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Plumbing Trainee Jobs in Rialto, CA (NOW HIRING)

Ferguson Enterprises, LLC

Credit Trainee

Pomona, CA · On-site

From infrastructure, plumbing, and appliances to HVAC, fire, fabrication, and more, we exist to ... The Credit Trainee program is designed to accelerate your career in credit by teaching you the ...

Mr. Rooter

Service Professional Trainee

Colton, CA · On-site

$18/hr

If you have an interest in pursuing a great career in plumbing service feel free to apply. Expect the following: * Valid Driver License is a MUST * Rides Along with an experienced Service ...

HP Products

Credit Trainee

Pomona, CA

From infrastructure, plumbing, and appliances to HVAC, fire, fabrication, and more, we exist to ... The Credit Trainee program is designed to accelerate your career in credit by teaching you the ...

Ferguson Enterprises Inc.

Credit Trainee

Pomona, CA · On-site

From infrastructure, plumbing, and appliances to HVAC, fire, fabrication, and more, we exist to ... The Credit Trainee program is designed to accelerate your career in credit by teaching you the ...

Lighting Unlimited

Credit Trainee

Pomona, CA · On-site

From infrastructure, plumbing, and appliances to HVAC, fire, fabrication, and more, we exist to ... The Credit Trainee program is designed to accelerate your career in credit by teaching you the ...

SUPPLY.com

Credit Trainee

Pomona, CA · On-site

From infrastructure, plumbing, and appliances to HVAC, fire, fabrication, and more, we exist to ... The Credit Trainee program is designed to accelerate your career in credit by teaching you the ...

All JobsPlumbing JobsPlumbing Trainee JobsPlumbing Trainee Jobs in Rialto, CA

Plumbing Trainee information

See Rialto, CA salary details

$13

$21

$36

How much do plumbing trainee jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for plumbing trainee in Rialto, CA is $21.21, according to ZipRecruiter salary data. Most workers in this role earn between $15.43 and $24.33 per hour, depending on experience, location, and employer.

What is a plumbing trainee?

Plumbing trainees are individuals who are in the early stages of learning the plumbing trade, typically through an apprenticeship or entry-level position. They work under the supervision of experienced plumbers to gain hands-on experience with installing, repairing, and maintaining plumbing systems. Plumbing trainees often assist with basic tasks such as assembling pipes, cleaning work areas, and learning to use plumbing tools and equipment. Over time, they acquire the skills and knowledge needed to become fully qualified plumbers.

What are the key skills and qualifications needed to thrive as a plumbing trainee, and why are they important?

To thrive as a Plumbing Trainee, you need basic mechanical aptitude, problem-solving skills, and a high school diploma or equivalent, often coupled with enrollment in an apprenticeship program. Familiarity with hand and power tools, as well as safety certifications like OSHA, are typically necessary for daily tasks. Strong communication, attention to detail, and a willingness to learn help trainees excel within teams and adapt to new challenges. These skills and qualities are crucial for ensuring safe, effective plumbing work and building a foundation for career advancement.

What are some common challenges a plumbing trainee might face during their apprenticeship?

Plumbing Trainees often encounter challenges such as adapting to physically demanding work, learning to troubleshoot issues under supervision, and mastering a wide variety of tools and materials. Time management can also be tricky, as trainees must balance hands-on tasks with studying for certification exams. However, working closely with experienced plumbers provides valuable support and guidance, making it easier to develop practical skills and build confidence over time.

What is the difference between Plumbing Trainee vs Plumbing Apprentice?

AspectPlumbing TraineePlumbing Apprentice
CredentialsOften no formal certification required initiallyRequires enrollment in an apprenticeship program
Work EnvironmentAssists experienced plumbers on job sitesWorks under supervision, gaining hands-on experience
Industry UsageEntry-level role for those starting in plumbingFormal training pathway for becoming a licensed plumber

Both Plumbing Trainee and Plumbing Apprentice are entry-level positions in the plumbing industry. A Plumbing Trainee typically assists experienced plumbers and may not require formal certification initially, while a Plumbing Apprentice is enrolled in a structured apprenticeship program, combining on-the-job training with classroom learning. The apprentice role is a more formalized pathway toward becoming a licensed plumber, whereas a trainee may be in the early stages of learning the trade.

How do you get into plumbing trainee with no experience?

To become a plumbing trainee with no experience, you can start by completing a high school diploma or equivalent, then enroll in a technical school or apprenticeship program that provides hands-on training and classroom instruction. Gaining basic knowledge of tools and safety procedures is helpful, and some employers may accept entry-level applicants willing to learn on the job and obtain necessary certifications such as OSHA safety training.

What are the most commonly searched types of Plumbing jobs in Rialto, CA?

The most popular types of Plumbing jobs in Rialto, CA are:

What are popular job titles related to Plumbing Trainee jobs in Rialto, CA?

For Plumbing Trainee jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Plumbing Trainee jobs in Rialto, CA look for?

The top searched job categories for Plumbing Trainee jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Plumbing Trainee jobs?

Cities near Rialto, CA with the most Plumbing Trainee job openings:

Plumbing Trainee jobs near you
Infographic showing various Plumbing Trainee job openings in Rialto, CA as of August 2026, with employment types broken down into 88% Full Time, 9% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $44,112 per year, or $21.2 per hour.

Operations Leadership Trainee

Hajoca Corporation

Corona, CA • On-site

$22 - $24/hr

Full-time, Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago

Key responsibilities

  • Participate in hands-on training and day-to-day mentoring to learn and master all profit center jobs.

