Senior Diesel Mechanic

Ten Ton Truck Center & Forklift Repair is looking for an experienced Senior Diesel Mechanic to join our Buena Park, CA shop and take ownership of complex diagnostics, repairs, and troubleshooting across a range of trucks, forklifts, reefers, trailers, and other heavy-duty equipment.

This role is designed for a highly experienced technician who can work independently, diagnose difficult problems, and help maintain a high standard of workmanship throughout the shop.

• $35–$40/hour
  , depending on experience and qualifications
• Opportunities to take on advanced technical responsibilities
• Additional benefits and employment details to be confirmed by the employer

• Diagnose and repair complex mechanical, electrical, and electronic problems
• Perform advanced troubleshooting using diagnostic software, scan tools, testing equipment, and technical information
• Work on engines, transmissions, brakes, steering, suspension, cooling, fuel, exhaust, and electrical systems
• Diagnose difficult or recurring equipment problems and determine appropriate repair solutions
• Inspect trucks, forklifts, reefers, trailers, and other equipment for mechanical and safety concerns
• Perform preventive maintenance and major repair work
• Complete emissions-related diagnostics and repairs as applicable
• Test equipment before and after repairs to confirm proper operation
• Accurately document diagnostic findings, repairs, and parts used
• Communicate technical findings and repair recommendations to management and service personnel
• Assist less-experienced technicians with difficult repairs and troubleshooting when needed
• Maintain a clean, organized, and safe work area
• Follow company safety procedures and applicable regulatory requirements

• Strong hands-on experience in diesel, heavy-duty equipment, automotive, or related mechanical repair
• Ability to independently diagnose complex mechanical and electrical problems
• Strong understanding of diagnostic procedures and repair practices
• Comfortable using professional hand tools, shop equipment, and diagnostic technology
• Ability to read and interpret technical manuals, schematics, and repair information
• Strong problem-solving skills and attention to detail
• Ability to work independently while supporting the overall shop team
• Valid California driver's license required
• ASE or other relevant certifications are a plus

This is a hands-on repair shop environment with exposure to vehicles and equipment, mechanical components, fumes, and moderate to high noise levels. The position requires standing, walking, bending, kneeling, reaching, and lifting tools and parts as part of normal shop work.

If you're an experienced technician who can take ownership of complex repairs and help keep heavy-duty equipment operating safely and reliably, we'd like to hear from you.