Automotive & Medium‑Duty Diesel Shop Foreman

Lead the Line. Turn Wrenches. Build a Stronger Shop.

At Job Site Repair in Mahtomedi, we’re a family-owned truck repair shop (est. 1989) offering steady, year-round work. We’re hiring a hands-on leader to guide the workflow while staying on the floor solving complex problems.

A day in this role

You arrive, review the board, and sequence jobs for the night. You assign work to techs, jump into a tough drivability concern, consult on an electrical issue, and make sure the right parts are on the way. You keep the shop safe, organized, and productive—while mentoring the team and communicating clearly with customers and ownership.

Equipment you’ll service

Medium-duty diesel trucks

Gas trucks

Fleet vehicles, including step vans and box trucks

Core responsibilities

Oversee daily shop workflow: prioritize tickets and assign jobs Perform automotive and diesel repairs and preventive maintenance

Diagnose mechanical and electrical faults using scan tools and software

Support techs with troubleshooting and complex repairs

Inspect vehicles, verify repairs with road tests, and recommend present/future work Source, order, and coordinate parts; work closely with vendors and manage inventory considerations

Communicate timelines, findings, and recommendations to customers and ownership

Ensure inspections are completed and critical components are safe Train, coach, and motivate mechanics to elevate quality and efficiency

Maintain a safe, clean, well-organized shop; ensure tools/equipment are in safe operating condition

Perform other duties as assigned

Schedule

Monday–Friday Evening shift: 5:00 PM–2:00 AMNo weekends

What you bring

At least 7 years of hands-on automotive and/or diesel repair experience

Background with medium-duty trucks, gas and diesel platforms, and fleet vehicles

Prior lead tech, foreman, or supervisory exposure preferred

Expert mechanical and electrical diagnostics and troubleshooting

Proven ability to prioritize work, assign tasks, and keep jobs moving

Leadership style that guides, supports, and develops other mechanics

Dependable, organized, and comfortable working independently

Clear communicator with team members, customers, vendors, and ownership

Strong safety mindset and pride in workmanship

Valid driver’s license

Ability to pass a background check

Benefits & perks
401(k) with company match

Health and dental insurance

Paid time off Employee referral program

Birthday, work anniversary, and holiday recognition

Consistent Monday–Friday schedule with no weekends

Stable, family-owned company established in 1989

Technical strengths we value

Engine Performance & Drivability Diesel Engine Systems Brake & Suspension Systems Preventive Maintenance & Inspection Automotive Repair Engine Repair Brakes Engine  Performance Light Vehicle Diesel Engines Oil Changes Fuel Systems Diesel & Heavy Equipment Systems Automotive Repair & Service Systems Machines & technologies you’ll use Diesel Engine Diesel Vehicles Compliance Ability  to pass a background check

Ready to lead by example and elevate a solid team? Apply to join Job Site Repair in Mahtomedi.