Automotive & Medium‑Duty Diesel Shop Foreman

Job Description

Job Description

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 AM
• No 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.