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System Operator Trainee Jobs in California (NOW HIRING)

$20 - $25/hr

... House Attendant / Operator Trainee to join our team in Calistoga, CA! This is a full time, ... Track weight information from scale to computer system and get appropriate signatures.

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System Operator Trainee information

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 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 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 are system operator trainees?

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 the most commonly searched types of System Operator jobs in California? The most popular types of System Operator jobs in California are:
What job categories do people searching System Operator Trainee jobs in California look for? The top searched job categories for System Operator Trainee jobs in California 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 July 2026, with employment types broken down into 48% Full Time, 49% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Water Distribution Operator Trainee/I/II/III (Ventura Water)

Cityofventura

Ventura, CA • On-site

$42.89/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

Applications are accepted exclusively through the City of Ventura Career Site:
www.cityofventura.ca.gov/jobs. Submissions through other websites or methods will not be accepted.

Applications and supplemental questions will be accepted until Monday, June 29, 2026, at 11:59 p.m.

Pay & Benefits

  • Water Distribution Operator Trainee - $28.19 - $34.27 Hourly DOQ

  • Water Distribution Operator I - $31.30 - $38.05 Hourly DOQ

  • Water Distribution Operator II - $33.57 - $40.80 Hourly DOQ

  • Water Distribution Operator III - $35.28 - $42.89 Hourly DOQ

  • Benefits

    • Medical Insurance (HMO, PPO options)

    • City Paid Dental and Vision Insurance

    • Life Insurance

    • Vacation & Holiday Compensation

    • Deferred Compensation

    • CalPERS Retirement

    • Wellness Program (access to gym facility and fitness classes)

    • Tuition Reimbursement & Bilingual Pay

About the Opportunity

The City of Ventura Water Department is hiring a Water Distribution Operator Trainee I/II/III. There is currently one vacancy that the City is looking to fill immediately.

This position performs a variety of duties related to installing, maintaining, repairing, and replacing water mains and service connections. Working as part of a crew, incumbents assist with repairing leaks in mains, lines, and valves, maintaining and replacing fire hydrants, performing excavation and maintenance activities using hand and pneumatic tools, operating motorized and mechanized equipment, repairing gate valves, chlorinating pipelines, testing hydraulic systems, and maintaining related water system facilities. Duties also include maintaining water infrastructure, caring for tools and equipment, and helping ensure the reliable operation of the City's water distribution system.

Positions are flexibly staffed through the Water Distribution Operator Trainee/ I/II/III levels and may be filled at any level, depending on the certifications, qualifications, experience, and demonstrated skills of the incumbent, as well as the staffing needs of the City.

Minimum Qualifications - Required

Water Distribution Operator Trainee: A combination of education, training, and/or experience equivalent to one year as a Maintenance Worker I.

Water Distribution Operator I: A combination of education, training and/or experience equivalent to 18 months of related maintenance experience or one year of experience as a Water Distribution Operator Trainee, and possession of a valid California Water Resources Control Board Grade D1 Water Distribution Operator certificate. Formal training in the following areas is highly desirable: confined space hazard prevention, asbestos safe handling and disposal, traffic safety control and flagging.

Water Distribution Operator II: A combination of education, training and/or experience equivalent to 18 months of related maintenance experience or one year of experience as a Water Distribution Operator I, and possession of a valid California Water Resources Control Board Grade D2 Water Distribution Operator certificate. Formal training in the following areas is highly desirable: confined space hazard prevention, asbestos safe handling and disposal, traffic safety control and flagging.

Water Distribution Operator III: Possession of a valid California Water Resources Control Board Grade D3 Water Distribution Operator certificate. Formal training in the following areas is highly desirable: confined space hazard prevention, asbestos safe handling and disposal, traffic safety control and flagging.

Incumbent may be required to work stand-by on rotational basis and report to work on a callback basis as needed within a designated time frame. Standby assignment is at the discretion of the Division Head.

LICENSE/CERTIFICATES

Certificates:

Water Distribution Operator Trainee: This is the entry-level class in the flexibly staffed Water Distribution Operator series. No certification required.

