92 Results for

Diesel Mechanic Jobs in Firestone, CO

Jobs

Commerce City, CO22 days ago

$35–$35

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.

Commerce City, CO23 days ago

$32–$32

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. Required Experience: 2+ 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 experience in A/C refrigerationCompany description.

Brighton, CO11 days ago

$26–$33

We specialize in staffing in the areas of Engineering, Construction Management, Manufacturing, Information Technology, Aerospace & Defense, Administrative-Accounting-Finance, Call Center Operations, Life Sciences, Healthcare, Skilled Trades and Logistics. Perform the removal, repair and installation of transmissions, engines, brakes, differentials, pumps, motors, torque convertors, final drives and other heavy equipment systems or components.

New!

Loveland, COToday

Willingness to travel as necessary within the district (customers’ yards, close geographical area and training sites), 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) and pass a drug screening. Penske Truck Leasing/Transportation Solutions is a premier global transportation provider that delivers essential and innovative transportation, logistics and technology services to help companies and people move forward.

Brighton, CO30+ days ago

$25–$40
Full-time

Job DetailsJob Location: Brighton - Brighton, CO 80601Position Type: Full TimeEducation Level: NoneSalary Range: $25.00 - $40.00 HourlyTravel Percentage: Road WarriorJob Category: Skilled Labor - TradesAt Rocky Mountain Truck Centers (RMTC), we’re searching for elite Roadside Diesel Technicians who are ready to rise to the challenge and prove their skills. Our generous annual training budget of $7,900 per technician covers ongoing development and certification, including: • Access to specialized courses like Meritor and OEM training.

New!

Henderson, CO3 days ago

$22–$35

TransForce has built a reputation for reliable pay, consistent work, and flexibility that big operators can't match. If you have hands-on mechanical experience — including military mechanical training — we want to talk.

Denver, CO13 days ago

Required to wear personal protective equipment (PPE) including safety shoes, vests, and glasses, ear plugs, and hard hats, with additional PPE for tasks like welding or repairs . The role focuses on conducting preventative maintenance, diagnosing and repairing mechanical, electrical, and hydraulic systems, and responding promptly to service requests.

New!

Loveland, CO3 days ago

$35–$42 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.

New!

Brighton, Colorado3 days ago

We are seeking a motivated individual who can help diagnose, repair & maintain our fleet of Street Sweeping trucks. We would love to add someone seeking a long-term position where their skills & experience are valued in our small family-owned company.

Greeley, CO24 days ago

$25–$45 Per Hour

If you're a skilled diesel technician seeking strong pay, stability, and advancement opportunities, this role offers a clear career path and performance-based earning potential. If a job offer is made for this position, it will be contingent upon passing a pre-employment drug test, background check, and determination of insurability for positions that require driving.

New!

Wheat Ridge, CO4 days ago

$19–$20 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.

Commerce City, Colorado30+ 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.

New!

Erie, CO6 days ago

$20–$58 Per Hour

As a Diesel Mechanic - 2nd Shift, you will be joining a team that provides company paid continued education and training, invests in up-and-coming technicians entering the workforce, and takes pride in providing clean shops with the latest tooling and computer diagnostic equipment. Familiarity with all aspects of gas and diesel truck repair and maintenance including engine repair, transmission repair, drivability and electrical diagnostics, suspension, brake systems, etc .

New!

Greeley, CO6 days ago

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. The Experienced Diesel Technician is responsible for providing service to our customers while maintaining exceptional customer service.

Denver, CO12 days ago

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. Our network of Idealease and PacLease partners allow us to offer our customers complete truck leasing and rental solutions across our network of dealerships.

Commerce City, CO30+ 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.

Greeley, CO30+ days ago

New!

Greeley, CO3 days ago

New!

Greeley, CO3 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. Handle basic maintenance of the truck including filling tank with fuel, checking oil, keeping it clean, and making sure required inspections are performed and documented as assigned.

New!

Johnstown, CO3 days ago

The ideal candidate will be responsible for maintaining and repairing a variety of diesel-powered vehicles and equipment, including trucks, mixers, and other heavy machinery used in the concrete industry. Key Responsibilities: Perform routine maintenance and inspections on diesel engines and equipment, including oil changes, lubrications, and filter replacements.

