122 Results for

Diesel Mechanic Jobs in Carroll, MD

Jobs

Delmar, MD9 days ago

$20–$32 Per Hour

Lew Thompson & Son Trucking, started over 40 years ago by a truck driver for truck drivers, specializes in local live and feed haul transportation. We're currently hiring Diesel Mechanics to perform repairs and maintenance on our fleet of semi tractors + trailers.

Aberdeen, MD26 days ago

Essential functions will include: Analyzing malfunctionsand repairs,rebuildandmaintainsheavy equipment, such as cranes, power shovels, scrapers, paving machines, motor graders, trench-digging machines, conveyors, bulldozers, dredges, pumps, compressors, and pneumatic tools. Heavy Equipment Mechanic (EAGLE 2025-24025): Bowhead seeksaHeavy Equipment Mechanic to join our team in support of the Maintenance and Supply Divisions at the Aberdeen Proving Grounds in Aberdeen,MD.

Glen Burnie, MD11 days ago

$20–$40 Per Hour

Master technicians should: Have 5+ (preferably all 8) The National Institute of Automotive Service Excellence (ASE) certifications which include: (engine repair, engine performance, heating and air conditioning, electrical systems, automatic transmissions, manual transmission and axle, brakes and front end). Assist the shop foreman/lead technician in recruiting and hiring qualified service technicians as well as assisting technicians with their skills, providing technical support when needed and monitoring performance and productivity.

New!

Bethesda, MD1 day ago

Founded in 1909, ABM provides custom facility solutions in urban, suburban and rural areas to properties of all sizes — from schools and commercial buildings to hospitals, data centers, manufacturing plants and airports. JOB SUMMARY:We are seeking a skilled Maintenance Technician to perform day‑to‑day facility repairs, support tenant and common‑area maintenance, and ensure a safe, clean, and well‑maintained shopping center environment.

New!

Eden, MDToday

Willingness to work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education), the ability to pass a drug screen and physical as required by the Department of Transportation, and potential travel within a near geography for training are required. • Doing preventative maintenance repairs—like replacing or rotating tires—and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles.

Bladensburg, MD30+ days ago

This is a field-based role built for a mechanic who takes pride in their diagnostic ability, works well independently, and wants to be part of a company where skilled trades are genuinely valued. Specific responsibilities include: Diagnosing and repairing mechanical, electrical, hydraulic, and diesel systems across a variety of equipment types.

Glen Burnie, MD30+ days ago

If you've built real diagnostic depth across diesel, hydraulic, and electrical systems and you're looking for a stable environment where that skillset is put to good use every day, this is worth your attention. Specific responsibilities include: Diagnosing and repairing mechanical, electrical, hydraulic, and diesel systems across a broad range of equipment types.

New!

Cumberland, MD3 days ago

$27–$33 Per Hour

This position is ideal for a technician who takes pride in quality workmanship, values safety, and enjoys troubleshooting and repairing heavy-duty diesel equipment in a fast-paced shop environment. The successful candidate will be responsible for maintaining and repairing a fleet of diesel trucks and trailers to ensure maximum uptime and operational efficiency.

Cumberland, MD18 days ago

WILLIAMSPORT, Maryland29 days ago

$35–$45 Per Hour

Technicians must be able to perform essential functions that include lifting heavy objects, accessing tight spaces, and bending, stooping, crouching, or crawling as needed to complete repairs. This role involves working in a mobile and or shop environment that may include exposure to dust, diesel fumes, noise, and mechanical irritants such as oils and greases.

Forestville, MD30+ days ago

Flippo Construction Company, Inc. relies on its maintenance staff to diagnose issues and perform all necessary repairs and preventive maintenance to its heavy equipment such as trucks/trailers, repairing small and two cycle engines, hydraulics, snow removal equipment and conventional gasoline & diesel engines. Specialize in the diagnosis, repair and maintenance of large engines for various equipment types such as trucks/ trailers, hydraulics, snow removal equipment and conventional gasoline & diesel engines.

