Diesel Mechanic

Job Title: Diesel Mechanic

Location: Marana, AZ

Job Type: Full-Time

Job Overview:

Turner Staffing Group is partnered with a mining company in Marana, Arizona that is seeking experienced Diesel Mechanics to join their maintenance team. This role is responsible for diagnosing, repairing, and maintaining heavy mobile equipment and support equipment to ensure safe and reliable mine operations.

Key Responsibilities:

• Perform preventive maintenance and repairs on heavy mining equipment, including haul trucks, loaders, dozers, excavators, and support equipment

• Diagnose mechanical, hydraulic, and electrical issues using appropriate diagnostic tools

• Troubleshoot and repair engines, transmissions, braking systems, and hydraulic systems

• Conduct inspections to identify wear, damage, or safety concerns

• Complete work orders and maintenance documentation accurately and timely

• Follow MSHA regulations and company safety procedures at all times

• Work closely with operations and maintenance teams to minimize equipment downtime

• Maintain a clean and organized work area

• Assist with component rebuilds and field repairs as needed

Qualifications:

• High school diploma or GED required; technical or trade school preferred

• Minimum of 3–5 years of experience as a Diesel Mechanic, preferably in a mining or heavy equipment environment

• Strong knowledge of diesel engines, hydraulics, and electrical systems

• Experience working on heavy equipment such as CAT, Komatsu, or similar OEMs preferred

• Ability to read and interpret schematics, manuals, and service documentation

• Strong troubleshooting and problem-solving skills

• Valid driver's license required

Physical Requirements:

• Ability to lift up to 50 pounds

• Ability to work in outdoor environments with exposure to dust, noise, and temperature extremes

• Must be able to climb, bend, kneel, and stand for extended periods

Schedule:

• Schedule may include days, nights, weekends, and overtime as required

Safety Commitment:

• Commitment to working safely and complying with MSHA and site-specific safety policies