Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic
Joseph Tomkinson

Joseph Tomkinson

Wylie

Summary

Fleet Supervisor with over 20 years of experience in diagnostics, fabrication, and fleet management. Expertise in custom equipment modification and private fleet maintenance, complemented by a strong background in technical instruction and public-sector fleet supervision. Demonstrated success in leading teams, optimizing operations, and maintaining high safety and reliability standards.

Overview

24
24
years of professional experience
1
1
Certification

Work History

Auto Shop Supervisor

City Of Garland
Garland
08.2024 - Current

Directed preventive maintenance and repairs for over 1,800 municipal vehicles, significantly reducing downtime.

Managed work order processes and shop workflows to optimize operational efficiency.

Supervised and trained automotive technicians while conducting performance evaluations.

Developed and implemented maintenance policies aligned with safety regulations and industry standards.

Heavy Shop Supervisor

City of Garland
Garland
05.2018 - 08.2024

Oversaw daily operations of heavy equipment shop, managing personnel scheduling and task assignments.

Optimized service reliability through effective fleet operations and cost-effective maintenance solutions.

Trained new employees on safety protocols and operational procedures to ensure compliance.

Managed inventory levels, ordered supplies, and maintained vendor relations for efficient shop functions.

Senior Master Mechanic /Senior Lead Technician

City Of Garland
Garland
06.2015 - 05.2018

Diagnosed and resolved complex vehicle malfunctions using advanced diagnostic equipment.

Mentored junior technicians by sharing technical knowledge and providing hands-on repair guidance.

Assisted supervisor in managing workflow and assigning tasks to enhance team efficiency.

Heavy Shop Master Mechanic /Technical Lead

City Of Garland
Garland
02.2012 - 06.2015

Diagnosed and repaired diverse city trucks and heavy-duty equipment to ensure operational readiness.

Specialized in troubleshooting complex hydraulic, electrical, and mechanical systems.

Executed comprehensive preventive maintenance programs on all city vehicles and heavy equipment.

Responded to emergency road calls for on-site diagnostics and field repairs.

Master Mechanic / Fleet Technician | Family-Owned

Bill's Garage & Blue Line Waste
Show Low
05.2001 - 01.2012

Acquired foundational experience in two family enterprises, evolving into a fourth-generation mechanic.

Conducted complete maintenance and repairs on seven-truck fleet for Blue Line Waste.

Diagnosed and repaired diverse equipment, including small engines and D-9 Caterpillar dozers.

Engineered custom modifications for specialty equipment to enhance operational efficiency.

Specialized in antique vehicle restoration, sourcing rare parts, and executing complex rebuilds.

Career & Technical Education (CTE) Teacher - Autom

Whiteriver Unified School District
Whiteriver
06.2009 - 05.2011

Designed and delivered comprehensive curriculum for grades 9-12, meeting Arizona CTE standards.

Created engaging lesson plans incorporating lectures, hands-on labs, and project-based learning.

Developed work-based learning opportunities to enhance students' readiness for post-secondary education.

  • Provided career guidance to prepare students for future employment and educational paths.

Education

High School Diploma -

Show Low High School
Show Low, AZ
05-2001

Completed 2-Year Vocational Program in Welding Technology - Welding

NAVIT
Show Low, AZ
05-2001

Skills

  • Heavy equipment maintenance
  • Custom fabrication
  • Hydraulic and electrical systems
  • Vehicle diagnostics
  • Antique vehicle restoration
  • Blueprint reading
  • Performance evaluation
  • Team building
  • Preventative maintenance
  • Warranty administration
  • Repair estimation
  • Employee training
  • Work order management
  • Quality standards compliance
  • Regulatory knowledge
  • Vendor negotiation
  • Employee evaluation and retention
  • Service writing
  • Automotive diagnostics
  • Product development oversight
  • Operations management
  • Staff management and oversight
  • Collaboration and teamwork
  • Verbal and written communication skills
  • Organizational structuring strategies
  • Task prioritization techniques
  • Competitive analysis skills
  • Inventory management strategies
  • Budgeting and cost control practices
  • Safety compliance measures

Certification

Class B/C UST Operator Certification (Underground Storage Tank)

EPA Section 609 MVAC Technician Certification (Motor Vehicle Air Conditioning)

Arc& &MIG Welding * Oxy-Fuel Torch Cutting * Blueprint Reading

Timeline

Auto Shop Supervisor

City Of Garland
08.2024 - Current

Heavy Shop Supervisor

City of Garland
05.2018 - 08.2024

Senior Master Mechanic /Senior Lead Technician

City Of Garland
06.2015 - 05.2018

Heavy Shop Master Mechanic /Technical Lead

City Of Garland
02.2012 - 06.2015

Career & Technical Education (CTE) Teacher - Autom

Whiteriver Unified School District
06.2009 - 05.2011

Master Mechanic / Fleet Technician | Family-Owned

Bill's Garage & Blue Line Waste
05.2001 - 01.2012

High School Diploma -

Show Low High School

Completed 2-Year Vocational Program in Welding Technology - Welding

NAVIT