87 Results for

Diesel Mechanic Jobs in Westminster, CO

Jobs

Brighton, CO14 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!

Littleton, CO1 day ago

You'll be entrusted with the responsibility of conducting routine inspections and troubleshooting mechanical issues, ensuring preventive maintenance, and executing essential repair tasks. See Advantage AI Privacy Policy at https://www.advantage.ai/legal/privacy-policy and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.

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Englewood, CO1 day ago

$25–$25

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

New!

Denver, CO1 day ago

$28–$34

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!

Englewood, CO1 day ago

$25–$25

If you take pride in quality repairs and want to work on a diverse fleet of newer cargo vans and box trucks across multiple brands, join the Avis Budget Group team supporting Budget Truck operations. • Working knowledge across ASE areas including, but not limited to: Engine Repair, Drivetrain/Axles, Suspension/Steering, Brakes, Electrical, Heating/Air Conditioning, Engine Performance, and Light Vehicle/Diesel .

Aurora, CO10 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.

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.

Commerce City, CO8 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.

New!

Henderson, CO6 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.

Commerce City, CO8 days ago

$30.20–$39.25 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.

Brighton, CO21 days ago

$29.77–$42.80 Per Hour

The following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 001030 001085 001140 002068 1391 2F011 2F031 2F051 2F071 301 3374 3601 3E412 3E432 3E452 4140 4142 4143 4145 4149 4151 4222 4225 4226 4227 4229 4231 4233 4234 4237 4253 4291 4307 4308 4314 4316 4324 4355 4366 4509 4604 52X 63J 7022 70F9 7601 7606 7612 7613 7614 7615 7616 7617 77F 91A 91D 91E 91J 91L 91P 91X 92F 9559 9594 95AB ABE ABF AS EM EN FC GSE GSM MM MM(NUC) MR. Related experience may include: Construction Equipment Mechanic, Equipment Mechanic, Equipment Technician, Field Mechanic, Field Service Technician, Field Technician, Heavy Equipment Mechanic, Heavy Equipment Technician, Mechanic, Mobile Heavy Equipment Mechanic, Lubricator, Machine Repairer, Maintainer, Maintenance Electrician, Maintenance Man, Maintenance Mechanic, Maintenance Technician, Maintenance Worker, Oiler, Overhauler.

Englewood, CO11 days ago

$28–$30 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!

Denver, CO1 day ago

$25–$25

Working knowledge of ASE certification areas including, but not limited to: Engine Repair, Drivetrain/Axles, Suspension/Steering, Brakes, Electrical, Heating/Air Conditioning, Engine Performance, and Light Vehicle/Diesel . Your responsibilities may include oil and fluid services, tire repairs, brake work, suspension repairs, and other routine maintenance or warranty-related repairs based on your experience level.

New!

COMMERCE CITY, CO1 day 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.

New!

Brighton, Colorado6 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.

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.

Denver, CO15 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.

Erie, CO9 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 .

Wheat Ridge, CO7 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.

Bailey, CO30+ 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.

New!

Brighton, CO6 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 .

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.

Commerce City, CO19 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

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.

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.

Denver, Colorado30+ days ago

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, CO30+ 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, 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, CO20 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).

Denver, CO7 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.

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.

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?

AURORA, Colorado12 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 .

Arvada, CO30+ days ago

$18–$24 Per Hour

Maintain, diagnose, and repair heavy-duty trucks, trailers, and construction equipment (including directional drills & excavators). We take pride in maintaining a well-functioning fleet of heavy-duty trucks and construction equipment that supports our projects.

Denver, CO30+ 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, Colorado12 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.

Fort Lupton, CO9 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. Vets - Rain for Rent® ( 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.

Longmont, CO9 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 .

Commerce City, CO20 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.

Commerce City, CO30+ 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.

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.

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Diesel Mechanic Jobs in Westminster, CO

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