47 Results for

Diesel Mechanic Jobs in Saint Louis, MO

Jobs

New!

Wood River, IL1 day 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.

St. Louis, MO30+ days ago

Must have (3) years of verifiable hands-on experience as a heavy duty commercial diesel mechanic or reefer mechanic or a combination of both; or (2) years verifiable hands-on experience with either Diesel Mechanic Certification or TK/Carrier Refrigeration Certification or both. US Foods is one of America’s great food companies and a leading foodservice distributor, partnering with approximately 300,000 restaurants and foodservice operators to help their businesses succeed.

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.

BRIDGETON, Missouri19 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).

St. Louis, MO8 days ago

Must be able to do moderately strenuous work, including but not limited to the ability to lift over 75 pounds and endure long periods of standing/walking as well as continuous strenuous activities such as frequent reaching, bending, or lifting. Duties include adjusting equipment, repair or replace defective parts, diagnosing faults or malfunctions using testing equipment, and cleaning or performing maintenance work.

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.

St Louis, Missouri30+ days ago

The worker is required to have visual acuity to perform an activity such as: visual inspection involving small defects, small parts, and/or operation of machines (including inspection); using measurement devices; and/or assembly or fabrication of parts at distances close to the eye. Overview: Dohrn Transfer is a leading Midwest LTL Carrier providing less-than-truckload, truckload, and value-added services throughout our 10-state service area.

Bridgeton, MO30+ 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.

Granite City, Illinois30+ 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, Illinois30+ days ago

With more than 200 locations and nearly 8,000 dedicated employees, Rush Enterprises operates Rush Truck Centers—the largest network of commercial vehicle dealerships in North America—committed to delivering exceptional customer service, personalized support, and comprehensive solutions tailored to every fleet’s 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.

New!

St Louis, MO5 days ago

High school diploma or equivalent; additional technical training in diesel mechanics preferred. In this role, you will have the opportunity to work on a variety of diesel engines and equipment, providing top-notch service to our clients on the go.

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.

New!

St. Louis, MO1 day ago

Diagnose malfunctions and perform vehicle repairs including steering, electrical, cooling, lubricating, braking systems, drive trains, suspensions, power steering units, clutches, transmissions, and oil, temperature, gas regulating components, and related assigned duties within qualification level, in accordance with all relevant Federal, State/Provincial and local guidelines and requirements. Identify and report any additional maintenance and/or repairs found necessary in conducting assigned repairs and maintenance including repairs and maintenance required to be performed by Technicians with a higher qualification level.

St. Louis, Missouri30+ days ago

Responsibilities: Deliver high-quality routine inspections, maintenance, and repairs on diesel engines and coach-related components of over-the-road buses . Your day-to-day involves more than just fixing engines; you'll be part of a tight-knit team that helps change how people travel.

Troy, IL27 days ago

$19.95–$19.95 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. As a Diesel Technician, you will provide accurate, efficient service to customers by troubleshooting, diagnosing, and repairing heavy duty trucks and trailers in a professional and accommodating manner.

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.

Belleville, IL30+ days ago

White Tank & Truck Repair,is looking for a truck mechanic skilled in diagnostics and repairs to join their team as a Diesel Technicianin Belleville, IL. Perform general services such as oil changes, grease jobs, brakes and suspensions, valve, gasket, and hose repairs, tires, and air leaks.

Berkeley, Missouri30+ days ago

$22–$36.50 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, MO7 days ago

We specialize in a broad range of construction markets including Highway/Bridge, Airfield/Federal, Rail/Mass Transit and Alternate Delivery including Design-Build. Work may involve a variety of substances commonly found on construction sites such as form oil, grease, curing compounds, gasoline, diesel fuel and ready mixed concrete.

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.

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.

Collinsville, Illinois30+ 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.

