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System Operator Trainee Jobs in California (NOW HIRING)

Reactor Operator Trainee Roseville, CA / On-Site 2nd Shift: 2:00p - 10:30p, Monday- Friday Rate of ... Experience using process control systems or production equipment. * Forklift certification or ...

Process Operator Trainee PBF Energy Inc. (NYSE:PBF) is one of the largest independent refiners in ... Operates a variety of equipment such as pumps, compressors, valves and control systems.

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System Operator Trainee information

What is a system operator trainee?

System operator trainees are entry-level professionals who are undergoing training to manage and monitor the operations of systems such as electrical power grids, water treatment plants, or other critical infrastructure. They work under the supervision of experienced operators, learning how to ensure the safe, efficient, and reliable operation of these systems. Their responsibilities typically include observing control panels, responding to alarms, recording data, and assisting with routine maintenance. The goal of the training is to prepare them for full operator roles by providing both hands-on experience and classroom instruction.

What are some common challenges faced by system operator trainees in their first year on the job?

As a System Operator Trainee, one of the main challenges is mastering complex monitoring systems and learning to respond quickly and accurately to real-time changes in the power grid. Trainees must also adapt to rotating shift schedules, which can impact work-life balance. Collaborating with experienced operators and staying updated on protocols is key, as the role involves both independent decision-making and close teamwork under pressure. Building confidence in handling emergency scenarios and communicating effectively with field crews are also essential skills developed during the first year.

What are the key skills and qualifications needed to thrive as a system operator trainee, and why are they important?

To thrive as a System Operator Trainee, you need a solid understanding of electrical systems, power grid fundamentals, and typically an associate’s degree in electrical engineering technology or a related field. Familiarity with SCADA systems, energy management software, and NERC certification is often required or preferred. Strong attention to detail, problem-solving abilities, and effective communication skills help trainees excel in high-pressure, team-oriented environments. These competencies are crucial for maintaining grid reliability, ensuring safety, and responding rapidly to system disturbances.

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

AspectSystem Operator TraineePower Plant Operator
Required CredentialsHigh school diploma or equivalent; technical trainingHigh school diploma; technical training or certification
Work EnvironmentControl rooms, training facilitiesPower plant facilities, control rooms
Employer & Industry UsageUtilities, energy companies, training programsPower generation plants, energy sector
Common Search & ComparisonYesYes

The main difference is that a System Operator Trainee is in a training phase, learning to monitor and control systems, while a Power Plant Operator is a fully qualified professional responsible for operating power plant equipment. The trainee role focuses on gaining experience, whereas the power plant operator role involves hands-on operational duties.

What does a system operator do?

A system operator monitors and controls industrial, electrical, or computer systems to ensure they run efficiently and safely. They troubleshoot issues, perform routine maintenance, and may use specialized software or equipment to manage system operations, often working in shifts or 24/7 environments.

What are the most commonly searched types of System Operator jobs in California?

The most popular types of System Operator jobs in California are:

What are popular job titles related to System Operator Trainee jobs in California?

For System Operator Trainee jobs in California, the most frequently searched job titles are:

What cities in California are hiring for System Operator Trainee jobs?

Cities in California with the most System Operator Trainee job openings:

Infographic showing various System Operator Trainee job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Reactor Operator Trainee

H.B Fuller

Roseville, CA • On-site

$26/hr

Full-time

Medical, Retirement, PTO

Posted 11 days ago


Job description

As the largest pureplay adhesives company in the world, H.B. Fuller's (NYSE: FUL) innovative, functional coatings, adhesives and sealants enhance the quality, safety and performance of products people use every day. Founded in 1887, with 2025 revenue of $3.5 billion, our mission to Connect What Matters is brought to life by more than 7,100 global team members who collaborate with customers across more than 30 market segments in 150 countries to develop highly specified solutions that enable customers to bring world-changing innovations to their end markets. Learn more at www.hbfuller.com.


Reactor Operator Trainee

Roseville, CA / On-Site

2nd Shift: 2:00p - 10:30p, Monday- Friday

Rate of Pay: $26.00/hr

H.B. Fuller is seeking a Reactor Operator Trainee to support the safe and efficient production of chemical products in a manufacturing environment. This role involves operating and monitoring processing equipment, following established procedures, and maintaining quality standards. The trainee will complete hands-on training while contributing to daily production goals and workplace safety.

Primary Responsibilities
  • Operate reactors and related production equipment following standard procedures.
  • Monitor process parameters and record production data accurately.
  • Perform material charging, sampling, and product transfers.
  • Conduct routine equipment inspections and basic housekeeping.
  • Follow safety, environmental, and quality requirements.
  • Identify and report equipment, process, or safety concerns.
  • Support inventory and raw material handling activities.
  • Participate in training programs and continuous improvement initiatives.
Minimum Requirements
  • High school diploma or equivalent.
  • Ability to read, understand, and follow written work instructions.
  • Basic math and computer skills for data entry and recordkeeping.
  • Ability to lift up to 50 pounds and work in a manufacturing environment.
  • Authorization to work in the United States without current or future sponsorship.
Preferred Requirements
  • Associate degree or technical coursework in manufacturing, chemical processing, or a related field.
  • Previous experience in a manufacturing, production, or chemical processing environment.
  • Experience using process control systems or production equipment.
  • Forklift certification or ability to obtain certification after hire.

Pay is based on several factors including but not limited to education, work experience, certifications, and geographic location.

The salary for this role is $26.00.

In addition to your salary, H.B. Fuller offers employees a competitive total rewards package including comprehensive benefits, incentive and recognitions programs, health & wellness benefits, 401K contributions, paid time off and paid holidays. Eligibility may vary.


H.B. Fuller is an Equal Employment Opportunity employer and proud to have created a collaborative culture where employees around the world are seen, heard, and respected. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity or expression, national origin, disability, or marital status or status as a protected veteran, or any other legally protected classification.


H.B. Fuller does not accept unsolicited resumes from recruiters, employment agencies, or staffing firms. To conduct business with H.B. Fuller, a written service agreement must be executed by Human Resources prior to submitting any information relating to a potential candidate. Without a signed service agreement, H.B. Fuller shall not be obligated for payment of any fee or compensation.