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Plant Operator Trainee Jobs in California (NOW HIRING)

Calpine

Power Operations Trainee

Middletown, CA · 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 ...

Calpine

Power Operations Trainee (IC&E)

Coyote, CA · On-site

$32.77 - $34.90/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 ...

Calpine

Power Operations Trainee (IC&E)

San Diego, CA · On-site

$32.77 - $34.90/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 ...

Clearway Energy

Solar Technician

Rosamond, CA · On-site

$50K - $60K/yr

Technician Trainee ($50,000 - $60,000) Solar Technician I ($54,000 - $77,000) Solar Technician II ( ... Writes Plant Orders, Plant Procedures, Operating Instructions and other documents as assigned by ...

Calpine

Power Operations Trainee (IC&E)

San Diego, CA · On-site

$32.77 - $34.90/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 ...

Clearway Energy

Solar Technician

Rosamond, CA · On-site

$50K - $60K/yr

Technician Trainee ($50,000 - $60,000) Solar Technician I ($54,000 - $77,000) Solar Technician II ( ... Writes Plant Orders, Plant Procedures, Operating Instructions and other documents as assigned by ...

Calpine

Power Operations Trainee (IC&E)

Coyote, CA · On-site

$32.77 - $34.90/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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Showing results 21-40

All JobsPlant Operator JobsPlant Operator Trainee JobsPlant Operator Trainee Jobs in California

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 Sep 5, 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.

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.

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 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.

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 procedures, and willingness to learn on the job. Prior experience in related roles or with operating machinery can be advantageous.

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 passing written exams and gaining on-the-job experience, making it moderately challenging but achievable with proper preparation and training. Skills in mechanical systems, safety procedures, and attention to detail are important for success in this role.

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:

Plant Operator Trainee jobs near you
Infographic showing various Plant Operator Trainee job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $52,269 per year, or $25.1 per hour.

Power Operations Trainee

Calpine

Middletown, CA • On-site

$28.50 - $32.32/hr

Full-time

Re-posted 26 days ago

Calpine rating

8.7

Company rating: 8.7 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

Job description

Calpine, a business unit of Constellation Energy Corporation (Nasdaq: CEG), is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. With 79 energy facilities in operation, Calpine's fleet has the capacity to generate approximately 27,000 MW of electricity - enough to power approximately 27 million homes. Through wholesale power operations and its retail businesses, Calpine serves customers in 22 states and Canada. Its clean, efficient, modern and flexible fleet uses advanced technologies to generate power in a low-carbon and environmentally responsible manner.
The company was established on the premise that a strong commitment to the environment is inextricably linked to excellence in power generation and corporate responsibility. Since its founding in 1984, Calpine has led the power industry in its unwavering commitment to environmental stewardship. In addition, its renewable geothermal plants use steam generated deep below the earth's surface to produce clean, renewable electricity.
Job Summary: (includes but is not limited to the following, other duties may be assigned)
Assists in the operation of plant equipment, starts and stops pumps and auxiliary equipment, checks and ensures proper lubrication and cooling on all pumps, motors, fans compressors, etc. Takes and records plant operational data. Inspects plant equipment for faulty operations. Will assist in performing a variety of plant maintenance tasks including diagnosis, maintenance and repair of mechanical and electrical equipment in a safe, efficient and economical manner. Position will perform routine trouble shooting activities, such as maintaining, calibrating and repairing plant electrical, instrumentation, and control systems; operates and monitor equipment to optimize unit performance. Performs the necessary operating, regulating and adjusting duties to maintain proper output of the generating units, proper water flows, pressures, temperatures draft conditions and fuel consumption. Maintains operational/training logs to ensure understanding of assigned job. Assists in the operation of turbine/generator equipment including synchronization of units. May assists in the closing and opening of switchyard circuit breakers and associated disconnects per switching orders. Assists in making the necessary adjustments to maintain generator voltages and unit power factor. This position will also assist in ensuring compliance with all local, State and Federal regulations and plant procedures and is responsible for maintaining a safe work environment and contributes to operating procedures to ensure consistent and safe operations. Performs related work as required.
Job Requirements
  • Requires a High School Diploma, degree from technical/vocational school or equivalent.
  • Requires zero to four years of related experience.
  • Prefer some previous experience using test equipment and calibration appliances. Additional experience with machinery repair and control systems preferred.

Salary Information
  • Range - $28.50-$32.32/ hour

Additional Calpine Information:
  • Equal Opportunity Employer of Minorities, Females, Protected Veterans, and Individuals with Disabilities.
  • Calpine is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment and need special assistance or an accommodation to use our website or to apply for a position, please send an e-mail with your request to hrrecruitment@calpine.com. Determination on requests for reasonable accommodation are made on case-by-case basis.

Please view Equal Employment Opportunity Posters provided by OFCCP here
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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