ZipRecruiter

Log In

1

Plant Operator Trainee Jobs in California (NOW HIRING)

Collins

Assistant Operator Trainee I

Chester, CA · On-site

$23.53/hr

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 ...

Collins

Assistant Operator Trainee I

Chester, CA · On-site

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 ...

Veolia

Wastewater Operator

Crockett, CA

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 ...

Veolia Environnement SA

Wastewater Operator

Crockett, CA · 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 ...

Veolia Environnement SA

Wastewater Operator

Crockett, CA · 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 ...

next page

Showing results 1-20

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 Aug 14, 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:

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 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.

Assistant Operator Trainee I

Collins

Chester, CA • On-site

$23.53/hr

Full-time

Posted 10 days ago

Job description

Founded in 1855, Collins is family-owned and produces softwood and hardwood products at their facilities in Chester, California, Lakeview, Oregon and Kane, Pennsylvania. In Chester, Collins has the Builders Supply retail hardware and building materials store. Collins is highly respected for their sustainable forest management, practiced across their 370,000 acres of FSC®-certified lands in California, Oregon, and Pennsylvania.

The Powerhouse Assistant Operator Trainee is in the beginning phases of learning to operate and maintain systems within the powerhouse to ensure the continuous and steady operation of supplying steam for lumber drying and generating power for sales.

Duties/Responsibilities*:

  • Comply with safety standards at all times and correct/report any observed safety hazards.
  • Read and study material related to steam boilers and power generation.
  • Begin learning how to:
    • Monitor and maintain all powerhouse operating equipment.
    • Operate and maintain all rolling stock equipment used in powerhouse.
    • Draw out the fuel system, boiler, ESP ash, instrument, plant air, fire protection, and service water systems; boiler makeup and condensate return water; and 1-line high voltage electrical 60kv supply to 4160v/480v main breakers.
    • Perform the alignment and safe start-up of the boiler, turbine generator, and related equipment.
    • Perform the safe parallel connection to PG&E.
    • Collect and test all water samples and adjust chemical pumps accordingly.
    • Shut down the powerhouse in the case of an emergency.
    • 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, sprinkler sheds and other items as needed.
  • Make nightly rounds in all departments and lock all gates for the entire plant site.
  • Collect all hot work permits and make multiple rounds checking for signs of fire.
  • Assist with boiler grate cleaning.
  • Push fuel, clean up, and assist maintenance personnel as needed.
  • Must pass series of tests related to steam boilers and power generation.
  • Perform additional duties as needed by Powerhouse Operator and supervisor.
  • On-site attendance during scheduled shifts is essential to effectively perform the listed duties and responsibilities.

Position Requirements: Must meet position requirements to be considered a candidate for this position.

  • Must be eighteen (18) years of age or older.
  • Meet company requirements which may include an evaluation of mechanical comprehension.
  • Ability to follow all company, state and federal safety rules when performing required job duties.
  • Ability to pass a pre-employment criminal history check and a pre-employment drug screening.

Environmental Conditions:

May be exposed to dust, noise, trip hazards, and variable temperatures and weather conditions.

Required Personal Protective Equipment:

Individuals must be willing to wear the required Personal Protective Equipment (PPE) at all times. Positions may require additional PPE at specific times. Examples of PPE which may be required include high visibility garments, hand protection, eye protection, hearing protection, a hard hat, foot protection, a face shield, and a respirator.

Shift:  10–12-hour day or night shifts with possibility of scheduled weekends and holidays. Schedule rotates every 12 weeks between days and nights.

Apply