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Plant Operator Trainee Jobs in California (NOW HIRING)

The Powerhouse Assistant Operator Trainee is in the beginning phases of learning to operate and ... Draw out the fuel system, boiler, ESP ash, instrument, plant air, fire protection, and service ...

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Start the plant. * Take inventory of all chemicals, testing supplies and testing equipment for restocking purposes. * Perform inspections on safety related items, first aid kit, fire extinguishers ...

Wastewater Operator

Crockett, CA ยท On-site

$37 - $43/hr

We are seeking a skilled and motivated Wastewater Plant Operator to oversee the daily operation and ... Train and mentor junior staff or trainees as required. Work Environment: * Work is performed in ...

We are seeking a skilled and motivated Wastewater Plant Operator to oversee the daily operation and ... Train and mentor junior staff or trainees as required. Work Environment: * Work is performed in ...

... operating plants in California and Arizona . This program is designed to place high-potential new ... We will pair you closely with experienced operations managers and plant teams to learn all aspects ...

Power Operations Trainee

Middletown, CA ยท On-site

$28.50 - $32.32/hr

... plant electrical, instrumentation, and control systems; operates and monitor equipment to optimize unit performance. Performs the necessary operating, regulating and adjusting duties to maintain ...

Power Operations Trainee

Lebec, CA ยท On-site

$28.50 - $30.35/hr

... plant electrical, instrumentation, and control systems; operates and monitor equipment to optimize unit performance. Performs the necessary operating, regulating and adjusting duties to maintain ...

Power Operations Trainee

Lebec, CA ยท On-site

$28.50 - $30.35/hr

... plant electrical, instrumentation, and control systems; operates and monitor equipment to optimize unit performance. Performs the necessary operating, regulating and adjusting duties to maintain ...

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Plant Operator Trainee information

See California salary details

$30.1K

$52.3K

$84.4K

How much do plant operator trainee jobs pay per year?

As of Aug 6, 2026, the average yearly pay for plant operator trainee in California is $52,269.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,400.00 and $58,700.00 per year, depending on experience, location, and employer.

How to get hired as a plant operator trainee?

To get hired as a plant operator trainee, candidates typically need a high school diploma or equivalent, relevant technical training or certification, and sometimes a valid driver's license. Employers often look for basic mechanical skills, the ability to follow safety protocols, and willingness to learn on the job, with some positions requiring passing a background check and drug test.

Is being a plant operator trainee worth it?

A plant operator trainee role provides hands-on experience in operating and maintaining industrial equipment, often leading to full-time positions with competitive wages and benefits. The job requires technical skills, safety awareness, and sometimes certifications, making it a valuable entry point into the energy, manufacturing, or utilities industries.

What are some common challenges faced by plant operator trainees during their initial training period?

Plant Operator Trainees often encounter challenges such as adapting to rotating shift schedules, learning to monitor complex machinery, and quickly troubleshooting minor operational issues. Trainees must also become familiar with strict safety protocols and environmental regulations, which can be overwhelming at first. However, with mentorship from experienced operators and structured hands-on training, most trainees are able to develop the necessary confidence and skills to handle these responsibilities effectively.

What is the difference between Plant Operator Trainee vs Plant Operator?

AspectPlant Operator TraineePlant Operator
CredentialsHigh school diploma or equivalent; some certifications may be preferredTypically requires relevant certifications or licenses, such as a state-issued operator license
Work EnvironmentTraining environment, supervised, learning on the jobFull responsibility for operating equipment, more autonomous
Job ResponsibilitiesAssisting and learning under supervisionOperating machinery, monitoring systems, troubleshooting

In summary, a Plant Operator Trainee is in a learning phase, gaining skills and certifications needed to become a fully qualified Plant Operator. The trainee role involves supervision and assistance, while the Plant Operator role involves independent operation and responsibility.

What is a plant operator trainee?

Plant Operator Trainees are entry-level employees who learn to operate, monitor, and maintain machinery and equipment at facilities such as power plants, water treatment plants, or manufacturing sites. They receive on-the-job training to understand safety procedures, equipment operation, and facility protocols under the supervision of experienced operators. Their goal is to gain the necessary skills and knowledge to eventually become fully qualified Plant Operators. This role typically involves a combination of classroom instruction and hands-on experience.

Is it hard to become a plant operator trainee?

Becoming a plant operator trainee typically requires a high school diploma or equivalent, technical training, and sometimes a relevant certification. The process involves learning safety protocols, operating procedures, and gaining hands-on experience, which can vary in difficulty depending on prior knowledge and training opportunities.

What are the key skills and qualifications needed to thrive as a plant operator trainee?

To thrive as a Plant Operator Trainee, you need a basic understanding of mechanical and electrical systems, a high school diploma or equivalent, and a willingness to learn plant operations. Familiarity with SCADA systems, safety protocols, and basic hand tools is often required, and some employers may prefer candidates with relevant certifications like OSHA or confined space entry. Attention to detail, teamwork, and strong communication skills help trainees adapt quickly and contribute to safe, efficient plant operations. These skills are crucial for ensuring safety, minimizing downtime, and supporting the smooth functioning of the facility.

What degree do I need to become a plant operator trainee?

