Demo

Commercial Plumber/Pipefitter

Ralph G. Degli Obizzi & Sons, LLC
Wilmington, DE Full Time
POSTED ON 4/23/2026
AVAILABLE BEFORE 5/22/2026
Together We Build – Partnership, Innovation, Excellence, and Safety across the Kelso Industries' Companies

We're not just offering a job, we're inviting you to be part of a team built on PARTNERSHIP, INNOVATION, EXCELLENCE, and SAFETY.

  • PARTNERSHIP means we work together with trust, loyalty, and an owner mindset, always striving for win-win outcomes.
  • INNOVATION drives us to think differently and create real value in everything we do.
  • EXCELLENCE pushes us to set high expectations and deliver exceptional results.
  • SAFETY is our foundation—both physical and psychological safety matter every single day.

If you're looking for a place where you can grow your career, be valued for who you are, and contribute to something meaningful, we'd love to have you on our team.

The Kelso Industries company is comprised of 27 (and growing) market-leading operating companies with over 2,600 employees 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.

POSITION SUMMARY:

Performs Plumber/Pipefitter duties in the construction, installation, alteration, remodeling or removal and replacement of plumbing; and performs other duties as required.

Install plumbing systems and all other related components correctly and in a timely manner, while also helping facilitate customer satisfaction and workplace safety. All Plumbers are expected to work under close supervision within a team-oriented environment and with a minimal amount of creative design, depending on work experience and proven competencies.

KEY RESPONSIBILITIES:

  • Assemble, install, and repair pipes, fittings, and fixtures, domestic water and drainage systems according to plumbing codes.
  • Inspect structures to locate and mark positions for pipes and connections.
  • Utilize hand tools, power tools, and electronic test equipment for plumbing tasks.
  • Perform tests to locate leaks and other plumbing issues using water or air and reading gauges.
  • Cut openings in walls and floors to accommodate pipe fittings.
  • Assemble and install valves, pipe fittings, and both metal and nonmetal pipes.
  • Install plumbing fixtures, including toilets, drains, and water heaters.
  • Model and promote excellent customer service for internal and external customers.
  • Work collaboratively with contractors and other tradesmen.
  • Maintain inventories of tools, materials, and equipment, ensuring optimal material consumption.
  • Ensure plumbing systems are safe and running efficiently.
  • Follow all safety protocols and comply with statutory regulations and plumbing codes.

QUALITIFCATIONS:

  • Commercial plumbing experience.
  • Completion of an apprenticeship or trade school in plumbing.
  • Valid driver's license and clean driving record

Physical Requirements

  • Ability to lift, push, and pull objects over 50 lbs. and work in confined spaces.
  • Prolonged periods of standing and walking.
  • Strong ability to operate under severe temperature conditions for long periods of time.
  • Ability to climb, stoop, balance, crouch, crawl, or/and kneel continually.
  • Must be able to access and navigate all areas of construction sites.

BENEFITS:

  • Full Health/Dental/Vision
  • 401K
  • Paid Time Off
  • Life Insurance
  • Career Advancement Opportunities

If you're a motivated professional looking for steady work and solid benefits, we'd like to hear from you.

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

Salary.com Estimation for Commercial Plumber/Pipefitter in Wilmington, DE
$60,936 to $79,224
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Commercial Plumber/Pipefitter?

Sign up to receive alerts about other jobs on the Commercial Plumber/Pipefitter career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$57,202 - $74,749
Income Estimation: 
$68,011 - $87,725
Income Estimation: 
$57,202 - $74,749
Income Estimation: 
$68,011 - $87,725
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Ralph G. Degli Obizzi & Sons, LLC

  • Ralph G. Degli Obizzi & Sons, LLC Wilmington, DE
  • Together We Build – Partnership, Innovation, Excellence, and Safety across the Kelso Industries' Companies We're not just offering a job, we're inviting yo... more
  • 4 Days Ago

  • Ralph G. Degli Obizzi & Sons, LLC Wilmington, DE
  • Together We Build – Partnership, Innovation, Excellence, and Safety across the Kelso Industries' Companies We're not just offering a job, we're inviting yo... more
  • 6 Days Ago


Not the job you're looking for? Here are some other Commercial Plumber/Pipefitter jobs in the Wilmington, DE area that may be a better fit.

  • Sobieski Mechanical & Fire Protection Wilmington, DE
  • Commercial Plumbing Mechanic Location: Newark, DE J.F. Sobieski Mechanical Contractors, Inc. of Newark, Delaware is looking to hire a full-time Commercial ... more
  • 6 Days Ago

  • SPS Mechanical Swedesboro, NJ
  • $2000 Sign on Bonus SPS Mechanical is looking to hire Plumbers of all experience levels who are interested in working for a growing company with a strong e... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!