Upper Marlboro, MD15 days ago

Physical requirements include: standing, running, walking, sitting, kneeling, stooping/bending, lifting, squatting, reaching, pushing, pulling, crawling, jumping, sliding, climbing, pinching, gripping, digging, spraying, maintaining balance, the ability to ascend and descend ladders and stairs, the ability to complete repetitive motions, regular exertion of up to 50 lbs. Work may occasionally be performed under hazardous and adverse conditions, including but not limited to: proximity to moving mechanical equipment, active construction environments requiring hard hat protection, high noise environments requiring hearing protection, elevated heights and confined spaces.

Baltimore, MD12 days ago

$32–$40

Key responsibilities include: Inspect, diagnose, and repair diesel-powered hydrovac trucks, vacuum units, and related heavy equipment—including engines, transmissions, chassis, hydraulics, pneumatics, vacuum/blower systems, and electrical systems. Perform preventative maintenance inspections and services such as greasing, fluid checks, belt and hose replacements, alignments, adjustments, and comprehensive safety checks to ensure road and job-site readiness.

ANNAPOLIS JUNCTION, Maryland16 days ago

Wash and detail vehicles manually or using automated equipment; fuel diesel, natural gas, and hybrid vehicles properly while adhering to all shop safety policies and procedures; record fuel activity and maintain proper fuel and DEF inventories and reconciliation; this includes using hand held devices to properly identify customer and required services. Perform multi-point inspection on inbound units as required by company policies and procedures; this includes checking vehicle tire pressure and thread, fluid levels, lights, washing vehicle windows, changing tires, inspecting refrigeration units on trucks, and reporting service or driver issues to shop.

Beltsville, MD8 days ago

This position is designed for an ambitious professional ready to master our operations and eventually oversee fleet maintenance strategies, mentor junior staff, and manage shop operations. Skills: Strong understanding of hydraulics, brakes, electrical systems, and engine diagnostics.

Easton, MD30+ days ago

$28–$40 Per Hour

Complete preventative maintenance repairs-like replacing or rotating tires and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles. This advanced-level technician will be proficient in diagnosing and repairing complex mechanical and electrical systems, with a deep understanding of diesel engines and heavy-duty equipment.

Waldorf, MD30+ days ago

A Heavy Duty Diesel Mechanic responsible for the inspection, repair and maintenance of Heavy Duty vehicles. Work on the Heavy Duty vehicles to ensure that they run safely and efficiently.

Glen Burnie, MD30+ days ago

$62,400–$72,800

This is an excellent opportunity for a skilled mechanic who thrives in a fast-paced environment and takes pride in maintaining quality workmanship on a diverse fleet of landscaping equipment. We are committed to fostering a culture of safety, professionalism, and exceptional client service, serving the greater Baltimore, Washington, DC, and Northern Virginia metropolitan area.

Baltimore, MD30+ days ago

$17–$20.40 Per Hour

Repairing malfunctioning parts and other mechanical or electrical equipment; Complete repairs safely, effectively and efficiently. High School Diploma or GED; Graduate of acceptable trade school or manufacturer’s technical school, or previous mechanic experience.

New!

Hagerstown, MD6 days ago

The experience in helping Great Southern'scustomers thrive on Just-in-Time inventory management quickly developed Greenbush's ability to coordinate a large fleet of trucks across multiple regions of the United States - cultivating a reputation as a trusted freight management source. Born out of our service to sister company, Great Southern Wood Preserving, Incorporated, the makers of the YellaWood® brand, Greenbush Logistics, Inc. cut its teeth in the time-and-service sensitive freight management industry.

Baltimore, Maryland19 days ago

$29–$36 Per Hour

Perform repairs and inspections on a variety of Class 6-8 trucks and trailers, such as brakes, diagnostics, A/C systems, electrical systems, engine components, exhaust systems, after-treatment systems, lift-gates, tires, etc. On-Site Truck and Trailer Maintenance and Repairs: Our mobile repair experts come to you, performing all maintenance and repairs at your location and around your schedule.

Beltsville, MD12 days ago

The Diesel Mechanic is responsible for maintaining, diagnosing, and repairing diesel-powered trucks and specialty equipment including jet/vac trucks, combination sewer cleaning trucks, vacuum trucks, street sweepers, and other heavy-duty contractor equipment. Maintain and repair diesel trucks of varying sizes including jetter trucks, vacuum trucks, combo trucks, street sweepers, roll-offs, dump trucks, tractors/trailers, and service trucks.

