Senior Diesel Technician

W.W.Williams Company • Atlanta, GA

18d • Onsite

About The Position

W.W. Williams is seeking two to three experienced Senior Diesel Technicians (Journeyman / Tech 1) for a full-time, day-shift, on-site position. The Senior Diesel Technician takes ownership of the shop’s most challenging diagnostic work, completes repairs correctly the first time, and helps junior technicians develop. The role focuses on fleet customers’ Class 6–8 trucks powered by Detroit, Cummins, and Allison systems, including difficult no-start, intermittent electrical, aftertreatment, and drivability issues.

Technicians diagnose, repair, road test, and document work. The position offers top-of-scale pay from day one plus overtime, paid OEM training scheduled during the first quarter, and a path to shop lead and the top technician tier. W.W. Williams provides technical and mechanical service and repair across a broad range of industrial power products and supports employees with training and development opportunities.

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, aftertreatment systems (DPF/SCR), electrical systems, and transmissions, through road testing.
• Professional tool set.
• Valid driver’s license.

Nice To Haves

• CDL-A driver’s license.

Responsibilities

• Take ownership of the shop’s toughest diagnostic jobs on fleet customers’ Detroit-, Cummins-, and Allison-powered trucks.
• Diagnose, repair, road test, and document repairs to get the job right the first time.
• Help junior technicians troubleshoot and resolve difficult issues.

Benefits

• Top-of-scale pay from day one.
• Overtime pay.
• Paid Detroit, Allison, and Cummins OEM training, scheduled during the first quarter.
• Eight paid holidays and one paid wellness day.
• Paid time off.
• Employee referral bonus program.
• Medical, dental, and vision insurance.
• 401(k) with company match.
• Company-paid training.
• Growth and leadership opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed