1

Union Diesel Mechanic Jobs in Riverside, CA (NOW HIRING)

Union Pacific is offering exciting opportunities and fresh challenges to work on our extensive ... Holds a valid certification and/or license as a diesel mechanic from the National Institute for ...

Mechanical Closing Date: Apply early as this job may be filled at any time. Rate of Pay: $42.71 ... By meticulously servicing Union Pacific's locomotives, you will play a vital role in ensuring the ...

Composite Mechanic

Colton, CA · On-site

$28.68/hr

You'll specifically take care of inspecting, repairing and maintaining diesel-powered rail vehicles ... Important to note This role is part of a unionized workforce , and membership is required. Work ...

Note this position is Unionized and requires joining the Union organization. In your role as a Composite Mechanic, you will: Inspect, repair, and maintain diesel-powered vehicle and perform a variety ...

Note this position is Unionized and requires joining the Union organization. In your role as a Composite Mechanic, you will: Inspect, repair, and maintain diesel-powered vehicle and perform a variety ...

Note this position is Unionized and requires joining the Union organization. In your role as a Composite Mechanic, you will: Inspect, repair, and maintain diesel-powered vehicle and perform a variety ...

... work Experience or understanding of diesel engines, mechanical systems or electrical ... Important to note This role is part of a unionized workforce , and membership is required. Work ...

... diesel engines, mechanical systems or electrical troubleshooting • Knowledge of reading ... Important to note This role is part of a unionized workforce , and membership is required. Work ...

Mechanic

Brea, CA · On-site

$28 - $35/hr

What You'll Do * Maintenance and repair of small engines, both gas and diesel * Perform ... Join and maintain Union membership Our Commitment to Opportunity This is subject to change at any ...

Mechanic

Brea, CA

$28 - $35/hr

What You'll Do * Maintenance and repair of small engines, both gas and diesel * Perform ... Join and maintain Union membership Our Commitment to Opportunity This is subject to change at any ...

... diesel and natural gas engines. As a Caterpillar dealer, Quinn combines local agility with global ... Federal Credit Union membership Ready to support customers and grow rental revenue? Join Quinn ...

Tool Room Attendant

Riverside, CA · On-site

$19.28 - $25/hr

... as diesel and natural gas engines. As a Caterpillar dealer, Quinn blends local agility with the ... Federal Credit Union membership Ready to support smooth shop operations and equipment readiness?

Tool Room Attendant

Riverside, CA · On-site

$19.28 - $25/hr

... as diesel and natural gas engines. As a Caterpillar dealer, Quinn blends local agility with the ... Federal Credit Union membership Ready to support smooth shop operations and equipment readiness?

next page

Showing results 1-20

Union Diesel Mechanic information

See Riverside, CA salary details

$15

$29

$40

How much do union diesel mechanic jobs pay per hour?

As of Jul 28, 2026, the average hourly pay for union diesel mechanic in Riverside, CA is $29.49, according to ZipRecruiter salary data. Most workers in this role earn between $25.10 and $33.12 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Union Diesel Mechanic position, and why are they important?

To thrive as a Union Diesel Mechanic, you need strong mechanical aptitude, experience with diesel engines, and a high school diploma or equivalent, often supplemented by technical training or an apprenticeship. Familiarity with diagnostic software, specialized hand and power tools, and relevant certifications like ASE Diesel Engine Certification are highly valuable. Excellent problem-solving abilities, attention to detail, and the capacity to work both independently and as part of a team are important soft skills. These competencies ensure that complex diesel equipment is maintained safely and efficiently to minimize downtime and support team goals.

What are the typical work environments and schedules like for Union Diesel Mechanics?

Union Diesel Mechanics often work in garages, maintenance shops, or on-site locations such as rail yards, construction sites, or transportation depots, depending on the industry. Work schedules can include day, night, or weekend shifts, especially in operations that require 24/7 equipment availability. Many union positions offer structured hours and overtime opportunities, with strong safety protocols and collaborative team settings. Job seekers can expect to spend much of their day troubleshooting, repairing, and maintaining heavy diesel machinery and vehicles, often coordinating closely with other mechanics, supervisors, and equipment operators.

