Heavy-Duty Diesel Service Technician

Heavy-Duty Diesel Service Technician

Job Type: Full-Time
Pay: $25–$30 per hour, depending on experience
Schedule: Varies by business needs and assigned shifts (overtime may be available)

When the shop doors roll open, you’ll jump into diagnostics, maintenance, and repairs on diesel-powered trucks and equipment used in construction, agriculture, and fleet operations. If you take pride in solving complex mechanical problems and keeping machines safe and road-ready, this role puts your skills to work every day.

What You’ll Do

• Pinpoint issues and repair diesel engines, vehicles, and heavy equipment.
• Complete scheduled preventive maintenance, inspections, and fluid services.
• Troubleshoot electrical, hydraulic, pneumatic, and mechanical systems.
• Rebuild/replace engines, transmissions, brakes, steering, and suspension components.
• Handle oil changes, filter swaps, and other routine services to manufacturer standards.
• Identify emerging mechanical concerns to prevent costly downtime.
• Leverage diagnostic platforms and hand/power tools to verify and fix faults.
• Document work performed with accurate service and maintenance records.
• Follow safety procedures and keep the bay clean and organized.
• Support additional shop maintenance and mechanical tasks as needed.

What You Bring

• Hands-on experience as a diesel or heavy-duty mechanic (preferred).
• Background with diesel trucks, trailers, construction or agricultural equipment, or fleet vehicles.
• Sharp troubleshooting and diagnostic instincts across multiple systems.
• Ability to interpret technical manuals, diagrams, and schematics.
• Comfort using diagnostic tools and a wide range of mechanical equipment.
• Team player who can also work independently and own outcomes.
• Valid driver’s license preferred.
• Certifications or formal training are a plus—hands-on expertise is highly valued.

Technical Proficiencies

• Electrical Schematics
• Mechanical Troubleshooting Skills
• Pneumatics Experience
• Hydraulics Experience
• Electrical Systems Diagnostics & Repair
• Diesel Engine Systems
• Preventive Maintenance & Inspection
• Truck Operations & Load Securement
• Mechanical Assembly Skills
• Diesel & Heavy Equipment Systems
• Hydraulic Systems & Components
• Blueprint Reading

Equipment You May Work With

• Diesel Engine (Detroit Diesel)
• Diesel Vehicles (Ford, Jeep, Toyota, Honda, Kia)
• Peterbilt Truck
• Hydraulic Shear / Shearing Machine

Compensation & Schedule

• $25–$30/hr based on experience and skill set.
• Schedule varies with business needs and assigned shifts.
• Potential overtime opportunities.

Benefits Through Express

While working as an Express Associate, you can become eligible for a variety of benefits, including:

• Weekly Pay
• Direct Deposit
• Holiday Pay (6 Days Observed)
• Medical Plan
• Referral Bonuses

Associates may be required to work a specified number of hours and/or weeks before they become eligible for some benefits. Contact our office at (940) 312-7347, or by email dentontx@expresspros.com.

Ready to Keep Fleets Moving?

If you’re a skilled diesel professional who thrives on diagnostics and quality workmanship, we’d love to hear from you.