Diesel Technician III

Description Purpose

This position is responsible for performing maintenance and repairs on diesel and non-diesel vehicles and heavy equipment to ensure safe and reliable performance of the vehicle and/or equipment, as well as provide guidance and assistance to Diesel Technicians I and II.

• Ensure compliance with safety regulations, environmental standards, and company policies.
• Contribute to a positive, team-oriented culture while upholding the company’s core values.
• Change and repair tires per manufacturer specifications.
• Perform oil and filter services on automobiles, concrete trucks, tractor-trailers, front-end loaders, and several types of equipment.
• Perform diagnostics and repairs on electrical systems ranging from auxiliary components (e.g., lighting, switches) to complex 12V and 24V primary electrical architectures on fleet trucks and heavy equipment.
• Assess power and hydraulic systems to ensure operation per manufacturer specifications.
• Complete required lubrication and greasing of all wear items on affected trucks and equipment.
• Diagnose and repair wheel bearings, hub assemblies, and seals on steer and drive axles.
• Remove and repair universal and slip joints and support bearings on drive shafts.
• Diagnose and repair air and hydraulic brake systems and pressurized water systems.
• Perform major diagnosis and repair of gas and diesel engines.
• Complete engine reconditioning service.
• Diagnose and repair fuel injection, transmission, and regeneration systems using laptop and scan diagnostic tools.
• Remove, disassemble, diagnose, and repair differentials.
• Remove and repair automatic and manual transmissions.
• Perform service calls to diagnose and repair off-site trucks and equipment using company service vehicle.
• Return affected vehicles or equipment to service as efficiently as possible, while ensuring accurate repairs have been made.
• Maintain cleanliness and orderliness of the company service vehicle.
• Ensure that all tools and equipment is returned to the proper location in the company service vehicle.
• Use pressure washer to maintain cleanliness of the equipment.
• Maintain clean and organized work area.
• Follow repair order directions.
• Complete write-up and provide accurate description or repairs made and parts utilized in a timely manner.
• Coordinate procurement of required components and ensure timely return of core parts to the Parts Department in accordance with inventory and warranty protocols.
• Work closely with Area Fleet Manager to maintain positive workflow throughout the shop.
• Provide guidance and assistance to Diesel Technicians I and II when needed.
• Perform other duties as assigned.

• Valid Driver’s License required.
• High School Diploma/GED preferred.
• Auto or diesel technology diploma from an accredited technical school preferred; or minimum of 5 years’ experience performing maintenance or mechanical ability.
• ASE Certifications preferred.
• Commercial Driver’s License Class A or B preferred.
• Ability to operate a manual transmission vehicle to determine if it is operating properly.
• Must provide own hand tools & toolbox.
• Knowledge of handheld scanning tools and the process of diagnosing vehicles.
• Ability to read schematics and familiarity with the process.
• Proficient computer skills: knowledge of Excel, Word, Fleet Management Systems, and Email
• Strong written and verbal communication skills (documentation, communication with peers, supervisors, etc.)

• Ability to lift a minimum of 60 lbs. from floor to waist height.
• Ability to carry a minimum of 60 lbs. over a 5-foot span.
• Ability to push/pull a minimum of 50 lbs. across a 10-foot span.
• Ability to lift a minimum of 20 lbs. from waist to shoulder.
• Use their hands to handle, control, or feel objects, tools, or controls.
• Ability to stand for long periods of time.
• Ability to bend or twist body without restriction.
• Ability to kneel, stoop, crouch, or crawl.
• Ability to work in extreme weather, including but not limited to high heat, low temperature, and high sun environments.