Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Interests
Timeline
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STEPHEN VAUGHN

Saint Augustine

Summary

Dynamic maintenance professional with 18+ years of leadership and hands-on maintenance experience overseeing fleet, heavy equipment, and industrial maintenance operations. Proven ability to supervise technicians, manage preventive maintenance programs, reduce downtime, control parts inventory, and maintain compliance with safety and operational standards. Strong background in mechanical, electrical, hydraulic, and diesel systems, with a track record of maintaining high-value assets and leading teams in high-demand environments.

Overview

18
18
years of professional experience
1
1
Certification

Work History

Field Service Representative

Amentum
Mannheim, DE
01.2023 - 10.2025
  • Documented service reports accurately, detailing repairs performed and parts used for future reference.
  • Diagnosed and repaired diesel engines, ensuring optimal performance and reliability.
  • Conducted thorough assessments and repairs of hydraulic systems to maintain optimal functionality.
  • Applied advanced diagnostic tools to accurately diagnose and repair transmission malfunctions.
  • Performed detailed diagnostics and executed repairs on electrical systems, focusing on improving efficiency and minimizing operational interruptions.

Plant Maintenance Technician

Oldcastle Costal
Jacksonville, FL
04.2022 - 12.2022
  • Conducted routine inspections of machinery and equipment to ensure optimal performance.
  • Diagnosed mechanical issues and implemented timely repairs to minimize downtime.
  • Collaborated with team members to develop preventive maintenance schedules for critical equipment.
  • Coordinated parts inventory management to ensure availability of necessary components for repairs.
  • Ensured compliance with safety regulations through strict adherence to guidelines, proper use of PPE, and diligent hazard identification.

Maintenance Supervisor / Training Manager

US Army
Fort Benning, GA
01.2018 - 03.2022

• Supervised and trained 20+ maintenance technicians annually

• Managed preventive maintenance schedules and corrective repairs for 40+ heavy vehicles

• Assigned work orders, tracked maintenance progress, and ensured quality control

  • Supervised maintenance operations, ensuring compliance with safety regulations and standards.
  • Coordinated preventive maintenance schedules to minimize equipment downtime and enhance operational efficiency.

Fleet Maintenance Supervisor

US Army
Fort Hood, TX
10.2016 - 12.2017
  • Led maintenance team in executing complex repairs, enhancing vehicle performance and reliability.
  • Implemented preventive maintenance schedules, reducing equipment downtime and improving mission efficiency.
  • Trained junior mechanics on best practices for vehicle maintenance and repair techniques.
  • Collaborated with logistics personnel to manage parts inventory for timely repairs and service operations.
  • Demonstrated versatility in handling various types of heavy machinery including track vehicles, wheeled vehicles, and power generators during routine operations or emergency situations.

Senior Maintenance Supervisor

US Army
Fort Carson, CO
10.2011 - 09.2016

• Directed maintenance operations for tracked and wheeled fleet equipment

• Supervised technicians performing mechanical, electrical, and hydraulic repairs

• Reviewed maintenance reports, inspections, and work order completion

• Coordinated logistics and equipment movement while maintaining maintenance readiness

  • Developed and implemented preventive maintenance programs, enhancing equipment reliability and performance.
  • Streamlined maintenance processes, resulting in reduced downtime and improved service efficiency.

Heavy Equipment Technician

US Army
Fort Carson, CO
10.2007 - 09.2011
  • Diagnosed mechanical issues in heavy equipment, ensuring timely repairs and minimizing downtime.
  • Delivered consistent quality workmanship while adhering to strict deadlines, minimizing project delays due to equipment failures.
  • Assisted in planning preventative maintenance schedules based on manufacturer recommendations and equipment usage patterns.
  • Conducted routine maintenance checks on heavy-duty vehicles to prevent breakdowns.

Education

High School Diploma -

Waipahu High School
Waipahu, HI

Skills

    Maintenance Team Leadership & Supervision

    Preventive & Predictive Maintenance Programs

    Work Order Management & Scheduling

    Downtime Reduction & Root Cause Troubleshooting

    Mechanical, Electrical, Hydraulic & Diesel Systems

    Fleet & Heavy Equipment Maintenance

    Safety Compliance & Inspections

    Parts Inventory & Vendor Coordination

    Technician Training & Performance Development

    Maintenance Reporting & Documentation

Accomplishments

Awarded the Ordanance Order of Samuel Sharpe-

This award recongnizes ondividuals in the Army Ordnace Corps who have demonstrated exceptional integrity, moral, character, and professional competence.

Reconized by management for leading a maintence team having the highest overall operational rediness equipement

Certification

  • Certified Instructor, for U.S. Army
  • Certified vehicle recovery specialist
  • Certified on diagnosing,repair, and replacing of VTA904 diesel engine and HMPT 500&800 ECB

Interests

  • Auto Repair/Restoration
  • Being in and a part of my children's life's
  • I enjoy working with my hands and fixing things
  • Going to the gym

Timeline

Field Service Representative

Amentum
01.2023 - 10.2025

Plant Maintenance Technician

Oldcastle Costal
04.2022 - 12.2022

Maintenance Supervisor / Training Manager

US Army
01.2018 - 03.2022

Fleet Maintenance Supervisor

US Army
10.2016 - 12.2017

Senior Maintenance Supervisor

US Army
10.2011 - 09.2016

Heavy Equipment Technician

US Army
10.2007 - 09.2011

High School Diploma -

Waipahu High School