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Boiler Apprentice Jobs in California (NOW HIRING)

LLNL

Boiler & Pressure System Mechanic II

Livermore, CA · On-site

$9.7K/wk

  • Retirement

Completion of an apprenticeship training program and/or significant equivalent journey- to advanced- level experience working with a combination of commercial packaged hot water and steam boilers as ...

LLNL

Boiler & Pressure System Mechanic II

Livermore, CA · On-site

$50.47 - $61.34/hr

  • Retirement

Completion of an apprenticeship training program and/or significant equivalent journey- to advanced- level experience working with a combination of commercial packaged hot water and steam boilers as ...

LLNL

Boiler & Pressure System Mechanic II

Livermore, CA · On-site

$50.47 - $61.34/hr

  • Retirement

Completion of an apprenticeship training program and/or significant equivalent journey- to advanced ... boilers, hot water boilers, thermal fluid heaters, and related systems, (e.g. expansion tanks ...

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All JobsBoiler Apprentice JobsBoiler Apprentice Jobs in California

Boiler Apprentice information

See California salary details

$10

$19

$30

How much do boiler apprentice jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for boiler apprentice in California is $19.86, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $22.55 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a boiler apprentice?

To thrive as a Boiler Apprentice, you need a basic understanding of mechanical systems, math skills, and a high school diploma or equivalent. Familiarity with hand and power tools, as well as safety certifications like OSHA 10, are commonly required for safe and efficient learning on the job. Strong attention to detail, eagerness to learn, and effective teamwork stand out as valuable soft skills. These qualities ensure apprentices can develop technical expertise while maintaining safety and contributing positively to the team environment.

What does a boiler apprentice do?

As a Boiler Apprentice, your day often includes assisting experienced technicians with routine maintenance, troubleshooting, and repairs on various types of boiler systems. You'll spend time learning how to inspect and clean boiler machinery, replace parts, and ensure systems operate safely and efficiently. Expect to work both independently and as part of a team, sometimes in confined spaces or at different job sites. Over time, you'll build hands-on experience while gradually taking on more complex tasks as your skills grow.

What is a boiler apprentice?

A Boiler Apprentice is an entry-level worker who assists experienced boiler technicians in installing, maintaining, and repairing boilers and heating systems. Apprentices learn to read blueprints, operate tools, and follow safety procedures while gaining hands-on experience. This role often involves working in industrial, commercial, and residential settings under supervision. The apprenticeship program typically combines on-the-job training with classroom instruction to develop technical skills. Over time, apprentices gain the knowledge required to become certified boiler technicians or operators.

What are the most commonly searched types of Boiler jobs in California? The most popular types of Boiler jobs in California are:
What are popular job titles related to Boiler Apprentice jobs in California? For Boiler Apprentice jobs in California, the most frequently searched job titles are:
What job categories do people searching Boiler Apprentice jobs in California look for? The top searched job categories for Boiler Apprentice jobs in California are:
What cities in California are hiring for Boiler Apprentice jobs? Cities in California with the most Boiler Apprentice job openings:
Boiler Apprentice jobs near you
Infographic showing various Boiler Apprentice job openings in California as of August 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 100% In-person job distribution, with an average salary of $41,313 per year, or $19.9 per hour.

Commercial HVAC Boiler Technician

Mesa Energy Systems, Inc.

Riverside, CA • On-site

$31.32 - $65.49/hr

Full-time

Re-posted 3 days ago

Job description

About Us

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.

Job Summary

Mesa Energy Systems has an immediate need for a Boiler Technician. The Boiler Technician follows preventative maintenance, troubleshoot, test and repairs all boiler controls and system components.

Essential Duties & Responsibilities
  • Maintain daily operations of boilers. 
  • Complete daily checks and maintain necessary operating records. 
  • Perform PM maintenance and repairs to boilers and associated equipment. 
  • Perform monthly testing of all safeties. 
  • Complete annual tuning and inspections of boilers. 
  • Monitor chemical feeds for boiler systems. 
  • Monitor exhaust/stack emissions.  
Qualifications
  • Must have completed 4-year apprenticeship program or technical schooling 
  • Must have 5+ years of commercial air conditioning experience 
  • Must be available for emergency call outs 
  • Must be a team player and able to work with other trades and client's staff. 
  • Rule 1415 certified 
  • EMS experience a plus (Staefa/Siemens) 
  • Valid driver's license in good standing 

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite  

Equal Opportunity EmployerAs a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/DisabledAffirmative Action Policy

Please review our Affirmative Action Policy.

Notice to Prospective EmployeesNotice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine. EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR's normal application process - it is probably fraudulent.Geographic Disclosure

Compensation Range:   $31.32 - $65.49 per hour The hourly rate is determined by the CBA/rate sheet and test results. Benefits are provided through local labor union aligned with collective bargaining agreement. 

Employment Type: FULL_TIME

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