Mobile Master Diesel Mechanic

RATP Dev USA; United States; On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Medical/dental/vision benefits

401(k)

Paid holidays/vacation

Job summary

RATP Dev USA is hiring four experienced, safety-focused Mobile Master Diesel Mechanics for full-time, field-based national roles supporting transit fleets and approved customer assignments. Candidates from across the United States are encouraged to apply and must be prepared for extensive travel, including overnight deployments and up to 100% travel on active assignments.

The position offers competitive benefits, a bonus opportunity, and the chance to lead advanced diagnostics, heavy repair

Qualifications

• Seven years of progressive heavy-duty fleet maintenance experience.
• Transit-bus, motor-coach, or comparable commercial-vehicle background.
• High school diploma or equivalent; diesel tech schooling preferred.
• ASE/Master credentials strongly preferred for hiring.
• Ability to work independently and mentor others across sites.
• Must meet DOT/FMCSA and safety testing requirements.

Responsibilities

• Provide advanced diagnostics and complex mechanical/electrical repairs.
• Perform or lead engine/transmission replacement and major-component work.
• Conduct PM, condition, and safety inspections; document results.
• Support startups, fleet transitions, repair campaigns, and recovery projects.
• Mentor local technicians and uphold quality and safety standards.

Skills

Advanced diagnostics

Electrical troubleshooting

Heavy-duty maintenance

Fleet maintenance

Mentoring others

Education

High school diploma or equivalent

Diesel technical school or equivalent military training

Tools

Class A CDL with Air Brake & Passenger endorsements

ASE Master Transit Bus credentials

Job description

Mobile Master Diesel Mechanic (Up to 100% Travel)

RATP Dev USA is hiring four experienced, safety-focused Mobile Master Diesel Mechanics for full-time, field-based national roles supporting transit fleets and approved customer assignments. Candidates from across the United States are encouraged to apply.

Compensation

• 12–15% bonus opportunity based on skill level
• Benefits include medical/dental/vision, 401(k), and paid holiday/vacation, varying by role, location, and business.

Location and travel

United States — field-based / national. Recruiting across multiple U.S. regions; applicants do not need to live in Los Angeles. Extensive national travel, including overnight deployments and up to 100% travel during active assignments.

Responsibilities

Provide advanced diagnostics and complex mechanical/electrical repairs; perform or lead engine/transmission replacement, major-component work, and approved overhaul and midlife rehabilitation; conduct PM, condition, and safety inspections; document root causes, repairs, parts, labor, and verification; support startups, fleet transitions, repair campaigns, and recovery projects; use OEM diagnostics and specialized test equipment; mentor local technicians and uphold quality and safety standards.

Qualifications

• Minimum seven years of progressive heavy-duty fleet maintenance experience, including substantial transit-bus, motor-coach, or comparable commercial vehicle experience.
• High school diploma or equivalent required; diesel technical-school or equivalent military training highly preferred.
• Expert mechanical/electrical troubleshooting and strong heavy-repair capability.
• Class A or B CDL with Air Brake and Passenger endorsements required for assignments involving covered-bus road testing and maintained as a core qualification.
• ASE Master Transit Bus, ASE Master Medium/Heavy Truck, or equivalent OEM master-level credentials strongly preferred and may be required under the approved hiring standard.
• Ability to work independently, mentor others, and adapt to changing sites, schedules, fleets, and scopes.
• Must meet applicable company, site, DOT/FMCSA, and FTA drug-and-alcohol testing requirements for covered safety-sensitive duties.
• Ability to move components up to 50 lbs independently and use mechanical assistance for heavier items.

RATP Dev USA is an Equal Opportunity Employer and welcomes diversity.