St. Louis, MO12 days ago

Demonstrated proficiency in performing advanced maintenance functions in a safe manner, including but not limited to the following: Industrial electronics, welding, pipe fitting, carpentry, shop machine operation, pump repair, boiler repair, HVAC.(May be either from education or experience). Ability to access all parts of all production equipment, including, but not limited to the following: Confinedspaces; ceiling mounted equipment; equipment in pits, machines that must be climbed, crawled under, orotherwise entered with limited access.

New!

Wood River, Illinois3 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.

Maryville, IL21 days ago

The Heavy Equipment Mechanic is responsible for performing preventative maintenance, inspections, diagnostics, and major repairs on Brewster Companies' fleet of heavy construction equipment, trucks, trailers, and support vehicles. Diagnoses, troubleshoots, and repairs mechanical, electrical, hydraulic, and pneumatic issues on heavy equipment, semi-trucks, pickup trucks, trailers, and support tools.

Bridgeton, MO13 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

New Baden, 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

Granite City, Illinois7 days ago

$28–$32 Per Hour

Perform scheduled inspection, basic and advanced preventative and predictive maintenance on equipment to ensure production teams are able to meet goals for up-time and budget targets. The final pay offered to a successful candidate will be based upon various factors unique to each individual that may include, but are not limited to years of experience, industry knowledge, technical skills, education, qualifications, etc.

Sauget, IL30+ days ago

$30–$35 Per Hour

Award-winning brands include Belgard® hardscape, Echelon® Masonry, MoistureShield® composite decking, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, Lawn & Garden mulches and landscape features, and Techniseal® sands and sealant technologies. The employee must have the capability to perform physical activities that require considerable use of arms, legs, and your whole body – bending, crouching, climbing - using steps and ladders, pushing pulling, stooping and reaching.

New!

St Charles, MO5 days ago

Assists with analyses and inspections of vehicles and mechanical systems to determine the most cost-effective means of maintenance, repair or replacement. Applicants must possess a personal complete set of heavy equipment and light duty mechanics tools for use in vehicle and equipment repair.

St Charles, MO30+ days ago

Paid Holidays: Celebrate and unwind with 7 paid holidays-New Year's Day, Memorial Day, July 4th, Labor Day, Thanksgiving, Christmas Eve, and Christmas Day-plus a closed day after Thanksgiving to spend quality time with loved ones. Associate Benefits at National Cart Company: Supporting Our Work FamilyAt National Cart Company, a proud family-owned business, we treat our employees like family, offering benefits designed to support your well-being, growth, and work-life balance.

New!

National Stock Yards, IL1 day ago

$28–$33 Per Hour

Ability to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps and assorted tools and equipment. You will serve as a valued resource for utilizing your mechanical expertise to ensure Herc fleet remain in proper operating condition on our customer jobsites, at all times.

New!

St. Louis, MOToday

$34–$36 Per Hour

The primary focus of a Herc Rentals Mechanic B is to utilize their mechanical knowledge to support fleet maintenance operations needed to keep Herc Rentals equipment on the rental "ready line". Ability to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps and assorted tools and equipment.

New!

Hazelwood, MOToday

The primary focus of a Herc Rentals Mechanic C is to utilize their mechanical training to contribute to fleet maintenance operations needed to keep Herc Rentals equipment on the rental "ready line". Ability to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps and assorted tools and equipment.

New!

St. Louis, MO1 day ago

You’ll work 12-hour day or night shifts on an alternating schedule (three days one week, four the next), bringing hands-on skill to a fast-paced manufacturing environment—and you’ll be welcomed with a $1,500 sign-on bonus paid in three $500 installments after 3 months, 6 months, and one year. You’ll blend electrical, mechanical, pneumatic, and hydraulic know-how to keep assets performing, jump on root-cause troubleshooting when something’s off, and complete preventive maintenance so issues don’t return.

St. Louis, MO30+ days ago

Full-time

If you are a career-minded equipment mechanic seeking a cleaner, smarter work environment or a field mechanic willing and able to repair equipment vital to our nation's infrastructure, and if you are ready to join a team of 45+ service centers and a broad network of mobile technicians, then we want to meet you! Experience with aerial devices, digger derricks, chippers, cranes; or construction, mining, farm equipment such as excavators, skid steers, dozers or tractors; or military heavy equipment such as the MRAP vehicle, HMEE, or tanks; aircraft and aerospace or ground support equipment (AGE/GSE) or similar .

