Diesel & Automotive Mechanic

Dynamic Concepts, Inc.•Washington, DC

1d•$31 - $34•Onsite

About The Position

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.

Requirements

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
ASE Certification required
Valid driver's license required

Nice To Haves

Completion of a vocational/technical program or formal apprenticeship preferred
ASE Medium/Heavy Truck (T-series) or equivalent diesel certification strongly preferred
CDL is a plus

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