ZipRecruiter

Log In

1

Assistant Boiler Operator Jobs in California (NOW HIRING)

ABM Industries

Building Engineer - Part Time

Carlsbad, CA · On-site

$36/hr

The Building Engineer is qualified to operate or assist in operating all heating and ventilating ... Operate, maintain and repair all boilers, heaters, pumps, valves, appurtenances, and lines used in ...

vicinityenergy

Auxiliary Operator

Kneeland, CA · On-site

$45.54/hr

Maintain proper external cleanliness of boilers and related areas. * Maintain proper lubrication of equipment. * Keep Assistant Watch Engineer and Control Room Operator informed of changes in ...

vicinityenergy

Auxiliary Operator

Kneeland, CA · On-site

$45.54/hr

Maintain proper external cleanliness of boilers and related areas. * Maintain proper lubrication of equipment. * Keep Assistant Watch Engineer and Control Room Operator informed of changes in ...

ABM Industries, Inc.

Building Engineer

San Diego, CA · On-site

$40/hr

The Building Engineer is qualified to operate or assist in operating all heating and ventilating ... Operate, maintain and repair all boilers, heaters, pumps, valves, appurtenances, and lines used in ...

next page

Showing results 1-20

All JobsBoiler Operator JobsAssistant Boiler Operator JobsAssistant Boiler Operator Jobs in California

Assistant Boiler Operator information

See California salary details

$12

$28

$41

How much do assistant boiler operator jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for assistant boiler operator in California is $28.45, according to ZipRecruiter salary data. Most workers in this role earn between $23.70 and $32.74 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Assistant Boiler Operator, and why are they important?

To thrive as an Assistant Boiler Operator, you need a solid understanding of boiler operations, mechanical systems, and safety protocols, often supported by a high school diploma and relevant technical training. Familiarity with control systems, water treatment procedures, and industry certifications such as a Boiler Operator’s License are typically required. Attention to detail, problem-solving abilities, and effective teamwork are essential soft skills in this role. These competencies ensure safe and efficient boiler operation, minimize downtime, and help maintain regulatory compliance in industrial environments.

What is the difference between Assistant Boiler Operator vs Boiler Operator?

AspectAssistant Boiler OperatorBoiler Operator
CertificationsTypically requires a high school diploma and boiler operation training; may need a license depending on stateRequires similar certifications; often needs a boiler operator license or certification
Work EnvironmentAssists in maintaining and monitoring boilers in industrial, commercial, or power plant settingsOperates and controls boilers independently, ensuring safety and efficiency
Job ResponsibilitiesSupports boiler operation, performs routine maintenance, and monitors equipmentManages boiler operation, troubleshooting, and safety compliance

While both roles involve working with boilers and require similar certifications, the Assistant Boiler Operator typically supports and assists in daily operations, whereas the Boiler Operator independently manages the boiler systems. The assistant role is often a stepping stone to becoming a licensed Boiler Operator.

What are Assistant Boiler Operators?

Assistant Boiler Operators are professionals who support the safe and efficient operation of industrial boilers. They help monitor boiler systems, check equipment for proper functioning, perform routine maintenance, and assist in troubleshooting any issues that arise. Their responsibilities often include recording operating data, handling water treatment processes, and following safety protocols. Working under the supervision of a licensed Boiler Operator, they play a crucial role in ensuring the reliability of heating and power generation systems.

What are some common challenges an Assistant Boiler Operator may face during their shift?

Assistant Boiler Operators often encounter challenges such as responding quickly to unexpected equipment malfunctions, maintaining optimal pressure and temperature levels, and ensuring compliance with strict safety protocols. The role requires constant vigilance, as boilers need to be monitored for leaks, unusual noises, or fluctuations that could indicate problems. Additionally, communicating effectively with maintenance teams and senior operators is crucial when troubleshooting or performing routine maintenance, ensuring smooth and safe plant operations.
What are the most commonly searched types of Boiler Operator jobs in California? The most popular types of Boiler Operator jobs in California are:
What are popular job titles related to Assistant Boiler Operator jobs in California? For Assistant Boiler Operator jobs in California, the most frequently searched job titles are:
What job categories do people searching Assistant Boiler Operator jobs in California look for? The top searched job categories for Assistant Boiler Operator jobs in California are:
What cities in California are hiring for Assistant Boiler Operator jobs? Cities in California with the most Assistant Boiler Operator job openings:
Assistant Boiler Operator jobs near you
Infographic showing various Assistant Boiler Operator job openings in California as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 19% Part Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $59,181 per year, or $28.5 per hour.

Boiler Operator

NONG SHIM FOODS INC.

Rancho Cucamonga, CA • On-site

$30/hr

Full-time

Posted 21 days ago

Job description

Job Summary

Nongshim Foods America is seeking a reliable and skilled Industrial Boiler/Utility Technician to join our plant operations team. This role is essential for maintaining and operating our industrial utility systems, including high-pressure boilers, air compressors, water treatment, and related equipment critical to our food production process.

Key Responsibilities

  • Operate, maintain, and troubleshoot high-pressure steam boilers and related systems
  • Monitor boiler room equipment and ensure optimal performance and compliance with safety standards
  • Perform preventative maintenance on utility systems including air compressors, pumps, valves, heat exchangers, and water treatment systems
  • Respond to equipment alarms or malfunctions and execute corrective action
  • Maintain accurate records of maintenance, inspections, and repairs
  • Assist with plant utilities management and participate in energy efficiency initiatives
  • Ensure compliance with all local, state, and federal regulations regarding boiler and utility operations
  • Collaborate with maintenance, production, and safety teams to support continuous plant operation

Required Skills and Qualifications

  • Minimum 1–3 years of hands-on experience with high-pressure industrial boilers (firetube or water tube)
  • Valid California Certified Boiler Operator License or equivalent (Not Required, But a Plus)
  • Strong mechanical aptitude and understanding of steam systems, fuel systems (natural gas/oil), pumps, valves, pressure vessels, and boiler safety devices
  • Proficient in diagnosing boiler faults and performing routine and emergency repairs
  • Familiarity with burner management systems, flame safeguards, and boiler controls (mechanical and PLC-based)
  • Knowledge of water chemistry and treatment principles (e.g., hardness, pH, conductivity)
  • Ability to read and interpret piping and instrumentation diagrams (P&IDs), manuals, and technical specifications
  • Comfortable working in a physically demanding industrial environment (heat, noise, confined spaces, heights)

Preferred Qualifications

  • Boiler Operator License (State of CA or equivalent)
  • Experience in a food manufacturing or industrial setting
  • Knowledge of water treatment systems or compressed air systems
  • Basic computer skills for maintenance logging


Pay Information

We offer a competitive pay range of $30–$42 per hour, with exact compensation determined by your experience, qualifications, and licensing.