Baltimore, MD30+ days ago

Full-time

We're experts, which means you'll have the following skills and experience: High School diploma/GED 2-5 years of experience working on power generators and/or commercial HVAC equipment, performing inspections, maintenance, and repairs. Perform preventive maintenance and repairs of power generators, diesel engines, electrical distribution equipment, HVAC equipment and/or oil free air compressors.

Baltimore, MD8 days ago

Mullen's Markings is a full-service line striping and pavement marking company delivering high-quality roadway, highway, and parking lot striping services. In this role, you will be responsible for maintaining and repairing our fleet of vehicles and equipment, ensuring everything operates safely and efficiently.

New!

Hagerstown, MD6 days ago

$26–$40 Per Hour

Bemana is searching for a Diesel Mechanic in Hagerstown, MD to join the team of of a well-established leader in the pressure-treated lumber and building products industry, supplying residential, commercial, and industrial markets nationwide. Our clients and candidates value us for our specialized recruiting expertise, vast knowledge of the equipment and industrial job market, and ability to solve their most challenging employment needs.

Baltimore, MD30+ days ago

$28.20–$44.70 Per Hour

As a Field Diesel Mechanic - Customer Equipment Solutions (Service Tech IV - Field Service - CES), you'll use your skills to perform maintenance and repairs of complex equipment on customer owned equipment with limited or no supervision in a highly skilled, safe, and professional manner. Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment.

Glen Burnie, MD30+ days ago

$25.95–$46.05 Per Hour

Every day, you can improve and challenge yourself, and if you have the desire and ambition, you'll have the potential to work towards higher levels of Service Technician and leadership roles in our Service Department. We're an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That's why we offer best-in-class benefits and perks that will support you and your family.

Bladensburg, MD30+ days ago

$26.45–$39.70 Per Hour

As a Field Diesel Mechanic - Customer Equipment Solutions (CES), you'll use your skills to perform maintenance and repairs of complex equipment on customer-owned equipment with limited or no supervision in a highly skilled, safe, and professional manner. Safe maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of customer equipment and tools while using a high degree of independent judgment.

Upper Marlboro, MD8 days ago

$29.80–$44.65 Per Hour

Every day, you can improve and challenge yourself, and if you have the desire and ambition, you'll have the potential to work towards higher levels of Service Technician and leadership roles in our Service Department. As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform maintenance and repairs on complex equipment in a safe and professional manner.

Baltimore, Maryland19 days ago

$30–$40 Per Hour

Harmans, MD19 days ago

$30–$38 Per Hour

Experience: One (1) year of full-time experience in bus/ trucks/ heavy trucks/vehicles/heavy vehicles and/or construction equipment; tractor trailers or passenger buses and their components and systems, or similar work on equipment in a related field. Completion of a four-year vocational or technical high school course of instruction in mechanics maintenance or a related field, formal technical training or on-the -job training in an approved apprenticeship program may be substituted for up to one (1) year of the required experience.

New!

Delmar, MD3 days ago

$22.40–$30.80 Per Hour

POSITION SUMMARY: With direct supervision from a Lead Technician, Maintenance Supervisor or Maintenance Manager, a Maintenance Technician B performs repair and maintenance work on diesel and non-diesel equipment and trucks including, but not limited to, chassis components, vehicle refuse bodies and control systems, hydraulic electrical, air brake systems, general engine work, HVAC components, suspension, drive train and steering systems. Ability to perform basic inspections with limited supervision in some (not all required) of the following heavy truck, or automotive systems: suspensions & steering; general engine, transmissions, brakes, electrical, hydraulics, drive train, diesel emissions.

Bladensburg, MD30+ days ago

Position Overview: The ideal candidate will bring a wealth of knowledge and hands-on expertise in vehicle maintenance, specifically focusing on preventive maintenance (PM), follow-up repairs, and the intricacies of hydraulic systems. The determination by an authorized, trained representative of Ernest Maier, Inc. that reasonable suspicion exists must be based on specific, contemporaneous, articulable observations concerning the appearance, behavior, speech or body odors of the employee.

