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Union Welder Jobs in Riverside, CA (NOW HIRING)

CRH

Welder (entry level)

Fontana, CA · On-site

$27.63/hr

This is a union role. Job Responsibilities * Fabrication of steel molds * Use hand and power tools, lifting equipment, plasma cutter, vertical band saw, drill press, grinders, etc. * Welding parts ...

New

Union Pacific

Mechanic Diesel Engines

Colton, CA

$41.07/hr

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 ...

Clark Pacific

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 ...

Superior Duct Fabrication, Inc.

Be Seen First

Sheet Metal Production Worker

Corona, CA · On-site

$18 - $20/hr

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 ...

MCT Holdings LLC

Entry Technician

Jurupa Valley, CA · On-site

$26.07/hr

Welding experience preferred but is not required. * Keeps shop equipment working by following ... Competitive Pay * Union Pension * Fun and Rewarding Work Environment Physical Requirements:

KASA Construction Inc.

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 ...

Mr Crane Inc

Yard Tech

San Bernardino, CA · On-site

$16.75 - $20/hr

Communicate with Union Foreman on the distinguishment between Yard Tech and Union covered work ... Equipment operation certifications (i.e., forklift), welding certification, and harness training ...

Sonoco

Maintenance Millwright

City Of Industry, CA

$29.62 - $36.80/hr

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 ...

Smurfit Westrock

Journeyman Mechanic

Ontario, CA · On-site

$27.23/hr

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 ...

PrideStaff

Maintenance Mechanic - 2nd Shift

Irvine, CA · On-site

$34.21 - $37.89/hr

Union Environment. The company will complete a drug screen and background check prior to starting ... Volt meters, ammeters, ohmmeters, basic hand tools (electric saw, electric drill, welder, etc.

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Union Welder information

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$14

$23

$32

How much do union welder jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for union welder in Riverside, CA is $23.22, according to ZipRecruiter salary data. Most workers in this role earn between $19.57 and $25.82 per hour, depending on experience, location, and employer.

What is a union welder?

A union welder performs welding duties for a company. You may work in the construction, shipbuilding, or manufacturing industries or any other industry that requires welding. You may weld steel skeletons or frames, rebar, or metal parts for products, machinery, or engineering projects. Your responsibilities can vary depending on where you work, but a union welder is always a union member. To become a union welder, you must join and pay dues to a workers’ union.

What are the key skills and qualifications needed to thrive as a union welder?

To thrive as a Union Welder, you need strong welding skills, a solid understanding of blueprints, and completion of an apprenticeship or relevant certification such as AWS (American Welding Society) credentials. Familiarity with welding tools, safety equipment, and fabrication machines is essential, along with adherence to industry safety standards. Excellent attention to detail, problem-solving abilities, and teamwork are critical soft skills for this role. These qualifications ensure welds meet strict quality and safety requirements, supporting the reliability and safety of structures in construction and manufacturing.

What are some common challenges union welders face when working on large-scale construction projects?

Union Welders on large-scale construction projects often encounter challenges such as working in varying weather conditions, adhering to strict safety protocols, and meeting tight project deadlines. Coordination with other trades and teams is essential, as welders may need to adjust their schedules based on site progress or material availability. Additionally, staying updated with evolving welding techniques and certifications can be demanding, but union support and ongoing training help address these challenges. Collaboration and adaptability are key to succeeding in this dynamic environment.

What is the difference between Union Welder vs Commercial Welder?

AspectUnion WelderCommercial Welder
CertificationsOften requires union certifications and credentialsMay require similar certifications but less likely union-specific
Work EnvironmentWorks primarily in unionized shops, construction sites, or industrial facilitiesWorks in various settings including construction, manufacturing, and repair shops
Employer & Industry UsageEmployed by unionized companies in construction, shipbuilding, and heavy industryEmployed by private companies, contractors, or as independent contractors

Union Welders typically work in unionized environments with specific certifications and benefits, focusing on large-scale projects. Commercial Welders work across diverse settings, often with similar skills but may not be unionized. Both roles require welding certifications, but union welders often have additional union-specific credentials and protections.

What is the best union to join as a union welder?

The most recognized unions for welders include the United Association (UA) and the International Brotherhood of Boilermakers, which offer training, certifications, and job placement support. Joining a union that is active in your region and offers apprenticeship programs can enhance job opportunities and wages for union welders.
More about Union Welder jobs

What are the most commonly searched types of Welder jobs in Riverside, CA?

The most popular types of Welder jobs in Riverside, CA are:

What are popular job titles related to Union Welder jobs in Riverside, CA?

For Union Welder jobs in Riverside, CA, the most frequently searched job titles are:

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The top searched job categories for Union Welder jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Union Welder jobs?

Cities near Riverside, CA with the most Union Welder job openings:

Union Welder jobs near you
Infographic showing various Union Welder job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 21% Part Time, and 1% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $48,305 per year, or $23.2 per hour.

Welder (entry level)

CRH

Fontana, CA • On-site

$27.63/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday

New

Job description

Job ID: 528002

Non-Exempt

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.

Job Summary

Fabrication of steel molds for concrete which includes use of hand and power tools, various cutting equipment, and welding part together per specifications. This is a union role.

Job Responsibilities

  • Fabrication of steel molds 
  • Use hand and power tools, lifting equipment, plasma cutter, vertical band saw, drill press, grinders, etc.
  • Welding parts together per specifications
  • Other duties may be assigned as needed

Job Requirements

  • Must have experience in steel fabrication, at least 1 year is preferred
  • High school diploma / equivalent
  • Ability to perform basic mathematics
  • Ability to read fractions, tape measures, and shop prints
  • Understanding of basic hand and power tools and their use
  • Capable of welding both horizontal and vertical, with ability to pass certification

Compensation

  • The hourly pay rate is $27.63/hr
  • 401(k) plan / group retirement savings program
  • Short-term and long-term disability benefits
  • Life insurance
  • Health, dental, and vision insurance
  • Paid time off
  • Paid holidays 

What CRH Offers You

  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

If you’re up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!

Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law. 

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.

CRH logo

About CRH

Sourced by ZipRecruiter

CRH has a long and proud heritage as one of North America's largest corporations. We are a proud reflection of the hundreds of family businesses, local and regional companies and mid to large sized enterprises that together form the CRH family. CRH operates with a decentralized, diversified structure, letting you work in a small company environment while having the career opportunities of a large enterprise.

Industry

Construction materials wholesalers

Company size

10,000+ Employees

Headquarters location

New York, NY, US

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