46 Results for

Diesel Mechanic Jobs in Jennings, MO

Jobs

New!

Wood River, IL2 days ago

$30–$36 Per Hour

With expert knowledge, supportive leadership, and a strong belief in our company culture, our team exemplifies the passion, pride, and entrepreneurial spirit that help us reach our goals every day. Diesel Mechanics are required to safely and accurately perform general property and vehicle maintenance & repair duties in and around the shop operations in a fast-paced environment.

New!

Arnold, MOToday

If you’re a skilled diesel technician who enjoys working independently, solving problems on the go, and taking pride in high‑quality repairs, this mobile role in Fenton, Missouri is a strong match. Are you an experienced Mobile Diesel Technician, Field Diesel Mechanic, or Mobile Heavy-Duty Technician looking for better pay, more independence, and a company that values your expertise?

New!

Saint Louis, MO3 days ago

$33.50–$33.50

Perform routine maintenance such as changing oil, checking batteries and lubricating equipment and machinery requiring the use of hand tools such as screwdrivers, pliers, wrenches, pressure gauges, and precision instruments, as well as power tools such as pneumatic wrenches, welding equipment, and jacks and hoists. 5+ years of proven medium to heavy-duty vehicle repair including PM's, tire & wheel, air & air disc brakes, diagnosis, computerized diagnostics, electrical troubleshooting, electronic component repair and a minimum of 2 years’ experience in A/C refrigeration.

BRIDGETON, Missouri13 days ago

Preventive Maintenance: Proper lube techniques; Minimal tire inspection; Brake check/applied stroke; Battery check; Under vehicle check/loose components; Initial Fault code identification; All PMs (PM298) including C supplements to exclude overheads, engine brake overhauls, DPF servicing, clean doser injector, servicing ArvinMeritor unitized hubs, inspect Lece Neville alternator brushes, inspect modulator system for proper operation, inspect/adjust shift selector cable, pop test Isuzu injectors. Tire and Wheel Maintenance: Perform air pressure checks; Check tread depth; Identify tires that need to be changed or repaired; Perform tire P.M. checks; Replace tire and wheel assemblies; Mount/dismount and rotate tires; Perform tire/wheel checks/repairs per (TW298).

Fairmont City, Illinois30+ days ago

$35–$39

Today RMS subsidiaries include Pacific Rail Services, Pacific Trailer Repair Services, Rail Terminal Services, Terminal Switching Services and PRS Auto. With more than three decades of experience focused on facilitating the railroad motor carrier interface, RMS has been the lowest cost and most efficient providers while maintaining one of the best safety records in the industry.

Troy, IL17 days ago

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.

Florissant, MO16 days ago

Perform FAI/CVI (Annual) (First Article Inspection - Commercial Vehicle Inspection) inspections on all fleet vehicles including tractors, trailers, converter dollies, light-duty vehicles, and any other company-owned equipment under the guidance of fleet technician II & III or fleet supervisor or manager in accordance with all federal, state and local legal and regulatory agencies. At least 2 years of experience with emissions, aftertreatment systems, electrical, air conditioning, powertrain, hydraulics and suspension systems.

New!

Florissant, MO1 day ago

$28–$40 Per Hour

Diesel Mechanics are responsible for performing routine maintenance such as oil changes, brake replacements, tire repairs, and hydraulic system maintenance, diagnosing mechanical problems, completing repair work orders, maintaining maintenance records, and ensuring fleet vehicles are safe and operational. This position typically pays $28 to $40 per hour, with opportunities for overtime pay, shift differential pay for evening or overnight shifts, tool allowances, and performance or safety bonuses depending on experience and location.

New!

Granite City, IL3 days ago

Diagnosis, removal and replacement of injectors, pistons, liners, cam shafts, cylinder heads, rod and main bearings, oil pans, clutches, fan hubs, differentials, fifth wheels, brakes, changes or recharges batteries, and replaces transmissions and other parts. Our Mobile Diesel Technicians are responsible for maintaining the fleet for clients and to handle service calls at client locations, so we can provide expedited expertise directly to our customer's trucks & equipment on site.

Granite City, IL10 days ago

With more than 200 locations and nearly 8,000 dedicated employees, Rush Enterprises operates Rush Truck Centersthe largest network of commercial vehicle dealerships in North Americacommitted to delivering exceptional customer service, personalized support, and comprehensive solutions tailored to every fleets needs. + Install injectors, pistons, liners, cam shafts, cylinder heads, rod and main bearings, oil pans, clutches, fan hubs, differentials, fifth wheels, brakes, change or recharge batteries, and replace transmissions and other parts.