A plant operator trainee typically needs a high school diploma or equivalent; some positions may require post-secondary education such as an associate degree in engineering, environmental science, or a related field. Relevant skills include understanding of mechanical systems and safety procedures, and obtaining certifications like a commercial driver's license or plant-specific training can be beneficial.
What are the most commonly searched types of Plant Operator jobs in California? The most popular types of Plant Operator jobs in California are:
What are popular job titles related to Plant Operator Trainee jobs in California? For Plant Operator Trainee jobs in California, the most frequently searched job titles are:
What job categories do people searching Plant Operator Trainee jobs in California look for? The top searched job categories for Plant Operator Trainee jobs in California are:
What cities in California are hiring for Plant Operator Trainee jobs? Cities in California with the most Plant Operator Trainee job openings:
Infographic showing various Plant Operator Trainee job openings in California as of August 2026, with employment types broken down into 39% Full Time, 57% Part Time, 2% Temporary, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $52,269 per year, or $25.1 per hour.

Treatment Plant Operator Trainee II

Placer County Water Agency (CA)

Auburn, CA โ€ข On-site

$65K - $83K/yr

Full-time

Posted 15 days ago


Job description

JOB CLASS SPECIFICATION SUMMARY DESCRIPTION To assist Water Treatment Plant Operators in the operation, repair and maintenance of the Agency's water treatment plants and related facilities; and to assist in recording, reporting and logging plant operations, test results and maintenance work. DISTINGUISHING CHARACTERISTICS This is the entry level class in the Treatment Plant Operator series. Positions in this class work under close supervision while continuing to learn job tasks.

The Treatment Plant Operator Trainee II is distinguished from the Treatment Plant Operator level by the performance of tasks allowed with possession of a Water Treatment Operators Grade 2 certification. SUPERVISION RECEIVED AND EXERCISED Receives general supervision from the Treatment Plant Operations Supervisor; receives technical and functional supervision from the Lead Treatment Plant Operator. EXAMPLES OF DUTIES - The following duties are typical for this classification.

Incumbents may not perform all of the listed duties and/or may be required to perform additional or different duties from those set forth below to address business needs and changing business practices. Learn skilled plant operations by assisting higher skilled employees. Control and operate treatment plant equipment, including pumps and valves by using SCADA computer equipment to control, monitor and regulate the flow of water treatment and processing of chemicals through the plant.

Observe variations in operating conditions and interpret computer and gauge readings and charts and conduct visual inspections. Coordinate the rate with demand. Record, report and log plant operations, test results, maintenance work performed and unusual operating conditions.

Backwash filter beds. Collect, test, analyze and record water samples; adjust chemical feeders and other plant equipment. Perform on-call duties.

Maintain, inspect and clean plants, operating equipment and facilities. Receive supplies delivered and ensure that they are properly stored. Operate a motor vehicle and other work related equipment.

Clean and maintain plant equipment when necessary under the direction of a supervisor or maintenance personnel. Build and maintain positive working relationships with co-workers, other Agency employees and the public using principles of good customer service. Perform related duties as assigned.

QUALIFICATIONS KNOWLEDGE OF: Basic mechanical knowledge of pumps, electrical motors, piping and control systems. Tools and equipment needed to make general repairs and adjustments to water treatment plants. Principles and practices associated with operating a water treatment plant and associated facilities.

Basic drinking water standards and regulations. Proper handling of hazardous materials. Basic water quality testing procedures.

Elementary mechanical, electrical and hydraulic principles. Basic arithmetic. Modern office equipment including use of word processing, database and spreadsheet applications.

Communicate clearly and concisely, both orally and in writing. Establish and maintain effective working relationships with those contacted in the course of work. ABILITY TO: Perform water treatment plant operations and activities as permitted with a Water Treatment Operators Grade 2 certificate.

Demonstrate initiative and independent thinking. Apply practices and procedures related to the operation and maintenance of water treatment plants. Apply local, State and Federal regulations related to the operation of a drinking water treatment plant.

Effectively use a variety of software related to the operation of the treatment plant and distribution system. Keep and maintain written records and reports. Follow safety rules and regulations.

Perform standardized water tests. Recognize unusual, inefficient, or dangerous operating conditions. Interpret plant and piping diagrams.

Safely operate a motor vehicle and other work related equipment. Operate a computer using word processing, business software and other office equipment. Communicate clearly and concisely, both orally and in writing.

Establish and maintain effective working relationships with those contacted in the course of work. WORKING CONDITIONS: Work is carried out in an outside environment with exposure to various weather conditions and occasionally work in an office environment. Frequently climb, stoop, kneel, crouch, reach, stand and walk.

Frequently push, pull, grasp and carry while walking. Work on various types of terrain and footing which may be slippery. Frequently lift up to 50 pounds.

Work with or near hazardous chemicals. Work in confined spaces. Perform standby as required.

Experience and Education-Any combination of education and experience that would likely provide the required knowledge and abilities is qualifying. A typical way to obtain the knowledge and abilities would be: Experience: Experience consistent with the State of California's requirements for obtaining and maintaining a Water Treatment Operators Certificate, Grade 2. Education: Equivalent to the completion of the twelfth grade.

License or Certificate: Possession and maintenance of a valid California driver's license and acceptable driving record. Possession of valid California State Water Resources Control Board Water Treatment Operators Certificate, Grade 2. PCWA is an Equal Opportunity Employer.