Water Distribution Operator I: Possession of a valid California Water Resources Control Board Grade D1 Water Distribution Operator certificate.
Water Distribution Operator II: Possession of a valid California Water Resources Control Board Grade D2 Water Distribution Operator certificate.
Water Distribution Operator III: Possession of a valid California Water Resources Control Board Grade D3 Water Distribution Operator certificate.

License:

Possession of a valid California Class C driver's license is required. Within 6 months of employment, incumbent is required to obtain and, thereafter, maintain a valid California Class A license with Auto Transmission and Air Brakes Restrictions - No Endorsement. (Department of Transportation (DOT), drug testing is required.)
A pre-employment medical examination and background check are required before an appointment is made.

About Ventura Water

Ventura Water provides drinking water to more than 109,000 people through approximately 32,000 water service connections. This complex water system has more than 391 miles of pipeline, 3 water treatment plants, 23 pump stations and 31 reservoirs. Our community relies on three 100% local water sources - the Ventura River, Lake Casitas, and local groundwater wells, as well as, providing reclaimed water from the Ventura Water Reclamation Facility to two municipal golf courses, the Ventura Marina area, and private customers for landscape irrigation. We maintain a full-service laboratory and monitor our water quality daily.

For more information about Ventura Water, visithttps://www.cityofventura.ca.gov/2268/Ventura-Water.

How to Apply

Submit an online City job application and supplemental questionnaire by the filing deadline atwww.cityofventura.ca.gov/jobs.

  • It is important that your city job application show all the relevant education, training, and experience you possess. Resumes, CVs, and cover letters may be attached to your application but will not be accepted in lieu of a completed job application or supplemental questionnaire. Submitting an incomplete application or supplemental questionnaire may disqualify you from further consideration in the recruitment process.

  • After you apply, all future correspondence from the city will be via E-Mail. Please check your messages regularly and keep your contact information up to date using your on-line application.

Selection Process

  • All applications and supplemental questionnaires submitted will be screened in relation to the criteria outlined in this job announcement. Candidates will be reviewed, and only those candidates determined to be most qualified based on experience, training, and education, as submitted, will be invited to participate further in the selection process. Candidates will be notified about their status after the filing deadline.

  • Those candidates whose qualifications most closely match the requirements of the position will be invited to a qualifying panel interview process. Candidates will be notified of specifics after the examination process has been completed. Initial panel interviews may be conducted in-person or via video teleconference. Candidates will be notified of specifics at the appropriate time.

The Eligibility List established for this classification may be used to fill other regular and temporary vacancies at the discretion of the City.

THE SCHEDULE

The timeline dates are subject to change. Candidates will be notified as necessary.

  • Monday, June 29, 2026, at 11:59 p.m. - Application Deadline. Applications and supplemental questionnaires must be submitted by this date to be considered for the position.

  • Week of July 6, 2026 - Candidates will be notified by email of their status by this date.

  • Week of July 13, 2026 - Oral Panel Interviews are tentatively scheduled for this date. Qualifying candidates will be notified by email or phone if they are invited to the panel interview process.

  • Department Selection Interviews will be scheduled promptly after the oral panel interviews have been completed. Qualifying candidates will be notified by email if they are invited to the panel interview process.

  • July 2026 - Candidates will be notified of the outcome of the interview by this date.

Additional Information

For additional information on the duties and responsibilities of the position, refer to the job descriptions located on the City's Career Page at City of Ventura Jobs or by viewing here Water Distribution Operator Trainee/I/II/III.

To learn more about the City's hiring process, visit the City of Ventura Hiring Process page.

Questions? Contact the Recruitment Team:

recruitment@cityofventura.ca.gov

(805) 654-7802

In compliance with the Americans with Disabilities Act (ADA), if you need an accommodation in a selection process, please notify the Human Resources Department in writing by the final filing date of the position you are interested in. The Human Resources address is: 501 Poli Street, Room 210, Ventura, CA 93001, (805) 654-7853, e-mail: recruitment@cityofventura.ca.gov.

The City is an equal opportunity employer and strives to attract qualified applicants from all walks of life without regard to race, color, ethnicity, religion, national origin, age, sex, sexual orientation, gender identity, gender expression, marital status, ancestry, physical disability, mental disability, medical condition, genetic information, military and veteran status, or any other status protected under federal, state and/or local law. We aim to create an environment that celebrates and embraces the diversity of our workforce. We welcome you to join our team!