Top 18 Pipefitter Jobs in Ontario Ca

Welder
Retrofit Technology —Bloomington, CA
- $30 - $60 an hour
- OSHA
- Schematics
- Construction site
- Paid holidays
- Health insurance
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Welder
Kelso Industries —Bloomington, CA
- $30 - $60 an hour
- OSHA
- Schematics
- Construction site
- Paid holidays
- Health insurance
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Pipefitter
JF Construction Services —Rancho Cucamonga, CA
- $28 - $38 an hour
- Full-time
- Background check
- Construction site
- Computer literacy
- Paid holidays
- Disability insurance
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Laborer
JF Construction Services —Rancho Cucamonga, CA
- $20 - $30 an hour
- Full-time
- Background check
- Up to 50% travel
- Construction site
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Welder/Pipe Fitter
ALLIANCE INDUSTRIAL REFRIGERATION S —Walnut, CA
- Full-time
- Mid-level
- Ability to lift 50 pounds
- Driver's License
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Fire Sprinkler Installer- LA Division
Symons Fire Protection, Inc. —Anaheim, CA
- $25 - $45 an hour
- Clean driving record
- Construction site
- Ability to walk for extended periods
- AD&D insurance
- Paid holidays
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13d
Pipe & Structural Welder
RECON Engineering & Construction —San Bernardino, CA
- $28 - $35 an hour
- Overtime
- Mid-level
- Ability to lift 50 pounds
- Travel
- Health insurance
- Dental insurance
Fire Sprinkler Trainee
GNA-Brook Fire Protection —Glendora, CA
- $22 - $25 an hour
- 8 hour shift
- Clean driving record
- High school diploma or GED
- Driver's License
- Paid holidays
- Health insurance
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Fire Sprinkler Fitter - Construction
Fortis Fire & Safety —Orange, CA
- $30 - $35 an hour
- Weekends as needed
- Background check
- Heavy lifting
- Construction site
- Paid jury duty
- Paid holidays
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13d
Pipe Welder
EnviroKinetics, Inc. —Ontario, CA
- $25 - $30 an hour
- Weekends as needed
- 5 years
- Mid-level
- Forklift
- Health savings account
- Health insurance
Quick Apply
Fire Sprinkler Technician
RED BEACON FIRE & ELECTRIC INC —Orange, CA
- $25 - $35 an hour
- Full-time
- Mid-level
- Residential
- 2 years
- Health insurance
- 401(k)
Quick Apply
Fire Sprinkler Technician
Cal Counties Fire Protection —Inland Empire, CA
- From $20 an hour
- 18 years or older
- Spanish
- Clean driving record
Fire Sprinkler Fitter
Building Talent Foundation —Anaheim, CA
- $21.75 - $35.00 an hour
- Full-time
- Construction site
- Mid-level
- Residential
Quick Apply
9d
Industrial Pipefitter Journeyman
Brown & Root —Ontario, CA
- Mid-level
- Ability to lift 50 pounds
- Power tools
Quick Apply
Fire Sprinkler Foreman
Guardian South Inc —City of Industry, CA
- $32 - $45 an hour
- 8 hour shift
- Construction site
- 5 years
- Conflict management
- Health insurance
- Dental insurance
Quick Apply

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Fire Sprinkler Trainee
GNA-Brook Fire Protection —Glendora, CA
Valid driver’s license with a clean driving record. Assist fire sprinkler fitters in the field with installation, service, and repairs.
$22 - $25 an hour
Quick Apply
Fire Sprinkler Fitter
Building Talent Foundation —Anaheim, CA
Experience interpreting technical drawings for pipe installation and assembly within construction or manufacturing settings.
$21.75 - $35.00 an hour
Quick Apply
9d

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Pipe Welder – Fabrication shop
Warriors 2 Workforce —Columbus, OH
Please briefly describe your recent MIG (GMAW) pipe welding experience, including pipe size and whether it was roll-out or fixed position.
$26 - $30 an hour
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Industrial Pipefitter – Shop Layout
Warriors 2 Workforce —Obetz, OH
Are you comfortable reading blueprints or isometric drawings for pipe layout? This role includes a basic weld evaluation during the interview process.
$24 - $32 an hour
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Welder