Pacific, MO30+ days ago

St Louis Composting, producer of STA-Certified Compost, Mulch Products and Soil Blends, is seeking a safety conscious Diesel Truck Technician to join our growing team at our site in Pacific, MO. The Diesel Truck Technician will collaborate with other repair team members to ensure a vehicle is safely and efficiently operating to the driver's needs.

Bridgeton, MO17 days ago

As a mechanic with us the minimum responsibilities are: + Perform repairs and inspections, safety checks, diagnosis and repair of electrical, hydraulic, suspension, brake and air systems on diesel vehicles. One where self-directed, empowered employees have our trust and full support to realize their potential as they strive to make a bigger and better impact on their communities and careers every day.

New!

Saint Louis, MO1 day ago

$26.73–$40.10 Per Hour

REQUIRED CERTIFICATIONS OR OBTAINED WITHIN 18 MONTHSASE T8 (PMI) certificationPREFERRED CERTIFICATIONSASE T3 (Drivetrain) certificationASE T4 (Brakes) certificationASE T5 (Suspension) certificationASE T6 (Electrical and Electronic Systems) certificationASE T7 (HVAC) certificationASE 608/609 certificationSKILLS & ABILITIESUnderstand implications of new information for current and future problem solving. We are currently hiring a Mobile Diesel Technician Level II .Mobile Diesel Technician Level IIThe Mobile Diesel Technician Level II will perform licensed DOT inspections, preventative maintenance inspections, light and follow‑up repairs, light mechanical/hydraulic/electrical and electronic diagnostics, and other duties as assigned.

St. Louis, Missouri30+ days ago

The ideal candidate is a skilled technician who takes pride in keeping vehicles safe, reliable, and road-ready, ensuring our drivers and passengers get where they need to go without interruption. Responsibilities: Deliver high-quality routine inspections, maintenance, and repairs on diesel engines and coach-related components of over-the-road buses.

Belleville, IL30+ days ago

Skills and Experience: Valid Driver's License: Must possess a valid US driver's license and have personal tools (specialty tools provided). Additionally, we do extensive drug testing including urine, breath alcohol, and invasive hair follicle testing.

St. Louis, MO30+ days ago

Any person performing the position while under the influence of marijuana or any other illegal drug may constitute a threat to health or safety or in which a lapse of attention could result in injury, illness, or death, including without limitation a position that includes the operating, repairing, maintaining, or monitoring of heavy equipment, machinery, aircraft, motorized watercraft, or motor vehicles, or handling of hazardous materials and/or waste as part of the job duties. Gains experience by working on the following items with minimal supervision: • Engine overhaul • Fuel systems • Electrical systems • Transmissions • Cooling systems • Chassis • Brakes • Engine tune-up • General maintenance.

New!

Saint Louis, MO1 day ago

Crown also offers Service Technicians:* Award-Winning Service Training* Company Vehicle for Field Service Technicians* Tool Insurance* No Flat Rate* 40 Hours Per Week plus Overtime* Uniforms* Specialty Tools* Primarily 1st Shift* Career Advancement OpportunitiesEOE Veterans/DisabilitiesNearest Major Market: St LouisJob Segment: Warehouse, Diesel Mechanic, Maintenance Mechanic, Forklift, Electrical, Manufacturing, Engineering Our global sales and service network provides our customers with a local resource for a wide variety of quality material handling equipment, fleet management solutions, warehouse products and support services to meet their needs anytime, anywhere.

MO30+ days ago

Any person performing the position while under the influence of marijuana or any other illegal drug may constitute a threat to health or safety or in which a lapse of attention could result in injury, illness, or death, including without limitation a position that includes the operating, repairing, maintaining, or monitoring of heavy equipment, machinery, aircraft, motorized watercraft, or motor vehicles, or handling of hazardous materials and/or waste as part of the job duties. • CDL AC • Brake and DOT Annual Inspector Certifications • Must have at a minimum one specialization (i.e., engine drive train) • Minimum of 4 years experience or vocational • Necessary tools to perform position • Must have good customer relations and communication.