Annapolis Junction, MD30+ days ago

Halethorpe, MD30+ days ago

MONSON FLEET MANAGEMENT SERVICES has been serving the Fredericksburg community for over 15 years, providing top-notch fleet management solutions. Join MONSON FLEET MANAGEMENT SERVICES as an On-Site Diesel Mechanic and be a vital part of our dedicated team in Fredericksburg, VA.

New!

Jessup, MD2 days ago

Pinpoint malfunctions and execute repairs on steering, electrical, cooling, lubrication, braking, drivetrain, suspension, power steering units, clutches, and transmissions. That’s Zm: an end-to-end, cloud-powered system paired with a multi-sized, EV-first fleet that trims student commute times by up to 20%.

Baltimore, MD30+ days ago

$25–$35 Per Hour

Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/ Work with advanced electric vehicle and hydrogen fuel cell technology, troubleshooting electronic, electrical, and high voltage issues, and resolving them.

Baltimore, MD30+ days ago

$19–$22 Per Hour

Driven by a passionate team, TA is focused on growing its network of travel centers, implementing cutting edge technology and embarking on innovative alternative energy and sustainability initiatives. For more than 50 years, millions of professional truck drivers and motorists have called our travel centers home, depending on us daily for fuel, food, truck maintenance and essential services.

Frederick, MD13 days ago

$27.65–$38.02 Per Hour

The following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 711 713 2506 2584 4130 4133 4541 5899 6071 6072 7603 7607 7610 7618 13D 13M 13P 13R 13T 2T311A 2T311C 2T312A 2T312B 2T312C 2T331A 2T331C 2T332A 2T332B 2T332C 2T351 2T351A 2T351C 2T352A 2T352C 62B 63A 63D 63E 63H 63M 63N 63S 63T 63Y 88R 91A 91B 91E 91H 91L 91M 91P 91S ABE ABH AS CM EN GSM MM MM(NUC) MR SB. Related experience may include: Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic Supervisor, Technician Supervisor, Lead Mechanic, Lead Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.

Baltimore, MD30+ days ago

To become a School Bus Auto Diesel Technician, one typically needs: Technical Training: Certification or training in diesel technology or automotive mechanics, often from a technical school or community college. Key responsibilities may include: Engine Diagnostics and Repair: Identifying issues in diesel engines using diagnostic tools and techniques and performing necessary repairs or replacements.

New!

Baltimore, MD2 days ago

If you’re ready to build a stable career with a company that keeps thousands of vehicles moving every day, apply today and become part of the zTrip maintenance team. We are currently hiring a skilled Fleet Maintenance Mechanic to join our expanding maintenance department and help support the performance of our growing fleet.

Baltimore, MD30+ days ago

$55,000–$75,000

As a Diesel Technician, you will leverage the skills acquired during your military service to diagnose, repair, and maintain diesel engines and heavy-duty vehicles. Proven experience working on diesel engines during military service (e.g., tanks, tactical vehicles, generators, transport trucks).

Baltimore, MD30+ days ago

Mechanics primary focus is preventative and proactive maintenance including a thorough inspection of vehicles and equipment to keep the machinery working as efficiently as possible. Maintenance and repair of job-site equipment such as pick up truck, vans, box trucks, , air compressors, and other support equipment.

Baltimore, MD17 days ago

Mechanics primary focus is preventative and proactive maintenance including a thorough inspection of vehicles and equipment to keep the machinery working as efficiently as possible. Maintenance and repair of job-site equipment such as excavators, loaders, trucks, and equipment like air compressors, generators and other support equipment.

New!

Cumberland, MD2 days ago

Utilizing specialized tools and diagnostic equipment to identify malfunctions, perform repairs, and ensure optimal equipment performance while adhering to safety regulations. • Inspect, maintain, repair, and test heavy duty equipment and company vehicles such as trucks, trailers, bulldozers, graders, excavators and other equipment.

Baltimore, MD30+ days ago

Full-time

Headquartered near Reading, Pennsylvania with multiple branch facilities from Baltimore to New Hampshire, we sell, rent, service, and rebuild a range of custom and heavy-duty material handling equipment that is unlike any other company in the industry. Taylor Northeast is proud to be a flagship member of the H&K Equipment Group, a fast-growing network of four operating companies that employs hundreds of experts at businesses located throughout the US.

