Joshua Truax
Safford,AZ
Summary
Diesel Diagnostic Mechanic with extensive experience at Freeport McMoRan, excelling in troubleshooting heavy duty equipment, utilizing Cat SIS and Cat ET. Proven ability to enhance fleet performance through meticulous preventative maintenance inspections and effective repairs, while prioritizing workplace safety to ensure operational excellence. Committed to delivering high-quality results in a fast-paced environment.
Night shift UPS fleet repair experience with Harris Automotive. Ability to diagnose and repair light duty and some medium duty Automotive equipment.
Overview
9
9
years of professional experience
Work History
Diesel Mechanic
Waste Managment
06.2025 - 01.2026
- Troubleshot mechanical, electrical, and hydraulic systems and components
- Worked with drivers to get a better understanding of issues with their trucks to provide a quicker and more efficient repair
- Maintained a clean and safe work environment before, during, and after repairs were made
- Conducted routine maintenance on diesel engines, loading, and compaction systems to ensure optimal performance.
- Documented findings and actions taken.
Diesel Diagnostic Mechanic
Freeport McMoRan
01.2019 - 06.2025
- Kept equipment in good working order by following operating instructions, troubleshooting breakdowns, and maintaining supplies.
- Worked on equipment in a timely manner while maintaining a level of safety above all.
- Replaced damaged, missing, or defective parts with new and refurbished components.
- Completed full equpiment inspections to check for leaks, damage, or other issues of concern.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Utilized provided services for diagnostics and parts ordering i.e: CatSIS and CAT ET
- Troubleshot mechanical, electrical, and hydraulic components and circuits
- Helped in all areas when needed: major component repairs (PCR), PM/ lube shop, field PM's, field mechanic.
Mechanic
Harris Automotive
06.2017 - 12.2018
- Analyzed and located malfunctions in brakes, motors, switches, and control systems.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
- Inspected and tested equipment to locate worn and damaged parts.
- Performed preventative maintenance oil changes and brake jobs to preserve performance and reliability of vehicles.
- Serviced air conditioning systems, changed and topped off fluids and completed maintenance inspections.
- Repaired brake, exhaust, electrical and other systems for domestic automotive brands.
Education
Associates In Applied Science - Automotive
Northland Pioneer College
Show Low, AZSkills
- Hydraulic, electrical, mechanical troubleshooting
- Vehicle and equipment inspections
- Fleet management
- Welding and cutting
- Work order management
- Workplace safety
- Heavy equipment repair
- Preventive Maintenance
- Parts finding and ordering
- Troubleshooting following schematics and diagnostic trees
Timeline
Diesel Mechanic
Waste Managment
06.2025 - 01.2026
Diesel Diagnostic Mechanic
Freeport McMoRan
01.2019 - 06.2025
Mechanic
Harris Automotive
06.2017 - 12.2018
Associates In Applied Science - Automotive
Northland Pioneer College