Senior Diesel Diagnostics Tech - Top Pay & Training
W.W.Williams Company
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Benefits offered by this job
Job summary
W.W. Williams Company in West Columbia, SC is seeking a Senior Diesel Technician for a full-time, on-site role. You will own the toughest diagnostic jobs on Detroit, Cummins, and Allison-powered trucks, performing repairs from diagnosis to road test while mentoring junior technicians.
We offer top-of-scale pay, overtime, extensive OEM training, and a clear path to leadership within a regional network. A strong tool set, ASE certifications, and a CDL-A are valued as you tackle complex engine and
Qualifications
- 7+ years as a journeyman / Tech 1 on Class 6–8 trucks.
- ASE certified (full T2–T8)
- OEM certifications: Detroit, Allison and/or Cummins.
- Strong electronic diagnostics: DiagnosticLink, Cummins INSITE, Allison DOC, laptop-based troubleshooting.
- 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 customers’ Detroit, Cummins and Allison-powered trucks.
- Diagnose, repair, road test and document the fix to ensure first-time correctness.
- Be the go-to tech who helps junior techs get unstuck.
Skills
Tools
Job description
W.W. Williams Company in West Columbia, SC is seeking a Senior Diesel Technician for a full-time, on-site role. You will own the toughest diagnostic jobs on Detroit, Cummins, and Allison-powered trucks, performing repairs from diagnosis to road test while mentoring junior technicians.
We offer top-of-scale pay, overtime, extensive OEM training, and a clear path to leadership within a regional network. A strong tool set, ASE certifications, and a CDL-A are valued as you tackle complex engine and
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