88 Results for

Diesel Mechanic Jobs in Commerce City, CO

Jobs

New!

Commerce City, CO4 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.

New!

Commerce City, CO5 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.

New!

Boulder, CO3 days ago

$100,000–$120,000 Per Year

Our trained tire technicians perform all tire services and our automotive technicians perform vehicle diagnostics, maintenance, and repair. We are looking for an experienced A level technician with high level diagnostic skills, including electrical diagnosis, specializing in American and Asian vehicles.

Commerce City, CO18 days ago

$26.46–$36.37 Per Hour

5 +years of Technician experience with similar diesel equipment and/or heavy equipment or specialty lines equipment (large-scale generators, pumps, HVAC or Oil & Gas equipment) strongly preferred. Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.

Aurora, CO20 days ago

$19.05–$27.45 Per Hour

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

Henderson, CO18 days ago

Ability to determine vehicle condition by conducting inspections, scheduled PM's and diagnostic tests; identifying worn and damaged parts & replacement as needed. Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making.

Denver, CO9 days ago

Be part of a supportive, high-performing team that values your growth and success Enjoy competitive compensation and a comprehensive benefits package, paid time off, and more Experience our inclusive, collaborative, and safety-focused culture Take part in team events, professional development activities, and community initiatives Join us and be part of an organization that values safety above all. The role focuses on conducting preventative maintenance, diagnosing and repairing mechanical, electrical, and hydraulic systems, and responding promptly to service requests.

Commerce City, CO18 days ago

$27.50–$35.75 Per Hour

Plus, with benefits like Baby Bonding, My Holiday vacation time, and discounts on everything from movie tickets to cell phone bills, we're constantly evolving our resources to provide our people with tools to make their lives easier! We are working hard to challenge the typical ways of business and develop an environment where our employees feel safe, comfortable, and look forward to coming to work.

New!

Henderson, CO2 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, CO9 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.

Henderson, CO9 days ago

Englewood, CO30+ 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.

Denver, Colorado7 days ago

Skilled with Transmissions, exhaust systems, fuel systems, drivelines, differentials, hubs, and all other components of equipment including, pavers, millers, rollers, bobcats, Experienced working on Bobcats / skid steer equipment. In this role, you will be responsible for performing skilled tasks in the mechanical repair and maintenance of heavy trucks, earth moving, and related construction equipment.

Denver, CO30+ days ago

$25–$30 Per Hour

Required to be exposed to physical occupational risks (such as cuts, burns, exposure to toxic chemicals, etc.) often; + Required to be exposed to physical environment which involves dirt, odors, noise, weather extremes or similar elements often; + This job operates in both inside garage, shop or gas plant conditions as well as in outside conditions that include inclement weather, heat and humidity. + Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing.

Bailey, CO11 days ago

Complete required paperwork utilizing fleet maintenance software program associated with repairing vehicles, documenting parts usage, and accounting for repair times. Performs inspections, diagnosis, and repair of electrical, hydraulics, suspension brake and air systems on vehicles and equipment.

COMMERCE CITY, CO30+ days ago

Employee Perks: Enjoy valuable perks like tuition assistance, gym membership reimbursement, and exclusive discounts, including 25¢ off every gallon of gas and diesel. We are committed to our mission of Blessing and Serving others, ensuring that our work supports customers with 5-star service and a focus on Safety and Professionalism.

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.

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.

Henderson, CO30+ days ago

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).

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.

Aurora, CO30+ days ago

$29–$32 Per Hour

With a network of nearly 200 branches, Loomis armored transportation, cash management centers, and cash inventory vaults keep cash flowing throughout financial institutions and retail businesses across the US. Perform preventive maintenance (lube, oil change, replace belts, hoses, inspect brakes, repack bearings, check tires, on all size vehicles.

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.

Wheat Ridge, CO25 days ago

$19–$22.80 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, CO21 days ago

$18–$19 Per Hour

Commerce City, CO30+ days ago

Conducts interviews to determine initial and on-going financial eligibility for public assistance programs, enters client information into a complex computer system, analyzes information against numerous public assistance programs and their related regulations, and refers clients to a variety of internal and external resources/services. Elicits and verifies pertinent eligibility information such as household composition, school records, employment, income, residence, rent, household expenses, and related information, assists applicants to obtain additional information and resolve discrepancies, and answers applicant questions regarding eligibility.

