Senior Diesel Technician – Diagnostics & Heavy Equipment

4 Corners Repair & Restoration; Murrieta (CA); On-site; USD 62,000 - 83,000; Full time

Benefits offered by this job

Tools provided

Health Benefits Package

401(k) Employer Match

Vacation

Paid Holidays

CA Sick Time

Job summary

4 Corners Repair & Restoration is seeking an experienced Diesel Mechanic to diagnose, repair, and maintain diesel vehicles, trucks, equipment, and machinery in Murrieta, CA. The role requires troubleshooting challenging problems and performing major repairs across various equipment types.

You will use diagnostic software, scan tools, and testing equipment, documenting repairs and parts used. Valid CA driver’s license is preferred; Monday–Friday schedule with hours 7:00 a.m.–4:00 p.m.

Qualifications

• 5+ years of hands-on diesel repair experience preferred.
• Strong diesel diagnostic and troubleshooting skills.
• Experience with diesel engines, fuel systems, electrical systems, drivetrain, and heavy-duty components.
• Hydraulic and construction/heavy equipment experience strongly preferred.
• Able to independently diagnose problems and complete major repairs.

Responsibilities

• Diagnose and repair diesel engines and diesel-powered vehicles and equipment.
• Troubleshoot complex mechanical, electrical, and hydraulic issues.
• Diagnose fuel, cooling, intake, exhaust, and emissions systems.
• Repair electrical systems, wiring, sensors, starting and charging systems.
• Perform repairs to transmissions, drivetrains, brakes, steering, and suspension.
• Diagnose and repair hydraulic pumps, cylinders, hoses, fittings, and related components.
• Use diagnostic software, scan tools, testing equipment, and technical information to identify problems.
• Perform general Shop Mechanic duties, including preventive maintenance, inspections, routine service, general mechanical repairs, and component replacement on customer and company vehicles and equipment.
• Test vehicles and equipment after repairs to ensure safe and proper operation.
• Document repairs, parts used, and services performed.
• Maintain tools, equipment, and work areas in a clean, safe, and organized condition.
• Assist with general facility, grounds, and shop maintenance to support safe and efficient operations across the shared workspace.

Skills

Diesel repair

Diagnostics

Hydraulics

Electrical systems

Heavy equipment

Troubleshooting

Tools

Scan tools

Diagnostic software

Multimeters

Testing equipment

Job description

4 Corners Repair & Restoration is seeking an experienced Diesel Mechanic to diagnose, repair, and maintain diesel vehicles, trucks, equipment, and machinery in Murrieta, CA. The role requires troubleshooting challenging problems and performing major repairs across various equipment types.

You will use diagnostic software, scan tools, and testing equipment, documenting repairs and parts used. Valid CA driver’s license is preferred; Monday–Friday schedule with hours 7:00 a.m.–4:00 p.m.