What is the highest paid union job?

Union diesel mechanics are among the higher-paid union trades, with experienced mechanics earning substantial wages, especially those working in transportation, heavy equipment, or maritime industries. Salaries can vary based on experience, location, and certifications such as ASE or EPA, but top union positions in skilled trades generally offer higher compensation compared to many other union roles.

Is there a union for diesel mechanics?

Yes, many diesel mechanics are members of unions such as the International Association of Machinists and Aerospace Workers or the United Auto Workers. Union membership can provide collective bargaining, benefits, and job protections for diesel mechanics working in various industries.

What is a Union Diesel Mechanic job?

A Union Diesel Mechanic is a technician who repairs and maintains diesel-powered vehicles and equipment while being a member of a labor union. Union membership provides benefits such as job security, negotiated wages, and benefits like healthcare and retirement plans. These mechanics work on trucks, buses, construction equipment, and other diesel-powered machinery. They follow union regulations and often receive specialized training through apprenticeship programs.

What is the highest paid diesel mechanic job?

The highest paid diesel mechanic jobs are often found in specialized roles such as heavy equipment or industrial diesel mechanics, particularly those working in the oil and gas industry or for large transportation companies. These positions typically require advanced certifications, extensive experience, and may involve working in remote or challenging environments, which can lead to higher compensation.

Can you make 100k as a diesel mechanic?

Union diesel mechanics can potentially earn $100,000 or more annually, especially with experience, certifications, and working in high-demand areas or overtime. Salaries vary based on location, union agreements, and specialization, with experienced mechanics and those working in certain industries or regions more likely to reach or exceed this income level.
What are the most commonly searched types of Diesel Mechanic jobs in Riverside, CA? The most popular types of Diesel Mechanic jobs in Riverside, CA are:
What are popular job titles related to Union Diesel Mechanic jobs in Riverside, CA? For Union Diesel Mechanic jobs in Riverside, CA, the most frequently searched job titles are:
What cities near Riverside, CA are hiring for Union Diesel Mechanic jobs? Cities near Riverside, CA with the most Union Diesel Mechanic job openings:
Infographic showing various Union Diesel Mechanic job openings in Riverside, CA as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $61,342 per year, or $29.5 per hour.
Mechanic Diesel Engines

Mechanic Diesel Engines

Union Pacific

Colton, CA • On-site

$41.07/hr

Full-time

Medical, Dental, Vision, Retirement

Posted 28 days ago


Union Pacific rating

7.2

Company rating: 7.2 out of 10

Based on 93 frontline employees who took The Breakroom Quiz

25th of 64 rated delivery companies


Job description

Reference Number:  3976 
Department: Mechanical 
Closing Date:  Apply early as this job may be filled at any time.

Salary: $41.07/hr.
Most communications will be done electronically.  Please check email, including spam folders, daily.

If you wish to solicit an employee referral for this position, please ensure the employee submits the referral prior to submitting your application.

Description

Are you an experienced mechanic or looking to start your career in the field? Union Pacific is offering exciting opportunities and fresh challenges to work on our extensive diesel locomotive fleet. As a valued member of our innovative team, your primary objective will be to guarantee the safe and efficient servicing of our locomotives, while adhering to both company and federal standards. By doing so, you will contribute to the seamless transportation of goods to our customers across North America. We are powered by our people, will you join our team?

