman/Tech 1 (7+ years)

Electronic diagnostics

Own tool set

Valid driver’s license

OEM certifications: Detroit AllisonCum

Tools

DiagnosticLink

Cummins INSITE

Allison DOC

Laptop-based troubleshooting

Job description

W.W. Williams Company seeks two to three Senior Diesel Technicians. You will own the toughest diagnostic jobs on fleet trucks, diagnose, repair, road test and document results.

This is a day-shift, on-site role with competitive overtime and a clear path to advancement. We offer factory training on Detroit, Allison and Cummins OEM systems, plus a comprehensive benefits package and paid holidays. Must have 7+ years on Class 6–8 trucks and a valid CDL-A helps.