Sean Arnold
Oklahoma City,OK
Summary
Dependable automotive professional possesses knowledge and understanding of diesel engines, systems, and components. Successfully troubleshoots and repairs issues in both diesel and gas engines. Proven ability to collaborate effectively with team members and utilize advanced technology to identify and repair complex problems.
Overview
8
8
years of professional experience
Work History
LEAD DIESEL TECHNICIAN
Hogan Truck Leasing & Rental
07.2023 - 12.2025
- Supervised a team of diesel technicians, providing training, task delegation, and timely repairs on equipment.
- Performed diagnostics on diesel engine, electrical systems, and emissions utilizing OEM and aftermarket diagnostic tools IE: Cummininsite, diagnositc-link, etc
- Managed shop inventory, parts ordering, and vendor coordination to ensure workflow efficiency
- Documented repair findings, parts usage, and service recommendations accurately in maintenance software.
DIESEL/TRAILER TECHNICIAN
CRST
10.2022 - 07.2023
- Inspected and maintained large diesel fleet vehicles and semi trailers in good working order by following preventive and corrective maintenance schedules.
- Maintained accurate records of all repairs performed on each individual trailer unit including labor costs and part numbers used.
- Ensured that all safety protocols were strictly adhered to while performing maintenance tasks on trailers.
- Diagnosed and repaired trailer brakes, electrical systems, suspensions, and other components utilizing specialized tools.
LUBE CENTER MANAGER
Caliber Auto Care
02.2022 - 10.2022
- Responsible for customer service, interpersonal communications relations, product sales, and servicing clients vehicles in a thorough and timely manner
- Repair and maintain various service components while ensuring control standards are met
- Training and supervising the work of technicians, while maintaining a clean and safe work area.
HEAVY EQUIPMENT OPERATOR/MAINTAINER
U.S. Army
08.2017 - 11.2021
- Transport goods ranging from hazardous materials to personnel over long distances with zero accidents or mechanical failures over the course of four years
- Oversaw a group of 8 personnel ensuring tasks and training were all in compliance with up to date safety codes and knowledge of personnel was to standard with military expectations
- Assigned to a fleet of equipment worth 8 million dollars, tasked with ensuring preventive maintenance was completed on schedule, correctly, and efficiently.
Skills
- CDL-A, DOT Inspections, Troubleshooting Diagnosis, Welding & Forklift Experience, Parts Management
Timeline
LEAD DIESEL TECHNICIAN
Hogan Truck Leasing & Rental
07.2023 - 12.2025
DIESEL/TRAILER TECHNICIAN
CRST
10.2022 - 07.2023
LUBE CENTER MANAGER
Caliber Auto Care
02.2022 - 10.2022
HEAVY EQUIPMENT OPERATOR/MAINTAINER
U.S. Army
08.2017 - 11.2021