MO30+ days ago

Weekly pay - get paid every Friday for added convenience and financial flexibility • Safe driving & Tech efficiency bonuses • Safety Boots & Safety Glasses reimbursement • Extreme weather gear (Cold & Hot) • Uniforms provided with laundry service where available • Take the service truck home daily (stop paying for gas!) • Tablet & company cellphone provided • Technical training provided to advance your career • Dedicated career path - Over 50% of our front-line managers are promoted from within. • Diagnose, adjust, and repair various types of truck equipment including, but not limited to the following: Electrical/Brake/Cooling Systems, Starters/Alternators, Air conditioning systems, Fan clutches, Engine electronics, Diesel steering systems, Engines (gas and diesel), Transmissions (manual and automatic), Clutches, Differentials, etc.

East Saint Louis, IL13 days ago

Preferred Requirements: Truck OR Trailer repair experience, Own Tools, Valid Drivers License. Knowledge of emissions, A/C, diagnostics, diesel engines, air, electrical, mechanical, and hydraulic systems.

St. Louis, MO30+ days ago

SA Recycling, an industry leader in the metals recycling and processing industry, is looking for a Diesel technician capable of performing all necessary diagnostic, repair, service, and maintenance activities, both in a shop setting and in the field, for all heavy-duty diesel-powered trucks used in the recycling industry. Conduct basic to complex diagnostic testing, troubleshooting, and service and repair tasks for mechanical, fuel, brake, suspension, hydraulic, cooling, and electrical systems.

granite city, IL30+ days ago

$25–$49

The primary duties of a diesel mechanic include performing diagnostic tests on diesel vehicles to find faults, analyzing diagnostic test results and repairing or replacing engine, steering, transmission, braking or lighting system components. Replacing vehicle engines, steering mechanisms, transmissions and braking systems.

Eureka, MO30+ days ago

Although most dont realize it, our products are used to build the homes, roads, and bridges that people throughout the Midwest use every day of their lives! Conduct fuel, electrical, mechanical, hydraulic diagnostics and troubleshooting on a wide range of mobile equipment.

New!

Saint Louis, MO1 day ago

Essential Skills and Experience:Masterful skills in repairing powered industrial equipment, with a minimum of two (2) years' experience fixing forklift trucks and other products we represent, including LP Gas, diesel, and electric forklift trucks. Continuous Learning Opportunities: Foster your growth with regular training and development programs, staying at the forefront of industry trends.

St. Louis, MO30+ days ago

SA Recycling, an industry leader in the metals recycling and processing industry, is looking for Heavy Equipment Mechanic capable of performing all necessary diagnostic, repair, service, and maintenance activities, both in a shop setting and in the field, for all heavy and small diesel-powered mobile equipment used in the recycling industry. Conduct basic to complex diagnostic testing, troubleshooting, and service and repair tasks for mechanical, fuel, brake, suspension, hydraulic, cooling, and electrical systems.

Sauget, IL30+ days ago

Download and save to Paccar Solutions Decisiv all pictures, engine files before and after repair, and diagnostic test used to perform repair. Performs diagnostic mechanical repairs on heavy-duty truck equipment and related components.

Ferguson, MO30+ days ago

Repairs, overhauls, and maintains all gasoline and diesel powered engines, manual and automatic transmissions, and other mechanical equipment on cars, vans, pickup trucks, light trucks, up through and including class eight trucks, heavy construction equipment, specialized sewer cleaning equipment,compressors, etc. Desirable Knowledge, Skills and Abilities:Considerable knowledge of the principles, practices, tools and methods of automotive, truck, and heavyequipment repairs.

Saint Peters, Missouri8 days ago

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.

Columbia, IL30+ days ago

$20–$35 Per Hour

Luhr Crosby, LLC is committed to providing a safe and drug-free workplace and complying with all applicable federal, state, and local laws and regulations regarding drug testing and employment. A Diesel/Construction Equipment Mechanic is responsible for inspecting, diagnosing, and repairing machinery, and ensuring they operate efficiently and safely.

Wood River, Illinois26 days ago

$26–$40

Copy & paste link to apply directly on our Company page: https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=71be430b-dc40-429b-b662-0246597234e4&ccId=9201300487527_2〈=en_US. We are a fast-growing, innovative transportation company seeking individuals who align with our company values of pursuing excellence, operating with high integrity, having a positive attitude, and being solutions-oriented.