Henderson, CO11 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.

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.

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.

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.

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) .

Englewood, CO21 days ago

The concrete paving mechanic performs tasks involving physical labor on concrete paving equipment including concrete pavers, placers, texture cure machines, trimmers, and other specialty equipment related to concrete paving operations. Maintaining concrete paving equipment includes but is not limited to identifying, diagnosing, and fixing hydraulic and electrical issues, replacing hoses, chipping concrete scale, fixing leaks, etc.

Franktown, CO27 days ago

MasTec Utility Services delivers critical infrastructure construction and engineering services for power delivery, gas, and water customers, specializing in overhead and underground electric distribution for power delivery systems, gas distribution construction for gas systems, and turnkey solutions for a variety of water, sewer, and civil infrastructure projects. Backed by the strength of decades of experience, unrivaled industry skills, and a deep commitment to core values, MUS delivers safe, innovative, and environmentally responsible services that provide extraordinary value to clients.

Commerce City, CO30+ days ago

$30–$40 Per Hour

Complete repairs and regular maintenance on a variety of equipment, including hydraulics, electrical systems, robotics, high-pressure water pumps, and other relevant components. We're currently seeking a Heavy Equipment Shop Mechanic in Commerce City, CO, to perform preventative and non-scheduled maintenance on various types of equipment at our shop.

Henderson, CO25 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.

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).

Golden, CO30+ days ago

$17–$38 Per Hour

We’re hiring a Heavy Equipment Shop Technician (Mechanic) at our rental facility in Golden, CO, and we’re looking for someone who’s ready to grow with us, bring energy and drive to their work, provide maintenance and repair for a variety of customer and company owned heavy equipment machinery and aerial lifts and help us build the future of construction. As a Shop Technician, you’ll use our tech to create, assign, and monitor work orders, track machine service intervals, order parts, and diagnose issues faster by pulling data from hundreds of makes and models.

Denver, Colorado17 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, CO28 days ago

$30–$35 Per Hour
Full-time

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).

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?

Commerce City, CO30+ 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.

New!

Fort Lupton, CO4 days ago

$26–$32 Per Hour

As the leading provider of temporary liquid handling solutions, we’re recognized for our systems engineering expertise, cost-effective problem solving, and the high value we deliver to organizations facing critical liquid management challenges. When you join the Rain for Rent team, you're not just building a career—you’re building meaningful relationships, doing work that matters, and making a positive impact in your community.

AURORA, Colorado29 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 .

AURORA, Colorado29 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.

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.

Golden, CO30+ days ago

$21–$24 Per Hour

This position supports the maintenance team by performing basic mechanical tasks while learning to inspect, service, diagnose and repair company vehicles and heavy equipment, such as trucks, trailers, batch plants, paving machines, bulldozers, engines, motors, pneumatic tools, conveyor systems, and other equipment by performing the following duties. This position works under close supervision and is designed to help the apprentice gain hands‑on experience, technical knowledge, and practical skills needed to progress toward becoming a fully qualified mechanic.

Denver, CO30+ days ago

https://recruiting2.ultipro.com/BOI1001BOIS/JobBoard/d37b562e-1487-4cc9-8cc4-d95be5cacd55/OpportunityDetail?opportunityId=e22197c6-8fd8-4dde-96be-75728968132b](https://recruiting2.ultipro.com/BOI1001BOIS/JobBoard/d37b562e-1487-4cc9-8cc4-d95be5cacd55/OpportunityDetail?opportunityId=e22197c6-8fd8-4dde-96be-75728968132b){rel="noopener noreferrer" target="_blank"}. Repairs and maintains machinery and mechanical equipment, such as truck, trailer, and forklift components; i.e., engine (diesel and gas), transmission (diesel and gas), differential (diesel and gas), various systems (i.e., brake, suspension, electrical, hydraulic).

Golden, CO30+ days ago

$29–$36 Per Hour

Repairs and maintains construction equipment and mechanical equipment such as trucks, trailers, batch plants, paving machines, bulldozers, engines, motors, pneumatic tools, conveyor systems, and other equipment by performing the following duties at various job locations. While performing the duties of this job, the employee is occasionally exposed to wet and/or humid conditions; moving mechanical parts; outside weather conditions; and extreme cold and/or heat.