New!

Brighton, CO3 days ago

$30–$45 Per Hour

HBSCO LLC is a solid waste company seeking an experienced Heavy Duty Diesel Mechanic to join our fast-growing shop in Brighton, Colorado. Complete required documentation, including parts usage, labor hours, and repair records using the company's truck maintenance system .

New!

Denver, CO5 days ago

$24–$40

Our services include trailer repairs, mechanical repairs, electrical repairs, brakes, suspensions, welding & fabrication and so much more! Our services include trailer repairs, mechanical repairs, electrical repairs, brakes, suspensions, and so much more!

Aurora, CO30+ days ago

Full-time

Perform preventive maintenance (lube, oil change, replace belts, hoses, inspect brakes, repack bearings, check tires, on all size vehicles. Individual Skills and Competencies : Ability to read and understand technical service manuals, repair orders, labels, and gauges (in English).

Greeley, CO30+ days ago

This individual will have a passion for automotive and be extremely familiar in a particular manufacturer line and have received all manufacturer certifications including but not limited to engine mechanical, engine control systems, electric, hydraulic brake systems, suspension, heating/air conditioning, instruments/gauges, drivability, intermittent issues and noises. Ability to Achieve Targeted Goals by completing the work, notations and time-keeping necessary to the successful completion of warranty repair orders and the filing of warranty claims.

Denver, Colorado30+ days ago

$27.50–$36 Per Hour

With headquarters near Brussels and a team of approximately 1700 employees, we operate globally across over 200 airports in America, Europe, Asia Pacific, and the Middle East. TCR North America is growing fast, and we're looking for a skilled and motivated Service Technician/Mechanic – GSE/Diesel to join our Denver, CO team.

Commerce City, CO16 days ago

$18–$19 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.

Commerce City, CO30+ days ago

$18–$19 Per Hour

New!

Loveland, CO6 days ago

Willingness to travel as necessary within the district (customers' yards, close geographical area and training sites), 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) and pass a drug screening. Penske Truck Leasing/Transportation Solutions is a premier global transportation provider that delivers essential and innovative transportation, logistics and technology services to help companies and people move forward.

Henderson, CO29 days ago

$90,000–$120,000 Per Year

diesel technician jobs, journeyman diesel mechanic, heavy duty truck repair jobs, semi truck mechanic jobs, diesel engine repair technician, fleet maintenance technician, mobile diesel mechanic jobs, truck repair careers, diesel shop hiring, heavy equipment mechanic jobs. We’re hiring an experienced Journeyman Diesel Technician specializing in heavy duty truck repair, diagnostics, and fleet maintenance.

Denver, Colorado30+ days ago

$25.24–$37.84

Diagnose cause of any malfunction and perform repairs to manufacturer specifications including but not limited to engines, transmissions and clutches, drive-line, differential, steering and suspension, fuel and ignition system, exhaust systems (including regeneration systems), intake systems, electrical systems, brake systems, HVAC systems and lift-gate hydraulic, mechanical and electrical systems. JOB SUMMARY:To provide safe, reliable and cost-efficient vehicles by performing quality preventive maintenance inspections and repairs as well as performing expert diagnosis and repair as required to prevent breakdowns on road, reduce vehicle downtime and improve total fleet reliability.

COMMERCE CITY, CO30+ days ago

Join a team that values hard work, learning, and taking pride in blessing and serving others through your work. Perform oil changes, tire services, and basic mechanical tasks.

Aurora, Colorado30+ days ago

SRM Concrete, a national leader in ready mix concrete, is hiring Fleet Mechanics to keep our fleet of mixer trucks, loaders, dump trucks, tankers, and other essential vehicles running safely and efficiently. Diagnose and repair mechanical, electrical, and hydraulic issues in mixer trucks, loaders, dump trucks, tankers, and other heavy equipment.

Johnstown, Colorado30+ days ago

Denver, Colorado30+ days ago

Denver, CO30+ days ago

$24–$29

This role performs scheduled preventative maintenance, diagnoses issues across all major vehicle systems, collaborates with drivers and other mechanics, and ensures equipment is kept in optimal working condition to support reliable waste hauling operations. Blue Bear Waste Services provides comprehensive waste management and recycling solutions for residential, commercial, and construction projects.