Collinsville, Illinois9 days ago

$18.25–$22.25 Per Hour

We offer opportunities for growth, competitive benefits, a people first environment, and an opportunity to work alongside dedicated associates who share a passion for providing an exceptional experience and service to our rural communities. Proficiency in navigating and utilizing in-store technology resources, including CRM software, diagnostic programs, barcode scanning systems, and wireless handheld devices.

Missouri, MO30+ days ago

What Youll Do: As an Automotive Mechanic (B Tech), you will perform essential mechanical repairs and maintenance on a diverse fleet of newer moving vans and box trucks across multiple brands with minimal technical supervision. Working knowledge of ASE certification areas including, but not limited to: Engine Repair, Drivetrain/Axles, Suspension/Steering, Brakes, Electrical, Heating/Air Conditioning, Engine Performance, and Light Vehicle/Diesel.

Bridgeton, MO30+ days ago

Diagnoses and repairs tractors and trucks using well-established policies and procedures, as well as hand and power tools; this includes, but is not limited to, various types of braking systems (hydraulic, air, disc), electrical systems, clutches, air conditioning and heating systems and instruments and gauges, steering mechanisms, wheels, tires, batteries. • Extensive diagnostic and repair knowledge including all areas of discipline manufactured with various OEs.

Bridgeton, MO13 days ago

Hamel, IL30+ days ago

With nearly 40,000 team members, travel stops are the core business along with products and services that provide value for professional drivers, fleets, traveling public, RVers, alternative energy and wholesale fuel customers. Our Culture: Fueling customers' journeys since 1964, innovation leads the way for this family-owned and operated business headquartered in Oklahoma City.

Troy, IL30+ days ago

$18.50–$26 Per Hour

Missouri, MO30+ days ago

If you take pride in quality repairs and want to work on a diverse fleet of newer cargo vans and box trucks across multiple brands, join the Avis Budget Group team supporting Budget Truck operations. This includes preventive maintenance, oil and fluid services, tire repairs, brake and suspension work, electrical diagnostics, and warranty-related repairs based on your skill level.

St. Louis, MO30+ days ago

Full-time

Our Generator Service & Maintenance Division is seeking qualified Generator Service Technicians to maintain, troubleshoot, diagnose, repair, and test generators ranging from 5 kw to 4000kw while providing best in class service to customers! If you’ve always wanted to really make a difference, have your contributions mean something, and work for a place where loyalty, integrity, and hard work still means something, we want to hear from you!

Collinsville, IL30+ days ago

As a well-known Carrier Refrigeration, Volvo Trucks, Hino, and TICO yard tractors dealership, we have 15 locations throughout Illinois, Missouri, Wisconsin, and Tennessee. Job Duties: Performing mechanical repairs of refrigeration units and APUs in the shop and at customer locations.

Edwardsville, IL20 days ago

$18–$25 Per Hour

Capable of bending, twisting, turning, lifting, stretching, pushing, pulling, and crouching as needed to perform the various essential functions and job duties of this role. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, and credentials, when determining the base salary offered.

Hazelwood, MO30+ days ago

Automotive Technician, Diesel Mechanic, General Mechanic, Brake Technician, Transmission Technician, Engine Mechanic, Electrical Mechanic, Master Technician, Certified Automotive Technician (ASE), L1 Technician, L2 Technician, L3 Technician, Mechanic, Automotive Service Technician, General Service Technician, Master Automotive Technician, Automotive Mechanic, Automotive Mechanic Technician, Automotive Repair Technician, Automotive, Specialist, Automotive Diagnostic Technician, Automotive Maintenance Technician, Automotive Engine Technician, Brake Technician, Clutch Technician, Diesel Technician, Electrical Technician, Engine Technician, Exhaust Technician, Fuel Injection Technician, Hybrid Technician, Transmission Technician, Fleet, Heavy Duty Mechanic, Light Duty Mechanic. #veteran #army #marine #navy #airforce #coastguard #nationalguard #womensupportingwomen #femcanicgarage #nowhiring #applytoday #instajob #womeninautomotive #community #autorepair #mechaniclife #carmaintenance #autojobs #automotivecareers #womentrades #diversityintech #skilledtrades #futureofwork.