Commerce City, CO14 days ago

Experience is required in diagnosing, troubleshooting and repairing hydraulic, fuel, and electrical systems on gas and diesel powered trucks as well as heavy construction equipment and small tools. Ability to operate and work around heavy construction equipment (all-terrain forklifts, skid steers, backhoes, etc.) is required.

Aurora, CO30+ days ago

$22–$34.04 Per Hour

Heavy work that includes lifting and/or moving objects up to 100 pounds or more Data Entry, telephone, reading/writing, reasoning, organizational, communication & math skills Safety & Product Knowledge Basic Knowledge of Microsoft Word and Outlook Intermediate Knowledge of DBS Intermediate Knowledge of ET/SIS/SIS Web/STW Ability to work independently with little or no direction Well-rounded knowledge of CAT equipment Work Environment: Noise: Loud Indoors and Outdoors Travel Requirements: 75%- 100% Other Duties: Job Offers are contingent upon all required pre-employment screenings which may include but are not limited to background checks, drug/alcohol testing, fit or duty testing, and any other job-related tests/screenings. The Diesel Technician works with some direct supervision in diagnosing, troubleshooting and repairing heavy equipment at the customers site or in the shop in a manner that reflects the companys vision of working as One Professional Team.

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Diesel Mechanic Jobs in Commerce City, CO

Jobs

Class A Diesel Mechanic TechnicianPerformance Foodservice

Class B Diesel Mechanic TechnicianPerformance Foodservice

Automotive Technician MechanicEstes Park Tire & Auto

Technician - Level 3Sunbelt Rentals

Intern HVAC Mechanic (Paid)United Rentals

Mobile Vehicle MechanicClean Harbors

Lead Mechanic - Heavy Equipment & FleetBURNCO Colorado LLC

Technician IIISunstate Equipment

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

Heavy Duty MechanicBURNCO Colorado LLC

Mechanic Trucks EquipmentBURNCO Colorado LLC

DoD SkillBridge Fleet Mechanic - Diesel TechnicianUS Foods

Heavy Diesel Equipment Technician/MechanicNational Pavement Partners

Diesel Mechanic - PTO, Tool & Boot Allowance, 401(k) Match!WM

Diesel MechanicWaste Connections

Diesel Mechanic Full-timeSapp Bros., Inc.

Mobile/Field Diesel Mechanic TechnicianRush Enterprises

Diesel Mechanic TechnicianRush Enterprises

Assistant Diesel Mechanic - PTO, Boot & Tool Allowance, 401(k) Match!WM

Diesel MechanicLoomis Armored US, LLC

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

Diesel Mechanic - 105006Loomis Armored US, L

Diesel Fleet Mechanic Technician IISysco

Diesel Tech-Mechanic ITravelCenters of America

Mobile Diesel Tech-MechanicTravelCenters of America

FT Diesel/Trailer MechanicVDP Truck And Traile

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

Diesel Apprentice Full-timeSapp Bros., Inc.

Diesel Technician - Entry LevelBlue Bear Waste Services

Fleet Mechanic - Mixer Trucks & Heavy EquipmentSmyrna Ready Mix, LLC

MECHANIC TECHNICIANi2i Workforce

Heavy Equipment MechanicMillstone Weber LLC

Shop Mechanic IIMasTec Advanced Technologies

Heavy Equipment Shop MechanicAzuria Water Solutions

Vehicle Maintenance MechanicClean Harbors

MechanicBrightView

Heavy Equipment Shop Technician (Mechanic)EquipmentShare

Layne Field MechanicGranite Construction

MechanicBrightView Landscapes

MechanicBarton Supply

Snowplow MechanicNorth American Truck & Trailer, Inc.

Shop Foreman, MechanicRain for Rent

FLEET MECHANIC IIDollar General

FLEET MECHANIC IDollar General

Heavy Equipment Mechanic/Field MechanicMartin Construction Inc.

Mechanic ApprenticeshipCRH Americas

Mechanic - MECHA006270Boise Cascade Compan

MechanicAMAT West

Fleet MechanicStructures, Inc.

Diesel Technician - DIESE004838Wagner Equipment Co.

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