Retrofit Technology -
Bloomington, CA

Quick Apply

Job Details

$30 - $60 an hour

Benefits

Paid holidays
Health insurance
Dental insurance
Paid time off
401(k) 4% Match
401(k) matching

Qualifications

High school diploma or GED

Full Job Description

Company Background:

We are 24 (and growing) market-leading operating companies that deliver unmatched HVAC, mechanical, refrigeration, plumbing, and electrical solutions. We are actively building the nation's preferred technical service partnership for commercial MEP+ ecosystems, empowering industrial, commercial, and institutional clients—including Fortune 500 companies and other industry leaders across the United States—with reliable, innovative service. Learn more about us at www.kelso-industries.com

Retrofit Technology is part of the Kelso Industries family of companies, a rapidly growing group of mechanical, electrical, and plumbing (MEP+) contractors committed to excellence in safety, quality, customer success, and craftsmanship.

Based in Bloomington, California, Retrofit Technology specializes in all aspects of commercial HVAC systems, including installation, maintenance, and service. Our team is equipped to handle projects from start to finish with precision and care. Backed by certified welders, electricians, and service technicians, we have the expertise to tackle even the most challenging HVAC retrofit and mechanical projects—delivering exceptional results every time.

ABOUT THE ROLE

We are seeking an experienced Pipe Welder to join our growing team and support mechanical and HVAC retrofit projects across Southern California.

This position is based out of Bloomington, CA and requires frequent travel to job sites throughout the region. A daily per diem is provided and hotel accommodations are covered by the company when overnight stays are necessary.

The Pipe Welder will be responsible for fabricating, assembling, and installing piping systems for commercial and industrial HVAC applications. The ideal candidate has hands-on experience with multiple welding methods and piping materials, values safety and quality, and can work both independently and as part of a field crew.

RESPONSIBILITIES

Weld and assemble piping systems using various methods (TIG, MIG, stick, brazing, soldering, etc.).
Fit, align, and secure pipe systems and supports according to specifications and drawings.
Read and interpret blueprints, schematics, and technical drawings.
Fabricate and install copper, carbon steel, stainless steel, and PVC piping.
Perform rigging, demo, and installation work on HVAC retrofit projects.
Inspect completed welds to ensure compliance with codes and safety standards.
Collaborate with project managers, foremen, and other trades to complete projects efficiently.
Maintain a clean, safe, and organized work area in compliance with OSHA and company policies.

QUALIFICATIONS

High school diploma or GED equivalent.
3+ years of experience in pipe welding or mechanical retrofit environments.
Proficiency in one or more of the following:
- Soldering or brazing copper pipe
- Welding carbon or stainless steel pipe
- Fitting or threading steel and PVC pipe
Ability to pass a pipe welding test (administered at our Bloomington shop).
Skilled at reading and following mechanical drawings and specifications.
Valid driver's license and willingness to travel throughout Southern California.
Strong attention to detail, reliability, and safety mindset.

COMPENSATION & BENEFITS

Hourly wage: $30 – $50 per hour (based on experience and certification)
Per diem and hotel accommodations provided for overnight travel
Paid travel time to and from job sites
Comprehensive benefits package:
- Medical and dental (50% employer paid)
- 401(k) with up to 4% company match
- Eligibility after 30 days of employment
Paid Time Off (PTO) and company holidays
Opportunities for long-term growth within the Kelso Industries family

JOIN OUR TEAM

If you're a skilled welder who takes pride in craftsmanship and enjoys working on complex HVAC retrofit projects, we'd love to hear from you. Apply today to join a team that values safety, integrity, and excellence in every project.

Why Join Us?

We're committed to attracting talented individuals who seek a company with a strong foundation of success and an outstanding culture. We proactively provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.

Learn more about us at www.kelso-industries.com

We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment on the basis of race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business.

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pipefitter jobs in ontario ca

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ABOUT THE ROLE

RESPONSIBILITIES

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COMPENSATION & BENEFITS

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