Landover, MD30+ days ago

Full-time

Demonstrated experience diagnosing and correcting mechanical problems related to automotive/diesel repair, forklift/pallet jack repair, and preventative maintenance. Personal Protective Equipment (PPE), including dust mask, earplugs, gloves, hard hat, respirator, safety glasses, work boots, and safety vest.

LANHAM, Maryland30+ days ago

$35–$45 Per Hour

Technicians must be able to perform essential job functions that include frequent movement such as standing, walking, climbing, bending, and sitting for extended periods, as well as lifting heavy objects and accessing tight or confined spaces. This role involves working in a mobile, outside and/or shop environment with exposure to dust, diesel fumes, noise, and mechanical materials such as oils and greases.

Elkridge, MD26 days ago

Perform routine maintenance and repairs on fleet vehicles, including school buses, vans, and support vehicles . The Fleet Technician / Mechanic is responsible for the inspection, maintenance, and repair of company vehicles, including school buses and other fleet equipment.

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Diesel Mechanic Jobs in Carroll, MD

Diesel Mechanic Lew Thompson & Son Trucking

Heavy Equipment Mechanic Bowhead / UIC Technical Services

Diesel Technician Tate Dodge Chrysler Jeep

Maintenance Mechanic ABM Industries

Diesel Technician III Penske Truck Leasing Co., L.P.

Field Diesel Mechanic LaTrae Consulting Group

Diesel Mechanic LaTrae Consulting Group

Diesel Mechanic Pros Mechanics Recruitment Firm

Diesel Mechanic Pros Mechanics

Mobile Diesel Mechanic - Amerit Fleet Solutions

Highly Skilled Diesel Mechanic Flippo Construction Company, Inc

Heavy Duty Diesel Mechanic Accu-Crete

Hydrovac Diesel Mechanic Clearsite Industrial Services

Diesel Mechanic Trainee Entry Level Ryder

Diesel Mechanic Abacus Solution Group

Diesel Mechanic Mid-Atlantic Truck & Equipment

Heavy Duty Diesel Mechanic Part-Time JCI Enviromental

Diesel Truck and Large Equipment Mechanic Level Green Landscaping

Apprentice Diesel Tech-Mechanic TravelCenters of America

Diesel Mechanic Greenbush Logistics

Mobile Diesel Mechanic Epika Fleet Services, Inc.

Diesel Mechanic - Heavy-Duty Class 7 or Class 8 trucks JARBO

Senior Diesel Technician | Diesel Mechanic Macpower Digital Assets Edge LLC

Diesel Mechanic - Baltimore, MD Mullen's Markings

Diesel Mechanic Bemana Power Recruitment

Field Diesel Mechanic- CES United Rentals

Diesel Mechanic United Rentals

Field Diesel Mechanic - CES United Rentals

Field Diesel Mechanic United Rentals

Mobile Diesel Mechanic Prestige Fleet Services

Truck Maintenance Technician / Diesel Mechanic MBG REFUSE SERVICE INC.

Diesel Mechanic Republic Services

Diesel Shop Mechanic-Bladensburg Ernest Maier Block

Diesel Shop Mechanic-Jessup Ernest Maier Block

On Site Diesel Mechanic MONSON FLEET MANAGEMENT SERVICES

Commercial Vehicle Diesel Systems Mechanic Zum Transportation

Auto Mechanic / Diesel Mechanic PEAK Technical Staffing

Mobile Diesel Tech-Mechanic TravelCenters of America

Road Mechanic 2 Sunbelt Rentals

School Bus Company - Auto Diesel Technician Driven Group LLC

Fleet Maintenance Mechanic zTrip MD

Diesel Technician Elite

Heavy Equipment Mechanic/Welder Goel Services, Inc.

Heavy Equipment Repair Mechanic/Welder (Excavators) - $50 per hour Goel Services, Inc.

Field Service Mechanic – Heavy Duty Construction Equipment DBD Staffing

Mechanic (Truck and Tools Repair) Goel Services, Inc.

Field Mechanic-Heavy Equipment Taylor Northeast

Fleet Mechanic FLEET MECHANIC

Automotive Technician/Mechanic Amerit Fleet Solutions

Fleet Tech/Mechanic Barr Transportation

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