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Union Welding Jobs in Rialto, CA (NOW HIRING)

Climate Pros LLC

Tradesman

Chino, CA · On-site

Perform pipefitting tasks including brazing, welding, and assembling tubing or piping systems for refrigeration applications. * Test pipe and tubing joints for leaks using approved union methods such ...

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 ...

Climate Pros

Be Seen First

Construction Tradesman

Chino, CA · On-site

Perform pipefitting tasks including brazing, welding, and assembling tubing or piping systems for refrigeration applications. * Test pipe and tubing joints for leaks using approved union methods such ...

Socket.dev

Heavy Equipment Field Technician

Placentia, CA · On-site

$65 - $90/hr

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 do ...

New

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

$15.50 - $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 · On-site

$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 ...

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All JobsUnion Welding JobsUnion Welding Jobs in Rialto, CA

Union Welding information

See Rialto, CA salary details

$14

$29

$45

How much do union welding jobs pay per hour?

As of Sep 4, 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:

Union Welding jobs near you
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.

Tradesman

Climate Pros LLC

Chino, CA • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Climate Pros rating

7.6

Company rating: 7.6 out of 10

Based on 23 frontline employees who took The Breakroom Quiz

116th of 283 rated repair and maintenance companies

Job description

The Construction Tradesman Refrigeration is a skilled union craftsperson responsible for installing, assembling, and supporting commercial refrigeration systems on new construction and remodel projects. This position performs tradesman-level work across multiple construction disciplines-including welding, pipefitting, electrical, and carpentry-as required within refrigeration system installation. All work must comply with union standards, project specifications, and safety regulations.
Duties & Responsibilities
  • Interpret and work from blueprints, mechanical drawings, and manufacturer specifications to install commercial HVAC/R and refrigeration systems.
  • Install refrigerant piping, pumps, compressors, valves (pneumatic and electric), heat-transfer components, ventilation systems, and air-distribution equipment in accordance with engineering details and union craft guidelines.
  • Perform pipefitting tasks including brazing, welding, and assembling tubing or piping systems for refrigeration applications.
  • Test pipe and tubing joints for leaks using approved union methods such as electronic leak detectors, pressure gauges, or soap-and-water solutions.
  • Test electrical circuits and components to determine required repairs and ensure proper system operation.
  • Connect refrigerant line sets, air ducts, controls, and related refrigeration components.
  • Inspect and maintain refrigeration and EMS (Energy Management Systems) equipment per job specifications and union service procedures.
  • Deliver professional customer service and uphold company and union standards for communication, documentation, and jobsite conduct.
  • Follow all required check-in and check-out procedures with customers and supervisors.
  • Ensure strict compliance with safety, environmental, government, and union regulations on every jobsite.
  • Participate in scheduled on-call rotations to respond to emergency refrigeration service needs in support of customer operational requirements.
  • Perform additional duties as assigned; responsibilities may evolve according to project needs and union scope rules.

Skills, Education & Competencies
  • Proficiency in reading and interpreting blueprints, schematics, and refrigeration system diagrams.
  • Skilled in the installation and service of commercial refrigeration equipment, refrigerant piping, valves, pumps, air-handling units, and heat-transfer systems.
  • Ability to perform diagnostic testing on piping systems, electrical circuits, and refrigeration components to identify and correct issues.
  • Knowledge of union construction practices, safety protocols, and jobsite procedures.
  • Strong mechanical aptitude with the ability to perform physically demanding craft work across multiple trades.
  • Commitment to high-quality workmanship, customer service, and jobsite professionalism.

Physical Requirements & Working Conditions
  • Work involves standing, walking, bending, stooping, crawling, climbing, and carrying materials for extended periods.
  • Must be able to lift, push, and pull up to 75 lbs.
  • Requires regular use of hands, tools, and equipment, along with the ability to read fine print, communicate clearly, and prepare documentation.
  • Must be able to work in varying weather conditions, construction environments, roofs, mechanical rooms, and uneven terrain.
  • Exposure to loud noise, machinery, and occasional chemicals or hazardous materials common to refrigeration and construction sites.
  • Variable work hours, including required participation in on-call rotations as established by the company and union agreement.
  • Reasonable accommodations may be available to support individuals with disabilities in performing essential job functions.

In alignment with Climate Pros' values and applicable laws, we are committed to promoting pay transparency and equity. Compensation within the stated range will vary based on the candidate's job-related knowledge, skills, and experience. Final offers will be tailored to the individual's qualifications and potential contribution.

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