98 Results for

Diesel Mechanic Jobs in Denver, CO

Jobs

Commerce City, CO12 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, CO13 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!

Brighton, CO1 day 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.

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!

Denver, CO3 days ago

$26–$35

As a global leader in aviation services, Swissport provides Ground Handling, Cargo Handling, and Passenger Services to over 300 million passengers annually. At Swissport, we are driven by our core values of Show You Care, Do the Right Things and Win as a Team, and we are currently seeking dedicated individuals, who align with these values, to join our team at various locations across the globe.   .

New!

Kiowa, CO3 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.

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, Colorado15 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.

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.

New!

Denver, CO2 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, Colorado30+ 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.

Bailey, CO19 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.

Castle Rock, CO30+ days ago

Ability to lift 50lbs and have knowledge of the Diesel engines, brake systems (air & hydraulic), hydraulic ram systems, electrical systems along with general knowledge on any heavy equipment repairs. BASIC JOB DUTIES: Perform all types of repairs on Company diesel vehicles such as Front Loaders, Side Loaders, Roll-Off trucks and others as required.

Henderson, CO30+ days ago

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

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).

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.

New!

Commerce City, CO6 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.

New!

Aurora, CO1 day ago

$30–$38 Per Hour

Aim Transportation Solutions has been in business for over 40 years and has grown to 1,000+ employees providing service nationwide. Join us, and you will find out why Aim s employees feel respected, appreciated, and compensated to the level they deserve.

Commerce City, CO29 days ago

$18–$19 Per Hour

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

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, CO19 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.

New!

Brighton, CO5 days ago

Ability to wear all required PPE, including but not limited to safety boots, safety glasses, hearing protection, high visibility vest, hard hat, and other PPE as required by the task, department, or work area. Ability to perform physically demanding work, including lifting up to 75 lbs occasionally and frequent bending, climbing, kneeling, twisting, squatting, crawling, and repetitive hand/arm use.

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.

Denver, 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, CO29 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.

Denver, CO7 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. Executing essential repairs on gas and diesel engines, transmissions, electrical and electronic systems, brakes, hydraulic systems, suspensions, steering, fuel systems.

Littleton, CO30+ days ago

$35–$42 Per Hour

We are currently offering a limited-time sign-on bonus of $4,000 for new hires with a valid CDL license, and sign-on bonuses for new hires without a current CDL license are also available at a reduced amount. Complete repairs and regular maintenance on a variety of equipment, including hydraulics, electrical systems, robotics, high-pressure water pumps, and other relevant components.

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.

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).

Franktown, CO30+ 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.

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, Colorado25 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, CO23 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, CO7 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.

Fort Lupton, CO12 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.

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.

New!

Denver, CO2 days ago

$30–$50

As a Field Mechanic with Quikrete Heavy Construction Materials you will be responsible for maintaining and repairing mobile heavy equipment and supporting plant maintenance. Our dedication to continual improvement and hands-on training ensures you are ready for the many new experiences and challenges that you will face.

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.

Littleton, CO9 days ago

$56,981–$69,489 Per Year

Physical Requirements: Must be able to frequently sit, stand, walk, climb, bend, kneel, reach, lift and exhibit manual dexterity with the ability to handle objects, and frequent stooping or lying down with overhead work 15% to 50% of the day. Under the supervision of the Equipment Manager, this position is responsible for performing all of the service, maintenance and repair work for the fleet of golf carts, various mowers, tractors and other equipment at Foothills Golf Course.

New!

Denver, CO6 days ago

$22.45–$40 Per Hour

As a Power HVAC Mechanic (Service Tech I) within the Power/HVAC division at United Rentals, you'll use your skills to perform maintenance tasks as well as minor repairs on equipment in a safe and professional manner. 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.

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.

Denver, CO30+ days ago

$45–$60 Per Hour

JG Diesel Repairs & Towing is looking for a Master Diesel Technician who takes pride in doing the job right—the first time. This is a shop built for technicians who want to produce, grow, and get paid accordingly.

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Diesel Mechanic Jobs in Denver, CO

Jobs

Class A Diesel Mechanic TechnicianPerformance Foodservice

Class B Diesel Mechanic TechnicianPerformance Foodservice

Diesel MechanicStaff Experts

Roadside Diesel TechnicianROCKY MOUNTAIN TRUCK CENTER GROUP

DEN GSE MechanicSwissport International AG

Heavy Duty MechanicBURNCO 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 Mechanic Full-timeSapp Bros., Inc.

Mobile/Field Diesel Mechanic TechnicianRush Enterprises

Diesel Mechanic Technician- HOURLY RATERush Enterprises

Diesel Mechanic TechnicianRush Enterprises

Diesel MechanicWaste Connections

Diesel MechanicCR&R

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

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

Diesel MechanicLoomis Armored US, LLC

Diesel Mechanic - 105006Loomis Armored US, L

Mobile Diesel Tech-Mechanic PTTravelCenters of America

Lead Diesel MechanicAIM Transportation Solutions

Mobile Diesel Tech-MechanicTravelCenters of America

Diesel Fleet Mechanic Technician IISysco

FT Diesel/Trailer MechanicVDP Truck And Traile

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

DIESEL MAINTENANCE TECHNICIANWells

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

Equipment MechanicPro-Vac

Heavy Equipment Shop MechanicAzuria Water Solutions

Vehicle Maintenance MechanicClean Harbors

MechanicBrightView

Shop Mechanic IIMasTec Advanced Technologies

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

Heavy Equipment Mechanic/Field MechanicMartin Construction Inc.

Field MechanicKilgore

Mechanic ApprenticeshipCRH Americas

Golf MechanicFoothills Park & Recreation District

Power & HVAC MechanicUnited Rentals

Mechanic - MECHA006270Boise Cascade Compan

MechanicAMAT West

Denver Master Diesel Technician: Freightliner, Volvo, Kenworth, Peterbilt, International, Mack $45–$60 an hour-- No In-Shop WeekendsJG Diesel Repair

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