  • Assist with loading and unloading trucks, operating warehouse forklift and other material handling equipment safely.

  • Confidently assist customers with purchasing and/or picking up merchandise at the Profit Center.

Hajoca rating

7.1

Company rating: 7.1 out of 10

Based on 61 frontline employees who took The Breakroom Quiz

242nd of 428 rated retail wholesalers

Job description

Hajoca Corporation is one of the country's largest privately-held wholesale distributors of plumbing, heating & cooling, and industrial supplies. Founded in 1858, Hajoca is a company based on the principles of "Service, Integrity, Reliability," and on relationships of trust and support with teammates, customers, and suppliers. Throughout its history, Hajoca has played an active role in shaping advances in plumbing. However, we attribute our success to two simple truths; a unique business philosophy and talented people. Hajoca is all about the people, who give us our advantage, and who will guide us successfully into the future.
Although Hajoca is a large company, we work in a decentralized environment where each of our locations, called Profit Centers (PCs), is run by the Profit Center Manager as if it were their own small business. A typical Profit Center is the heart of our business and consists of a warehouse, counter, sales office, and (sometimes) a showroom. Our PCs conduct business under unique trade names and offer a customized business approach, honoring what's special about each local marketplace.
Hajoca is one of those trade names and is looking for a Operations Leadership Trainee at their Corona, CA location.
Pay for Operations Leadership Trainee is between $22 and $24 per hour at this location.
Do you have a strong work ethic and an eagerness to learn? Do you enjoy interacting with people and building relationships? Are you motivated, goal-oriented, and dependable? If so, we'd like you to join our team as an Operations Leadership Trainee.
About the Role:
You will:
  • Participate in hands-on training and day-to-day mentoring to learn and master all profit center jobs and develop the necessary skills for a leadership role within the Profit Center.
  • Actively pursue opportunities to learn each aspect of the business and why it's important.
  • Lead by example. Trainees are future Hajoca Managers and should act like it every day.
  • Effectively listen, communicate, influence and persuade customers, teammates & vendors.

  • Meet all training goals and timelines.
  • Master every job position and demonstrate operational excellence in all areas.
  • Acquire comprehensive product knowledge.
  • Assume as much responsibility as possible and demonstrate leadership ability.
  • Make a difference by impacting the Profit Center in a positive way through daily work and business projects.

  • Load and unload trucks, operate warehouse forklift and other material handling equipment safely.
  • Confidently assist customers who purchase and/or pick up merchandise at the Profit Center.
  • Successfully complete required safety and compliance training programs as assigned.
  • Perform other reasonably related duties as assigned by immediate supervisor and other management as required.

About You:
  • College degree or equivalent industry experience

  • Experience in customer service, sales, management, or leadership roles.

Our ideal candidate will also:
  • Demonstrate excellent communication and interpersonal skills, with the ability to build relationships and collaborate effectively with internal and external stakeholders.

  • Take initiative and demonstrate leadership qualities.
  • Be able to learn how to use and operate applicable computer hardware and software systems (Solar Eclipse, Mincron) used to process orders.
  • Be able to use Microsoft Office software (Outlook, Word, Excel) to communicate via email and to maintain weekly sales plans, call reports and customer contact files, and to analyze customer data.
  • Possesses excellent customer service, communication, and listening skills, and be able to persuade.
  • Be able to build and maintain strong working relationships with customers, teammates, vendors, and co-workers.

  • Be able to quickly develop a comprehensive knowledge of products sold at the Profit Center
  • Be able to learn to operate warehouse material-handling equipment.
  • Read, write, speak, and understand English.
  • Be able to add, subtract, multiply, and divide, using whole numbers, common fractions, and decimals.

The benefits of working with us:
Our culture is well-suited for exceptional people who use their talents to drive business and want to share in the financial success their efforts yield. In addition to a competitive starting wage, we offer a Profit-Sharing Program that provides each team member with an opportunity to earn a direct share of the profits on an annual basis. In addition to our generous compensation package, Hajoca also offers:
Full-time benefits (for team members working 30 or more hours per week):
  • Medical, dental, vision, and prescription coverage
  • Accident, Hospital Indemnity, and critical care coverage
  • Life insurance and Long Term Disability
  • Pre-tax accounts for healthcare, dependent care, and commuter benefits
  • Paid vacation, holidays, and sick time (sick time also offered to PT team members as required by state law)
  • Paid pregnancy and parental leave
  • Paid day of community service

Full-time and part-time benefits:
  • 401(k)
  • Retirement cash account with company contributions
  • Targeted training programs focused on your personal and professional growth
  • Company wellness program
  • Employee discounts
  • College tuition benefits

*Please note that benefit offerings may differ for teammates covered under a collective bargaining agreement or employed through an intern program.
EEOC Statement
Hajoca Corporation is an Equal Opportunity Employer (Equal Opportunity Employer/Veterans/Disabled).
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity/expression, national origin, age, veteran status, disability, or any other protected category pursuant to federal, state or local laws and will not be discriminated against on the basis of any such categories/status. Hajoca is committed to providing reasonable accommodations for qualified individuals with disabilities including, but not limited to, during the application process. Please let us know if you need assistance or an accommodation due to a disability.
We are a drug free workplace. Employment is contingent upon pre-employment drug screening, subject to any federal, state and local laws.
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