Retrofit Technology, LLC
Pipe Welder
Location
Bloomington, CA (Southern California)
Company Background Kelso Industries is a market‑leading group of six operating companies that deliver HVAC, mechanical, refrigeration, plumbing, and electrical solutions. We are 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—with reliable, innovative service. Learn more at www.kelso-industries.com.
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 in 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.
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 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
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 provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.
EEO Statement 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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Company Background Kelso Industries is a market‑leading group of six operating companies that deliver HVAC, mechanical, refrigeration, plumbing, and electrical solutions. We are 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—with reliable, innovative service. Learn more at www.kelso-industries.com.
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 in 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.
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 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
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 provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.
EEO Statement 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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