Diesel Mechanic
Woodbridge, Virginia
Experience: 0
Category: Transportation
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 28.46 - 42.95
Job ID: 345888
Date Posted: 02/04/2026
Shortcut: http://jobs.systemone.com/jMjk6O
Job Title: Diesel Mechanic
Location: Woodbridge, Virginia
Type: Direct Hire
Compensation: $28.46 - $42.95 hourly
Contractor Work Model: Onsite
1
st Shift 6am – 2:30pm
2
nd Shift 2pm – 10:30pm
Diesel Mechanic – Heavy-Duty Diesel Vehicle Maintenance and Repair
We are actively seeking a skilled Diesel Mechanic with hands-on experience in maintaining and repairing a diverse fleet of heavy-duty diesel vehicles, including transit coaches. If you specialize in diesel engine diagnostics, repair, and preventive maintenance, this role offers an excellent opportunity to work in a fast-paced, 24/7 environment ensuring our diesel-powered fleet remains safe, reliable, and compliant.
Key Responsibilities for Diesel Mechanics:
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Expertly diagnose and repair issues related to diesel engines, diesel fuel systems, diesel electrical components, diesel hydraulic systems, air conditioning, brakes, suspension, and other mechanical systems.
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Conduct both in-shop and roadside diesel vehicle repairs using advanced diagnostic software such as Cummins Insite, Allison Prognostics, VANSCO, and DINEX.
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Repair and maintain ADA equipment, fire suppression systems, and critical safety components on diesel-powered vehicles.
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Perform diesel engine upgrades, modifications, and parts fabrication as specified by manufacturers and client requirements.
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Conduct thorough road tests to verify proper diesel vehicle performance and safety.
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Execute preventive maintenance inspections on diesel vehicles at scheduled mileage/time intervals using standardized checklists to ensure compliance.
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Maintain detailed records of all diesel repairs, parts usage, diagnostics, and labor.
Diesel Mechanic Job Requirements:
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3–5 years of progressive experience in diesel mechanics or heavy equipment diesel maintenance.
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High School diploma or GED required; post-secondary technical training in diesel mechanics or related fields preferred.
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Physical capability to lift up to 75 lbs and work on top of diesel vehicles.
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Proficiency with diesel diagnostic computer equipment and technical manuals.
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Valid driver’s license and ability to obtain a Virginia Commercial Driver’s License (CDL).
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Must pass pre-employment drug test, background check, and physical examination.
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Availability to work flexible shifts in a 24/7 operational environment.
Skills & Expertise:
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Strong expertise in diesel engine systems, diesel hydraulics, diesel braking systems, and diesel electrical schematics.
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Excellent communication, troubleshooting, and time management skills.
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Ability to work independently with minimal supervision in a high-volume diesel repair setting.
Benefits for Diesel Mechanics:
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Comprehensive 401(k), health, dental, vision, and life insurance plans.
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Paid time off.
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Opportunities for ongoing career advancement and diesel-specific technical training.
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M1
Ref: #260-Eng NY Transit
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