Diesel Mechanic

Company: System One
Location: Manassas
Posted on: May 17, 2025

Job Description:

Summary:

Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants.

We are seeking a skilled Diesel Mechanics to maintain and repair a fleet of heavy-duty vehicles, including transit coaches. The ideal candidate has hands-on experience with diesel engines, hydraulic and electrical systems, and preventive maintenance procedures. You'll ensure our vehicles remain safe, compliant, and operational in a fast-paced, 24/7 environment.

Key Responsibilities:

Maintenance & Repair

Diagnose and repair issues involving diesel engines, air conditioning, brakes, suspension, electrical, and fuel systems.


Conduct both in-shop and roadside repairs using diagnostic tools (e.g., Cummins Insite, Allison Prognostics, VANSCO, DINEX).


Repair and service ADA equipment, fire suppression systems, and safety components.


Perform upgrades or modifications per manufacturer and client specifications.


Fabricate and install parts when needed; conduct road tests to ensure proper performance.



Preventive Maintenance

Perform scheduled maintenance inspections based on mileage and time intervals.


Use standardized checklists to document all work and ensure coach compliance.



Corrective Maintenance

Use schematics, manuals, and test equipment to verify and correct issues.


Maintain detailed records of parts used, labor performed, and diagnostics.



Requirements:

3-5 years of progressive experience in heavy equipment or diesel maintenance.


High School diploma or GED required; post-secondary technical training preferred.


Must be able to lift up to 75 lbs and work on top of vehicles.


Proficient with diagnostic computer equipment and technical documentation.


Valid driver's license; ability to obtain a VA Commercial Driver's License.


Must pass a pre-employment drug test, background check, and physical exam.


Flexible to work in a 24/7 environment with varying shifts.



Skills:

Strong knowledge of diesel engine and hydraulic systems.


Understanding of braking systems, electrical schematics, and safety protocols.


Excellent communication, problem-solving, and time management abilities.


Ability to work independently with limited supervision in a high-volume setting.



Benefits:

401(k), health, dental, vision, and life insurance


Paid time off


Opportunities for career growth and technical training



#LI-JB1
#M1




Ref: #260-Eng NY Transit

Keywords: System One, Bethesda , Diesel Mechanic, Engineering , Manassas, Maryland