About this role
Lead Fleet Diesel Mechanic
Location: Gillette, WY
Pay: $30-$40 per hour + Overtime
Schedule: Monday–Friday | Typically 5:00 AM – 5:00 PM
Benefits: Medical, Dental, Vision
About the Role
On behalf of our client, we are seeking an experienced Lead Fleet Diesel Mechanic to join a growing team in Gillette, Wyoming. This is a hands-on working position focused primarily on diagnosing, repairing, and maintaining the company's fleet of diesel trucks, trailers, and support vehicles.
You'll spend most of your day troubleshooting equipment and performing repairs. Someone who is interested in growing into additional leadership responsibilities over time is a plus.
Our equipment operates across the state of Wyoming, so when trucks and equipment are in the shop, quality repairs, preventative maintenance, and attention to detail are critical.
Key Responsibilities
Fleet & Equipment Maintenance
Perform advanced diagnostics, troubleshooting, and repairs on:
- Diesel trucks (Peterbilt, Kenworth, Freightliner, Western Star, and similar)
- Trailers and CDL fleet vehicles
- Construction support vehicles
- Heavy construction equipment as needed, including excavators, dozers, graders, loaders, haul trucks, and compactors
Repair and replace:
- Diesel engines
- Transmissions
- Hydraulic systems
- Electrical systems
- Brake systems
- Steering and suspension components
- Fuel systems
Perform preventative maintenance including:
- Oil and fluid changes
- Filter replacements
- DOT inspections
- Equipment inspections
- Scheduled maintenance services
Fabricate hydraulic hoses and perform basic welding and fabrication as needed.
Required Qualifications
- 2+ years of experience repairing diesel trucks, semi-trucks, fleet vehicles, or heavy equipment
- Strong diagnostic and troubleshooting skills
- Experience repairing diesel engines, hydraulics, electrical systems, brakes, steering, and suspension
- Ability to read and interpret service manuals, schematics, and wiring diagrams
- Strong work ethic with excellent problem-solving abilities
- Ability to prioritize work in a fast-paced shop environment
- Must supply and maintain personal mechanic hand tools
Preferred Qualifications
- Experience working on Peterbilt, Kenworth, Freightliner, Western Star, Cummins, Detroit, CAT, or similar equipment
- Technical training in diesel technology or heavy equipment repair
- CDL license
- ASE Medium/Heavy Truck certifications
- Experience using diagnostic software and maintenance tracking systems
Equivalent work experience may be considered in place of certifications.
Work Environment
- Work is performed primarily in a maintenance shop with occasional outdoor work as needed.
- Exposure to diesel equipment, noise, vibration, dust, grease, and varying weather conditions.
- Monday–Friday schedule with regular overtime opportunities.
Physical Requirements
- Lift 50–75 lbs regularly (up to 100 lbs with assistance)
- Frequent standing, kneeling, bending, climbing, and working around heavy equipment
- Ability to work in confined spaces and elevated areas
Why Join Our Team
- Competitive hourly pay with consistent overtime opportunities
- Medical, dental, and vision benefits
- Stable, growing company with long-term career opportunities
- Opportunity to grow into additional leadership responsibilities
- Work alongside an experienced team that values quality workmanship, safety, and teamwork
If you're an experienced diesel mechanic who takes pride in quality repairs, enjoys solving challenging problems, and wants to grow with a company, we'd love to hear from you.
Posting Statement
All qualified applicants will receive consideration for employment without regard to race, color, religion, religious creed, sex, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, military and veteran status, marital status, pregnancy, gender, gender expression, gender identity, sexual orientation, or any other characteristic protected by local law, regulation, or ordinance.
