Demo

Diesel & Automotive Mechanic

Dynamic Concepts, Inc.
Washington, DC Full Time
POSTED ON 6/7/2026
AVAILABLE BEFORE 8/7/2026


We are seeking an experienced and highly skilled Diesel & Automotive Mechanic to join our growing fleet operations team. The ideal candidate brings hands-on expertise in diesel engine systems alongside a strong foundation in gasoline-powered vehicles, light and heavy trucks, and commercial machinery. If you take pride in precision work, thrive in a fast-paced environment, and are committed to keeping vehicles safe and road-ready, we want to hear from you.


Responsibilities

  • Diagnose and repair diesel and gasoline engines, drivetrain components, electrical systems, and emissions systems across a diverse fleet of cars, trucks, and heavy equipment
  • Perform and document routine preventive maintenance, including oil changes, fluid checks, filter replacements, brake inspections, and tune-ups
  • Troubleshoot and repair diesel-specific systems including fuel injection, turbochargers, DEF/emissions systems, and high-pressure common rail systems
  • Inspect and repair or replace worn, broken, or malfunctioning components such as belts, hoses, suspension parts, and hydraulic systems
  • Identify fluid leaks, electrical faults, and mechanical failures using diagnostic tools and equipment
  • Schedule and advise on future maintenance needs to maximize vehicle longevity and minimize downtime
  • Maintain accurate service logs, repair records, and parts usage documentation
  • Keep all shop tools, lifts, and diagnostic equipment clean, calibrated, and in safe working condition
  • Adhere strictly to all workplace safety protocols, OSHA standards, and environmental regulations regarding hazardous fluids and chemicals


Qualifications

  • Proven experience as a mechanic with demonstrated diesel engine expertise (commercial trucks, heavy equipment, or fleet vehicles strongly preferred)
  • In-depth knowledge of diesel fuel systems, electrical/electronic diagnostics, and emissions compliance
  • Proficiency with diagnostic software and scan tools (e.g., Cummins INSITE, Detroit Diesel Diagnostic Link, or equivalent)
  • Ability to operate shop equipment including hydraulic lifts, presses, and pneumatic tools safely and effectively
  • Strong attention to detail and commitment to quality workmanship
  • Excellent physical stamina and the ability to work in varying environmental conditions
  • High school diploma or equivalent required; completion of a vocational/technical program or formal apprenticeship preferred
  • ASE Certification required; ASE Medium/Heavy Truck (T-series) or equivalent diesel certification strongly preferred
  • Valid driver's license required; CDL is a plus


What We Offer

  • Competitive compensation commensurate with experience
  • A supportive team environment with opportunities for advancement

Salary.com Estimation for Diesel & Automotive Mechanic in Washington, DC
$58,147 to $75,200
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