St. Louis, MO30+ days ago

Cogent Infotech is a leading tech consulting firm headquartered in Pittsburgh, PA, offering cutting-edge digital transformation solutions in Cloud, Cybersecurity, Data Analytics and AI. The distinguishing characteristics of this classification include responsibility for repairing and maintaining a wide range of complex equipment and vehicles such as fire vehicles, construction equipment, tow trucks, and others.

Berkeley, Missouri20 days ago

$22–$32 Per Hour

If you enjoy troubleshooting mechanical issues and keeping fleet vehicles running reliably, this is a great opportunity to grow your career with a stable national company. Amerit Fleet Solutions, a leader in fleet maintenance across the U.S., is hiring a skilled Automotive Technician/Mechanic to join our team in Berkeley, MO.

St Charles, MO30+ days ago

Regular duties include providing light services to park vehicles and equipment including pickup trucks, law-enforcement vehicles, diesel and propane mowers, two-cycle engines, motorcycles, and trash trucks. Conduct regular preventative maintenance services and help support Parks Mechanic with on-going repairs and needs to keep parks equipment functioning and safe.

Maryland Heights, MO7 days ago

Performs inspections, diagnosis and repair of engine and powertrain components, electrical, hydraulic, suspension, brake and air systems on vehicles and equipment. Some of the heavy equipment currently on site: Compactors, Dozers, Excavators, Motor grader, Water truck and Articulated Dump Trucks.

Missouri, MO30+ days ago

What Were Looking For: • Valid Drivers License and good driving record • Minimum of 2 years of professional auto repair experience or automotive coursework with certifications • At least 1 ASE certification, with the ability to obtain 2 additional ASE certifications within the first year • Working knowledge of ASE certification areas including, but not limited to: Engine Repair, Drivetrain/Axles, Suspension/Steering, Brakes, Electrical, Heating/Air Conditioning, Engine Performance, and Light Vehicle/Diesel • Comfortable working in a mechanical shop with moderate to loud noise levels • Must have a complete set of tools required for automotive repair and maintenance • Basic computer skills, including typing and data entry • Must be able to lift up to 50 pounds, continuously stand, bend, reach, walk, sit and kneel frequently, enter, exit and drive vehicles • Must be 18 years of age and legally authorized to work in the United States • This position requires regular, on-site presence and cannot be performed remotely • Previous Original Equipment Manufacturer (OEM) experience is preferred and considered a strong advantage. Your responsibilities may include oil and fluid services, tire repairs, brake work, suspension repairs, and other routine maintenance or warranty-related repairs based on your experience level.

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Diesel Mechanic Jobs in Jennings, MO

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Mobile Diesel Mechanic Rush Enterprises

Diesel Mechanic Rush Enterprises

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Mechanic - Diesel Auto Forklift CROWN EQUIPMENT CORPORATION

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Mobile Diesel Mechanic II $5,000 New hire Bonus Cox Enterprises Inc

Diesel Truck Trailer Mechanic MasterTech

Diesel Technician SA Recycling LLC

AUTOMOTIVE DIESEL TECH FORD National Automotive Training Academy

Heavy Equipment Mechanic Central Stone Co

Forklift Mechanic - Shop Wolter

Heavy Equipment Mechanic SA Recycling LLC

Diesel Service Technician The Larson Group

Heavy Equipment Mechanic Senior Metropolitan St. Louis Sewer District

Trailer Mechanic/Technician Amerit Fleet Solutions

Mechanic Luhr Crosby, LLC

Automotive Mechanic II and III Master's Transportation

Mechanic I (Illinois) Rural King Supply

Heavy Duty Mechanic - Budget Truck - FT Avis Budget Group Inc

Diesel Technician Hogan Transportation

Diesel Technician(3rd Shift) Hogan Transportation

Diesel Technician Love's Travel Stops & Country Stores

Diesel Technician Apprentice Love's Travel Stops & Country Stores

Mobile Truck Mechanic - Budget Truck - FT Avis Budget Group Inc

Generator Technician Power Plus

Refrigeration Technician Gateway Industrial Power, Inc.

Preventative Maintenance Technician Utilitra

Roadside Technician Commercial Tires - Hazelwood, MO The Goodyear Tire & Rubber Co

Fleet Maintenance Tech III Cogent Infotech Corporation

Automotive Technician- potential bonus up to $5,000!!! Amerit Fleet Solutions

Parks Equipment Technician City of St. Charles, MO

Heavy Equipment Technician Waste Connections

Automotive Technician - FT Avis Budget Group Inc

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