Heavy Diesel Mechanic

About J & L Truck Repair LLC

At J & L Truck Repair LLC, we are more than just a repair shop — we are a trusted partner for the trucking industry.
Family-owned and operated, our mission is to deliver precision, reliability, and unmatched service to every client who walks through our doors.

Located in Fontana, CA, we proudly serve local and regional fleets with a full range of heavy-duty truck repair and maintenance services.

We are expanding our operations and building a strong, motivated team that believes in growth, accountability, and excellence. Our leadership is committed to creating an environment where every team member has the opportunity to grow their skills, earn great pay, and build a long-term career.

Position: Diesel Mechanic (Heavy-Duty / Semi-Truck Division)

We’re seeking experienced Diesel Mechanics who take pride in their work, value professionalism, and thrive in a fast-paced shop environment.
If you are dependable, results-driven, and ready to be part of a company that’s scaling with purpose, we want to meet you.

Responsibilities

• Perform diagnostics, repairs, and preventive maintenance on heavy-duty trucks and trailers
• Inspect and repair engines, brakes, transmissions, suspensions, electrical systems, and air systems
• Conduct full welding and fabrication work when required
• Maintain a clean and safe work environment
• Collaborate with the shop manager and team to meet weekly production goals
• Deliver consistent, high-quality work that represents the J & L brand

Requirements

• Minimum 2 years of experience as a Diesel Mechanic (semi-truck experience preferred)
• Knowledge of Freightliner, Peterbilt, Kenworth, Volvo, and other major brands
• Strong diagnostic and problem-solving skills
• Reliable, motivated, and committed to long-term growth
• Must have basic tools (advanced tools a plus)
• Bilingual (English/Spanish) a plus but not required

Job Type: Full-time

Projected Total Compensation: $20.00 - $36.77 per hour

Benefits:

• Life insurance

Ability to Commute:

• Fontana, CA 92337 (Required)

Ability to Relocate:

• Fontana, CA 92337: Relocate before starting work (Required)

Work Location: In person