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Union Welding Jobs in Rialto, CA (NOW HIRING)

Mechanic Diesel Engines

Colton, CA

$41.07/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Union Pacific is offering exciting opportunities and fresh challenges to work on our extensive ... Proficient in welding or possesses a welding certificate, acquired through professional, personal ...

Yard Specialist

Ontario, CA

$24.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Operate machinery and hand and power tools such as drills, saws, grinders, welding equipment, CNC ... Experience working in a union environment preferred. * High school diploma or GED preferred. Skills ...

Yard Specialist

Ontario, CA · On-site

$24.50/hr

Operate machinery and hand and power tools such as drills, saws, grinders, welding equipment, CNC ... Experience working in a union environment preferred. * High school diploma or GED preferred. Skills ...

Heavy Equipment Field Technician

Placentia, CA · On-site

$35 - $50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Above-scale pay; we are a non-union shop * Excellent employee benefits package (medical/dental ... Welding * Detailing * Data entry * Diagnostics Certification Reimbursement: * Yes This Company ...

Heavy Equipment Shop Mechanic

Placentia, CA

$28 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Above-scale pay; we are a non-union shop * Excellent employee benefits package (medical/dental ... Welding experience * Hydraulic & electrical experience * Mid-level diagnostic ability * Ability to ...

Heavy Equipment Shop Mechanic

Placentia, CA · On-site

$28 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Above-scale pay; we are a non-union shop * Excellent employee benefits package (medical/dental ... Welding experience * Hydraulic & electrical experience * Mid-level diagnostic ability * Ability to ...

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Sheet Metal Production Worker

Corona, CA · On-site

$18 - $20/hr

  • Medical

  • Dental

  • Vision

Union membership is mandatory. After a probationary period, medical benefits are available to ... welding equipment to join sheet metal parts; or inspecting, assembling, and smoothing seams and ...

Operating Engineer

Chino, CA

$70K - $95K/yr

All work must be performed in accordance with union jurisdiction and prevailing standards. Who we ... Rigging, tagging, signaling, cutting, burning, welding, chainsawing, and installing soldier piles ...

Maintenance Millwright

City Of Industry, CA · On-site

$29.62 - $36.80/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Welding of all types of metals using stick or TIG methods * Maintain mechanical equipment to meet ... S. or global), or if you are a union employee. Benefits * Medical, dental, and vision coverage for ...

Journeyman Mechanic

Ontario, CA · On-site

$27.23/hr

  • Medical

  • Life

  • Retirement

Possessing welding and machining skills are a plus. Applies knowledge of electrical/electronic and ... unionized plant. How you will impact WestRock: * Is responsible for maintaining and improving a ...

Maintenance Millwright

City Of Industry, CA

$29.62 - $36.80/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Welding of all types of metals using stick or TIG methods * Maintain mechanical equipment to meet ... S. or global), or if you are a union employee. Benefits * Medical, dental, and vision coverage for ...

Repairs or modifies equipment or plant structures by welding using both electrical or oxygen ... Regular Employee Group/Union Affiliation: B05|USW|Local 7600 Job Level: Individual Contributor ...

Senior Plant Maintenance Manager

Ontario, CA

$130K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience managing a unionized department is desired * Knowledge and experience of the following: The use and welding of all alloys, including all non-ferrous metals -tig- arc-mig, power ...

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Showing results 1-20

Union Welding information

See Rialto, CA salary details

$14

$29

$45

How much do union welding jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for union welding in Rialto, CA is $29.87, according to ZipRecruiter salary data. Most workers in this role earn between $23.37 and $34.23 per hour, depending on experience, location, and employer.

What is union welding?

Union welding refers to welding jobs where the welder is a member of a labor union. These unions represent welders and negotiate for better wages, benefits, and working conditions on their behalf. Union welders often work on large-scale construction projects, such as bridges, buildings, and pipelines, and they must usually meet certain qualification standards set by the union. Being part of a union can offer job security, training opportunities, and legal support for welders.

What are the key skills and qualifications needed to thrive as a union welder, and why are they important?

To thrive as a Union Welder, you need strong technical welding skills, a solid understanding of blueprints and safety protocols, and usually completion of an apprenticeship or vocational training with applicable certifications like AWS. Proficiency in using welding equipment, tools, and safety systems is expected, along with knowledge of various welding techniques such as MIG, TIG, and arc welding. Attention to detail, teamwork, and effective communication are vital soft skills for ensuring project accuracy and collaborating with diverse crews. These competencies are crucial to ensure high-quality, safe, and efficient workmanship on complex construction and industrial projects.

What are some common challenges union welders face on job sites, and how can they effectively address them?

Union welders often encounter challenges such as working in varying weather conditions, adapting to strict safety protocols, and managing tight project deadlines. To address these, it's important to stay updated on safety standards, communicate proactively with supervisors and team members, and participate in ongoing union-led training. Building strong relationships within your crew and leveraging the union’s support resources can also help you navigate job site difficulties and maintain high-quality work.

What is the difference between Union Welding vs Non-Union Welding?

AspectUnion WeldingNon-Union Welding
CredentialsTypically requires union certifications and training programsMay require similar certifications but less standardized
Work EnvironmentOften in unionized shops, construction sites, or industrial settings with collective bargainingVaries widely; includes private companies, freelance, or non-union shops
Employer & Industry UsageCommon in construction, manufacturing, and infrastructure projects with union contractsPrevalent in private sector, small businesses, or freelance work
Work Conditions & BenefitsTypically better benefits, job security, and adherence to union standardsBenefits vary; may lack union protections and standardized wages

Union Welding involves working under union contracts with standardized wages and benefits, often in industrial or construction settings. Non-Union Welding offers more flexibility but may lack the same level of job security and benefits. The choice depends on career goals, desired work environment, and industry preferences.

What are the most commonly searched types of Welding jobs in Rialto, CA?

The most popular types of Welding jobs in Rialto, CA are:

What are popular job titles related to Union Welding jobs in Rialto, CA?

For Union Welding jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Union Welding jobs in Rialto, CA look for?

The top searched job categories for Union Welding jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Union Welding jobs?

Cities near Rialto, CA with the most Union Welding job openings:

Infographic showing various Union Welding job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 22% Part Time, and 1% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $62,133 per year, or $29.9 per hour.

$41.07/hr

Full-time

Medical, Dental, Vision, Retirement

Re-posted 21 days ago


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