Master Diesel Mechanic - Motorcoach Fleet

Master Diesel Mechanic – Motorcoach Fleet
Golden Limousine International (GLI)
· Milan, MI
· Full-Time

Golden Limousine International is a premier luxury ground transportation company serving corporate, university, event, and private clients across Southeast Michigan and beyond. Our motorcoaches carry our clients and our reputation. Every trip depends on a coach that is safe, reliable, and road-ready. We’re looking for a Master Diesel Mechanic who takes ownership of that standard.

You’ll be the lead technical authority for our motorcoach fleet, primarily MCI and Temsa coaches. You’ll diagnose and repair heavy diesel systems, run our preventive maintenance program, keep us DOT-compliant, and mentor other technicians. You’ll also support the rest of our fleet as needed.

• Diagnose and repair MCI and Temsa motorcoaches: diesel engines (Cummins, Detroit Diesel), Allison and ZF transmissions, drivetrain, and axles
• Service air brake, air suspension, ABS, and steering systems
• Troubleshoot multiplexed electrical systems, aftertreatment (DPF/SCR/DEF), and engine controls using OEM diagnostic software
• Maintain coach HVAC, wheelchair lifts, and passenger comfort systems
• Perform DOT annual inspections and brake inspections, and prepare coaches for state and federal inspections
• Build and run preventive maintenance schedules to cut downtime and roadside failures
• Manage warranty claims and work with MCI, Temsa, and OEM dealers and parts suppliers
• Road‑test coaches after repairs
• Keep accurate work orders, parts usage, and repair histories
• Recommend repair‑vs‑replace decisions with cost in mind
• Train and mentor junior technicians, and enforce shop safety standards

• State of Michigan Mechanic Certification in heavy‑duty truck/bus categories (Master level preferred)
• ASE Master Medium-Heavy Truck Technician (T2–T8) or ASE Transit Bus certifications (H-series)
• Qualified to perform DOT annual inspections (49 CFR 396.19) and brake inspections (49 CFR 396.25)
• Valid CDL Class B or higher with Passenger (P) endorsement, or ability to obtain within [90] days
• EPA Section 609 (mobile A/C) certification
• [7+] years of heavy‑duty diesel experience, with at least [3] years on motorcoaches or transit buses
• Proficiency with diesel diagnostic tools such as Cummins INSITE, Detroit Diagnostic Link, and Allison DOC
• Clean driving record, and ability to pass a DOT drug screen and background check
• Own professional-grade hand tools

• Direct experience with MCI (J4500, D-Series) and Temsa coaches
• Manufacturer training from MCI, Cummins, Detroit Diesel, Allison, or ZF
• ASE L2 (Electronic Diesel Engine Diagnosis Specialist)
• Experience with ADA lift systems and coach HVAC
• Experience with fleet maintenance software

• $80,000–$125,000 annual salary
• Health, dental, insurance
• 401(k) with company match
• Paid time off and holidays
• Tool allowance and certification reimbursement
• A well‑equipped shop and a premium coach fleet
• Stable, year‑round work with a family‑owned company that values its people

Golden Limousine International is an Equal Opportunity Employer.