Accountabilities
  • Efficiently operate equipment including measuring instruments, precision machines, hand tools, and material handling equipment, i.e. forklifts, cranes and overhead hoists 
  • Communicate technical information, job briefing information, job procedure recommendations and other work-related information with others verbally, through writing, telephone, radio, and intercom 
  • Read and interpret information from diagrams, schematics, graphs and charts, and input into a computer as needed 
  • Ensure all equipment or materials are available and ready for use as needed 
  • Develop and maintain positive working relationships with coworkers, supervisors, contractors and/or customers and efficiently handle controversy 
  • Ensure compliance with all railroad rules and regulations for safety, operations and Federal Railroad Administration (FRA) 
  • Diagnose malfunctions in diesel engines, air brake systems, fuel systems, and other issues related to the locomotive mechanical system 
  • Repair, replace or rebuild our locomotives and diesel engine components as needed 
  • Inspect and service diesel locomotives fleet within compliance of company, federal, and industry standards
  • Perform other duties as assigned 
Qualifications - Required
  • Must be 18 years of age or older
  • Possess a valid driver's license
  • Proficient verbal and written communication skills to effectively communicate with colleagues and supervisors
  • Possess at least 4 years of education or work experience as a mechanic repairing trucks, ships, farm equipment, airplanes, trains, automobiles, or diesels; alternatively, hold a current journeyman's mechanical card
  • Experience in conducting quick and accurate visual inspections at varying distances
  • Ability to read and comprehend instructions, including operating and safety rules, bulletins, special instructions, and federal regulatory documents
  • Willingness to relocate and work at designated locations
  • Commitment to practicing safe work habits
  • To be considered for this position, candidates are required to successfully complete an assessment in English before proceeding to the interview stage.  For more information go to the FAQs on UP.jobs.
Qualifications - Preferred
  • Holds a valid certification and/or license as a diesel mechanic from the National Institute for Automotive Service Excellence (ASE).
  • Successfully completed a formal auto/diesel engine training program, which could include training provided by a community college, trade/vocational school, or military.
  • Possesses an Associate's degree in a mechanical-related field.
  • Demonstrates experience as a mechanic in diverse fields such as military, aviation, nuclear, or marine.
  • Proficient in welding or possesses a welding certificate, acquired through professional, personal, or volunteer experience.
  • Exhibits a track record of working outdoors in various weather conditions, gained from professional, personal, or volunteer experiences.
  • Has prior experience working in environments that require the use of personal protective equipment like safety glasses, safety boots, hard hats, and hearing protection.
  • Familiar with working with, on, and around moving heavy equipment, with a range of experience obtained from professional, personal, or volunteer engagements.
  • Displays a willingness to work in confined and/or small spaces.
  • Shows availability to work different shifts, including overtime, holidays, and weekends.
Physical and Mental Job Requirements
  • To be considered for employment, candidates must successfully pass a Physical Ability Test (PAT), which is distinct from the medical exam. For more detailed information, please refer to the FAQs on UP.jobs.
  • Endurance: Ability to remain standing or sitting for more than one-half of each workday, with the opportunity to change positions periodically for comfort.
  • Sensory Perception: Capable of detecting unusual sounds and smells during inspections and testing.
  • Color Vision: Must have normal color vision.
  • Lifting and Physical Strength: Able to occasionally bend, stoop, and kneel, as well as lift and carry objects weighing up to 65 lbs.
  • Coordination: Capable of making frequent coordinated hand movements to grasp, place, or move objects. Also, should be able to walk safely and maintain balance on uneven surfaces.
  • Visual and Auditory Perception: Able to detect and interpret various visual color signals and displays, identify the speed of moving objects at different distances (near or far), and respond quickly to sounds.
  • Overhead Work: Occasional ability to perform overhead work for short periods of time.
Work Conditions
  • Must be legally authorized to work in the United States without requiring company sponsorship.
  • Apply exclusively to locations where you are willing and able to reside and perform your job duties.
  • Demonstrate a commitment to maintaining safe work practices.
  • Perform tasks at elevated heights reaching 18 feet or higher.
  • Consent to wearing necessary personal protective equipment, including safety glasses, safety boots, hard hats, and hearing protection, as mandated by the company.

What we offer:

  • A strengths-based, engagement-focused, and performance-oriented culture
  • Ongoing learning, development, and Educational Assistance (including little to no out-of-pocket cost for online and in-person courses at the University of Nebraska at Omaha)
  • 401(k) retirement plan
  • Employee Stock Purchase Plan with 20% match up to 5%
  • Medical, dental and vision insurance, which are collectively bargained for through union membership
  • Wellness and Employee Assistance Programs

What Union Pacific employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom