Summary
Overview
Work History
Education
Timeline
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Stefan Von Rueden

Marana,AZ

Summary

Heavy equipment professional with solid background in preventive maintenance and major repairs. Known for delivering efficient, reliable service and ensuring customer satisfaction. Excels in team settings, adapting to varying workloads and maintaining high-quality standards. Skilled in using diagnostic tools and adhering to safety protocols.

Overview

2026
2026
years of professional experience

Work History

Lube Technician

Empire Southwest
Tucson, AZ
10.2024 - Current

Lube tech. Perform visual and operational inspection on all Cat Equipment or other equipment based on client needs. Build reports and upload to client portfolio. Maintain current CDL and follow all FMCSA guidelines. Change all fluids and all filters on all Caterpillar equipment.

Owner Operator Truck Drivet

SKOL Trucking LLC
Marana, AZ
06.2021 - 10.2024
  • Managed day-to-day business operations.
  • Developed and maintained strong relationships with clients, resulting in repeat business and referrals.
  • Oversaw daily operations, ensuring all tasks were completed accurately and efficiently by team members.
  • Increased customer satisfaction by implementing efficient business processes and providing exceptional service.
  • Negotiated contracts with suppliers for better pricing and terms, reducing overall costs for the business.

Diesel Mechanic

W.W.Williams
Tucson, AZ
06.2017 - 03.2018
  • Utilized hand tools and power tools to repair and maintain diesel engines according to industry standards.
  • Performed preventive maintenance on engines, transmissions, tires, and other vehicle systems.
  • Troubleshot and diagnosed problems with brakes, steering, and transmissions.
  • Completed checklist of fluid levels, air filter, tire pressure, and more as part of service orders.
  • Diagnosed and repaired diesel engines to restore functionality in heavy-duty vehicles.
  • Inspected and adjusted brakes, steering systems and wheel bearings to address related issues.
  • Disassembled and repaired diesel engines in automobiles, trucks, buses, construction and Mining equipment

Mechanic

Atlas Copco
Tucson, AZ
2015 - 2017

Perform visual and operational inspection on drills. PV-271, PV-351, PV-311 drills. Tear down and rebuild drills on site.

Service Advisor

Liebherr Mining Equipment
Kearny, AZ
2010 - 2013
  • Educated customers on proper vehicle maintenance, fostering long-term relationships built on trust and loyalty.
  • Maintained high customer satisfaction standards to meet or exceed targets.
  • Managed multiple priorities simultaneously while maintaining strong attention to detail in a fast-paced environment.
  • Consistently met or exceeded monthly sales targets by upselling relevant products/services when appropriate.
  • Maintained detailed records of services performed, ensuring accuracy in billing and warranty claims processing.
  • Assisted in training new Service Advisors, sharing best practices for effective communication and problem-solving skills.
  • Collaborated with parts department to expedite necessary repairs, minimizing downtime for customers'' vehicles.
  • Enhanced customer satisfaction by providing timely and accurate service recommendations.
  • Perform truck builds and rebuild components. Perform diagnostic testing on hydraulic systems and high voltage electrical systems.
  • Adhere to MSHA safety standards

Diesel Mechanic

W.W.Williams
Tucson, AZ
2006 - 2010

Troubleshoot and repair MTU Engine 16V4000 series and 20V4000 series. R and R engines and main alternator.

Perform field service repairs on site at Asarco properties and FMI properties.

Education

None - Automotive

Pima Community College
Tucson, AZ

Timeline

Lube Technician

Empire Southwest
10.2024 - Current

Owner Operator Truck Drivet

SKOL Trucking LLC
06.2021 - 10.2024

Diesel Mechanic

W.W.Williams
06.2017 - 03.2018

Mechanic

Atlas Copco
2015 - 2017

Service Advisor

Liebherr Mining Equipment
2010 - 2013

Diesel Mechanic

W.W.Williams
2006 - 2010

None - Automotive

Pima Community College
Stefan Von Rueden