New!

Windsor, CO3 days ago

$30–$50 Per Hour

Communicates effectively with Service Writer, Shop Coordinators and Shop Managers to ensure problems, nature of repair, and status of repairs are understood and followed up on. Summary: RMS Crane and Rigging Inc. is currently seeking a full-time experienced Service Manager -Crane/Heavy Equipment Mechanic to help build our branch.

Arvada, CO30+ days ago

$20–$25 Per Hour

Keywords for job seekers: Mechanic, Small Engine Mechanic, Equipment Technician, Service Technician, Agricultural Mechanic, Lawn Equipment Mechanic, Diesel Mechanic, Automotive Mechanic looking for change, HVAC Technician, Maintenance Technician, Sprayer Technician, Pump Technician . - 1-2+ years hands-on mechanical experience (small engines, automotive, HVAC, diesel, lawn equipment, agricultural equipment, or similar) .

Loveland, CO11 days ago

$35–$45 Per Hour

This position is responsible for diagnosing, repairing, and maintaining heavy equipment in the field to keep our customers operating safely and efficiently. We are looking for an experienced and motivated Heavy Equipment Field Mechanic to join our team.

Denver, Colorado30+ days ago

The Field Service Technician is a mechanic responsible for troubleshooting and repairing fleet vehicles (to include pickups, semis, and heavy equipment), water well construction equipment, drilling equipment, and pump installation units. Granite Construction Incorporated is a member of the S&P 400 Index and is the parent company of Granite Construction Company, one of the nation's largest heavy civil contractors and construction materials producers.

Denver, CO17 days ago

Full-time

We deliver safe, efficient, and innovative subsurface solutions to support the maintenance and construction of our communities’ critical infrastructure through our expansive fleet and the most talented, highly skilled team in the industry. If you thrive working outdoors and hands-on, here's what this role demands: Lifting, carrying, pushing, and pulling up to 50 lbs; frequent bending, kneeling, climbing, and working at heights.

Denver, CO30+ days ago

$30–$35 Per Hour

You are able to wear appropriate personal protective equipment (e.g., safety shoes, high-visibility clothing, hand protection, eye protection, hearing protection, head protection). + Ability to work outdoors/indoors in moderate to extreme weather conditions (e.g., temperatures more than 100°F, temperatures below 32°F, various levels of humidity).

New!

Loveland, CO3 days ago

Henderson, CO30+ days ago

Full-time

Clean Harbors Henderson, CO is looking for a Diesel Vehicle Mechanic to join their safety conscious team! This position will be responsible for the repairs and preventative maintenance of all company owned fleet.

Aurora, Colorado30+ days ago

As a Mechanic, you will play a vital role in ensuring our fleet and heavy equipment remain reliable and efficient, keeping our operations running smoothly. Overview: Are you a skilled mechanic with experience in diesel and gas-powered trucks as well as heavy equipment like forklifts and cranes?

New!

Denver, CO4 days ago

$52,000–$85,000 Per Year

The mechanic will advise customers on necessary repairs or maintenance, ensure that equipment operates according to manufacturer specifications, and maintain detailed service documentation to support both in-shop and virtual service interactions. We believe that skilled mechanics shouldn't be limited by traditional brick-and-mortar settings but should have the flexibility to work remotely, leveraging technology to provide expert services wherever they're needed.

AURORA, Colorado9 days ago

Every day.® by offering products that are frequently used and replenished, such as food, snacks, health and beauty aids, cleaning supplies, basic apparel, housewares and seasonal items at everyday low prices in convenient neighborhood locations. Demonstrate gaining proficiency in the inspection, repair and diagnosis of - with some assistance: diesel engines, power train to include differentials, transmissions, clutches, drive shafts, wheel .

New!

Longmont, CO6 days ago

Possession of valid Driveras License; prefer Class A or Class B CDL or the ability to obtain such a license within the new employee evaluation period (180 days) with driving record that meets company requirements in order to retrieve or test drive company commercial vehicles . Removes components for repair of replacement such as, but not limited to: alternators, starters, water pumps, radiators, condensers, compressors, clutches, transmissions, differentials, wheel assemblies, brakes, drivelines, gearboxes, pump, rollers, etc .