Waterloo, IL30+ days ago

Full-time

Sauget, IL30+ days ago

$30–$35 Per Hour

Bridgeton, Missouri20 days ago

MTS will be providing a stocked service truck and the necessary shop tools but the candidate will need their own mechanics hand and power tools. Preform a variety manual tasks for extended periods of time, which may include light and heavy lifting, standing, bending and squatting.

St. Louis, MO13 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.

New!

Saint Louis, MOToday

The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, location, education, training, experience, skills, and ability. 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.

New!

Berkeley, Missouri6 days ago

$22–$36.50 Per Hour

Bridgeton, Missouri20 days ago

Martin Transportation Systems has an opening for a Working Shop Foremanat our Bridgeton, MO terminal. Knowledge of different tires & cost of maintaining tires on tractors and trailers.

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.

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Diesel Mechanic Jobs in Saint Louis, MO

Jobs

Diesel Mechanic IIIKenan Advantage Group

DoD SkillBridge Fleet Mechanic - Diesel TechnicianUS Foods

Diesel MechanicRail Management Services

Diesel Mechanic MobileRyder

Diesel Mechanic for Ready Mix Concrete Operation.Kienstra Co

Diesel MechanicSt. Louis Composting

Diesel Mechanic - $2.50/hr Premium with IncentivesDohrn

2nd Shift Diesel MechanicWaste Connections

Mobile Diesel MechanicRush Enterprises

Diesel MechanicRush Enterprises

Mobile Diesel MechanicExpress Saint Louis

Diesel Engine MechanicSt. Louis Composting

Diesel Technician/Mechanic IIZum Transportation

Diesel MechanicGreyhound Lines, Inc.

Diesel Tech-MechanicTravelCenters of America

AUTOMOTIVE DIESEL TECH FORDNational Automotive Training Academy

Diesel TechnicianWork Rocket

Automotive/Diesel Technician- sign on bonus up to $5,000!!!Amerit Fleet Solutions

Heavy Equipment MechanicMillstone Weber LLC

Heavy Equipment Mechanic SeniorMetropolitan St. Louis Sewer District

MechanicLuhr Crosby, LLC

Mechanic I (Illinois)Rural King Supply

Industrial Maintenance Mechanic IISTERIS - Operations

Automotive Mechanic II and IIIMaster's Transportation

Heavy Equipment MechanicBrewster Companies

Diesel Technician(3rd Shift)Hogan Transportation

Diesel TechnicianHogan Transportation

Diesel TechnicianLove's Travel Stops & Country Stores

Diesel Technician ApprenticeLove's Travel Stops & Country Stores

Plant Maintenance Mechanic IIWieland

Maintenance MechanicAPG National Group

Fleet MechanicCity of St. Charles, MO

Manufacturing Maintenance MechanicNational Cart Co.

Field Service Mechanic B - East St. Louis ILHerc Rentals Inc

Mechanic B - Saint Louis MOHerc Rentals Inc

Mechanic C - Hazelwood MOHerc Rentals Inc

Industrial Maintenance Mechanic (Plastics Blow Molding)Pretium Packaging - USA

Equipment Mechanic - FieldAltec, Inc.

Equipment Mechanic - Field (\$1500 Sign-On Bonus)Altec, Inc.

Maintenance MechanicCRH Americas

Mobile Maintenance Technician - Bridgeton, MOMartin Transportation Systems

Generator TechnicianPower Plus

Refrigeration TechnicianGateway Industrial Power, Inc.

Service Tech - Flooring SolutionsUnited Rentals

Automotive Technician - Sign-On Bonus up to $5,000!!Amerit Fleet Solutions

Shop Foreman - Bridgeton, MOMartin Transportation Systems

Parks Equipment TechnicianCity of St. Charles, MO

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