Fleet Diesel Technician — Heavy-Duty & Overtime

Mid Valley Disposal; Fresno (CA); Hybrid; USD 700 - 104,000; Full time

Benefits offered by this job

401(k) matching

FSA contributions

Life & AD&D Insurance

Wellness programs

Community engagement opportunities

Overtime opportunities

Job summary

Mid Valley Disposal in Fresno, CA is seeking an experienced Technician III / Heavy-Duty Diesel Mechanic to maintain our fleet of Class 4–8 diesel trucks and heavy equipment. This full-time role requires hands-on repairs, preventive maintenance, and on-site service with strong diagnostics.

You'll work outdoors in varying weather, document repairs, and collaborate with the team to keep fleet uptime high. Required are 5+ years of mechanical experience, a valid Class C license, and proficiency with

Qualifications

• High school diploma or GED required.
• 5+ years of hands-on mechanical experience or equivalent certifications.
• Experience maintaining and repairing Class 4–8 vehicles and heavy equipment.
• Proficiency with diagnostic software and shop tools.
• Valid Class C Driver’s License.
• Ability to work outdoors in varying weather conditions and follow established safety procedures.
• Strong communication and problem-solving skills.
• Physically able to perform the duties (walking, bending, lifting, etc.).

Responsibilities

• Perform preventive, routine, and emergency maintenance on Class 4–8 diesel and CNG trucks and heavy equipment, including on-site repairs and road calls.
• Diagnose and repair mechanical, electrical, hydraulic, airbrake, steering, and suspension systems.
• Use diagnostic tools and manufacturer software, including Dossier, Cummins INSITE, and PACCAR DAVIE4.
• Review Driver Vehicle Inspection Reports (DVIRs) and complete necessary repairs.
• Perform welding and fabrication as needed.
• Accurately document repairs, parts used, and labor time.
• Identify and communicate repair needs and safety concerns.
• Maintain a clean, organized, and safe work environment.
• Support fleet uptime and participate in ongoing technical training.
• Wash or detail equipment when needed.

Education

High school diploma or GED

Tools

Diagnostic software

Diagnostic equipment

Power tools

Shop equipment

Job description

Mid Valley Disposal in Fresno, CA is seeking an experienced Technician III / Heavy-Duty Diesel Mechanic to maintain our fleet of Class 4–8 diesel trucks and heavy equipment. This full-time role requires hands-on repairs, preventive maintenance, and on-site service with strong diagnostics.

You'll work outdoors in varying weather, document repairs, and collaborate with the team to keep fleet uptime high. Required are 5+ years of mechanical experience, a valid Class C license, and proficiency with