AURORA, Colorado9 days ago

Every day.® by offering products that are frequently used and replenished, such as food, snacks, health and beauty aids, cleaning supplies, basic apparel, housewares and seasonal items at everyday low prices in convenient neighborhood locations. Perform maintenance repairs as required to maximize safety and reliability on all fleet vehicles including tractors, trailers, lift-gates, and any company-owned equipment.

Commerce City, CO17 days ago

In joining the North American Truck and Trailer family, you're not just securing a job – you're becoming a vital part of a dynamic team that values camaraderie, respect, and mutual support. Maintain and service hydraulic systems used to operate plows, spreaders, and other snow removal attachments.

Denver, CO30+ days ago

Perform highly skilled and complex mechanical repairs on heavy equipment, including, but not limited to excavators, loaders, graders and commercial vehicles. Inspects equipment conditions (wear, alignment, function, etc.) and monitors oil flow and temperature observing gauges to measure performance.

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Diesel Mechanic Jobs in Firestone, CO

Class A Diesel Mechanic Technician Performance Foodservice

Class B Diesel Mechanic Technician Performance Foodservice

Diesel Mechanic Staff Experts

Diesel Technician/Mechanic II Penske Truck Leasing Co., L.P.

Roadside Diesel Technician ROCKY MOUNTAIN TRUCK CENTER GROUP

Intermodal Trailer Technician - Up to $35/hr DOE - Veteran Friendly TransForce Inc.

Heavy Duty Mechanic BURNCO Colorado LLC

Diesel Technician/Mechanic Amerit Fleet Solutions

Diesel Mechanic Allstate Sweeping, Inc

Ag Service Technician (Diesel Mechanic - Agriculture Equipment) 21st Century Equipment

Apprentice Diesel Tech-Mechanic TravelCenters of America

Mobile/Field Diesel Mechanic Technician Rush Enterprises

Diesel Mechanic - 2nd Shift - Pay Up To $58/hr & Weekends Off! TRANSWEST

Experienced Diesel Mechanic Rush

Diesel Mechanic Technician- HOURLY RATE Rush Enterprises

Diesel Mechanic Technician Rush Enterprises

2nd Shift Diesel Mechanic Rush Enterprises

Experienced Diesel Mechanic Rush Enterprises

Mobile Diesel Mechanic Rush Enterprises

Diesel Mechanic SRM360

Heavy Duty Diesel Mechanic HBS Trash

Diesel Mechanic All Colorado Trucks and Trailers

Diesel Mechanic Loomis Armored US, LLC

Diesel Technician/Mechanic DataClover

Service Technician/Mechanic - GSE/Diesel (Denver, CO) TCR

Mobile Diesel Tech-Mechanic PT TravelCenters of America

Mobile Diesel Tech-Mechanic TravelCenters of America

Diesel Technician/Mechanic II Penske Logistics

Journeyman Diesel Technician – Heavy Duty Truck Repair Schroeder Truck Repair, Inc.

Diesel Fleet Mechanic Technician II Sysco

Diesel Apprentice Full-time Sapp Bros., Inc.

Fleet Mechanic - Mixer Trucks & Heavy Equipment - Aurora, CO Smyrna Ready Mix, LLC

Fleet Mechanic - Mixer Trucks & Heavy Equipment - Johnstown, CO Smyrna Ready Mix, LLC

Fleet Mechanic - Mixer Trucks & Heavy Equipment - Denver, CO Smyrna Ready Mix, LLC

Diesel Technician - Entry Level Blue Bear Waste Services

Mechanic RMS Cranes

MECHANIC TECHNICIAN i2i Workforce

Field Mechanic - Heavy Equipment ETI GLOBAL

Layne Field Mechanic Granite Construction

Equipment Mechanic Pro-Vac

Mechanic BrightView

Field Mechanic - Heavy Equipment ETI Global

Vehicle Maintenance Mechanic Clean Harbors

Mechanic Barton Supply

Heavy Duty Mechanic Remote Mechanic Jobs

FLEET MECHANIC II Dollar General

Mechanic A Cemex

FLEET MECHANIC I Dollar General

Snowplow Mechanic North American Truck & Trailer, Inc.

Heavy Equipment Mechanic/Field Mechanic Martin Construction Inc.

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