PLANT MAINTENANCE WORKER

Salary : $54,571.62 - $66,343.78 Annually
Location : City of Stockton, CA
Job Type: Full-Time (Probationary)
Job Number: 0926-07964
Department: Municipal Utilities
Opening Date: 08/30/2026
Closing Date: 9/8/2026 5:30 PM Pacific


DEFINITION

OPEN/PROMOTIONAL RECRUITMENT

FLSA Status: Non-Exempt

Tentative Examination Date: Week of September 20, 2026 (Candidates must appear in person for the examination.)
The City of Stockton is seeking to fill a Plant Maintenance Worker positions in the Municipal Utilities Department. Incumbents perform a variety of mechanical installation, repair, maintenance, and modification work at either the wastewater or treatment plant and related pumping station facilities; and performs related work as assigned. Incumbents will work a 9/80 schedule: Monday - Thursday 7:00am-4:30pm and Fridays 7:00am-3:30pm with alternating Fridays off.

Incumbents in this position are included in the Civil Service System in a "for cause" employment status, and are represented by the Operations and Maintenance Bargaining Unit. This recruitment is being conducted as an Open/Promotional recruitment. Current full-time regular status at time of application City of Stockton employees may apply for this position as a promotional opportunity and successful candidates will be placed on a promotional list. All other candidates may apply for this position as an open competitive opportunity and successful candidates will be placed on an open list. The appointing authority will have the option of requesting names from the promotional list or a combination of both.


Prior to appointment, eligible candidates may be required to pass a medical evaluation exam and submit to and successfully pass a background investigation, which will include fingerprinting.

Plant Maintenance Worker is a single position entry-level classification in the Municipal Utilities Department. Initially under close supervision, incumbents learn and perform a variety of maintenance and general labor. This class is distinguished from the Plant Maintenance Mechanic in that the later is a journey-level classification fully competent to perform a wide range of mechanical maintenance duties at the treatment plant and related facilities.
Veteran's Preference: This position is eligible to receive Veteran's Preference Points for entrance into the Civil Service. Veteran's Preference will not be granted on the promotional list. If you believe you may qualify for Veteran's Preference, a DD-214 Member 4 copy indicating at least 181 consecutive days of service must be received in the Human Resources office (see supplemental questionnaire for details in submitting DD-214 copy) by the final filing date.

CLASS CHARACTERISTICS
Under general supervision, performs a variety of unskilled or semi-skilled tasks in the operations and maintenance of water distribution and treatment systems, and wastewater collection and treatment systems; operates trucks, and a variety of hand and power tools and equipment; performs related work as assigned.

PRINCIPAL DUTIES (Illustrative Only)

• Cleans vehicles, heavy equipment, bar-screens, comminutors, weirs, drying beds, digesters, pumps, tools, and other stationary and portable equipment;
• Performs routine inspection of vehicles and equipment; performs minor maintenance and lubrication of machinery such as changing oil and greasing equipment;
• Maintains grounds and buildings; cuts grass, weeds and brush; trims trees and bushes; rakes grass, leaves and trash; seeds and cares for lawns and ornamental plantings;
• Operates and maintains vehicles, equipment and tools required to load, unload, haul, and spread sand, gravel, dirt and/or waste products (sludge, product waste, packaging waste, etc.); digs and refills ditches and trenches;
• Carries or holds materials, supplies, and tools to assist operations and maintenance personnel;
• Maintains records to accurately reflect pump station and equipment operation, operational data, and work performed by private contractors.

QUALIFICATIONS
Education/Experience

Possession of a high school diploma or GED and six months of work experience as a laborer in construction or maintenance work.

Other Requirements
Licenses and Certifications:

• Must possess a valid California driver's license.
• Must obtain and maintain a valid California Boater Card within the first 90 days of employment as a required condition of continued employment with the City of Stockton.
• Must obtain and maintain valid First Aid and CPR certifications within the first 90 days of employment as a required condition of continued employment with the City of Stockton.
• In accordance with California Government Code section 3100, et., seq., all City of Stockton employees are considered disaster service workers who may be required to report for duty, or remain on duty to address disaster service activities in the event of an emergency or disaster and are required to undertake an applicable loyalty oath.

Knowledge of:

• Techniques, materials, tools and equipment used in plant maintenance;
• Operation and maintenance of a wide variety of hand and power tools and equipment common to the field; Safe work methods and safety regulations pertaining to the work;
• Modern office practices, methods, and computer equipment including relevant software programs;
• Oral and written communication skills; business English including vocabulary, spelling, and correct grammatical usage and punctuation;
• Safe work practices; and
• Principles and practices of excellent customer service.

Skill in:

• Operating and maintaining a variety of hand and power tools and equipment used in the work;
• Performing heavy physical labor;
• Exercising independent judgment and initiative without close supervision;
• Understanding and carrying out oral and written instructions and prioritize workload to meet deadlines;
• Reading, writing and comprehending the English language at a level necessary for effective job performance exercising correct English usage, vocabulary, spelling, grammar and punctuation;
• Communicating effectively, tactfully and positively in both oral and written form;
• Operating and using modern office equipment and technology, including computers and applicable software;
• Utilizing appropriate safety procedures and practices for assigned duties;
• Establishing and maintaining effective working relationships with those contacted in the course of work; and
• Contributing effectively to the accomplishments of City goals, objectives and activities.

BARGAINING UNIT:
OPERATIONS AND MAINTENANCE UNIT - MUNICIPAL UTILITIES DEPARTMENT
NOTE: Employee Benefits are subject to change through the collective bargaining process and are not guaranteed. For a detailed explanation of benefits currently in effect,
01


The Supplemental Questionnaire is part of the examination process; accordingly, it should be completed carefully. It must be submitted with your official employment application. Do not indicate "see resume" as an answer to any of these questions.

• I certify that the information provided is accurate and complete to the best of my knowledge and understand that falsification may cancel any terms, conditions, or privileges of employment.

02


Questions #3 through #10 require a "Yes" or "No" response. Please note a "No" response may result in the rejection of your application. I understand and agree with the above statement.

• Yes
• No

03



License:
Do you possess, or are able to obtain prior to appointment, a valid California Class "C" driver's license?

• Yes
• No

04



Education:
Do you possess a high school diploma or GED?

• Yes
• No

05


Incumbents in this position must possess sufficient strength to lift objects weighing up to 100 pounds and will be required to submit to and successfully pass a back evaluation and drug screen by a City Physician.

• Yes
• No

06


Must be willing to work out of doors in all weather conditions, to work with exposure to traffic, and to work overtime and off hours shifts in emergency situations. Do you understand and meet this requirement?

• Yes
• No

07


This position requires incumbents to be willing to work with exposure to potentially hazardous substances and to work underground in confined spaces. Do you understand and meet this requirement?

• Yes
• No

08


This position requires incumbents in this position to be willing to work overtime and respond to emergency call backs. Do you understand and meet this requirement?

• Yes
• No

09


This position requires incumbents to be able to work above ground at heights, and to work off of ladders, scaffolding, and man ways and man baskets. Do you understand and meet this requirement?

• Yes
• No

10


This position requires incumbents to be able to work in a confined space. Do you understand and meet this requirement?

• Yes
• No

11


The City of Stockton requires employees in this position to reasonably respond to emergencies at all times. Employees will be required to maintain primary residence within 45 minutes of City Hall in order to timely respond to emergencies and meet the health, safety, and welfare needs of the City. New employees have up to three (3) months from date of hire to comply with the requirement. Any interested candidates must be willing to adhere to this requirement throughout the duration of employment.

• I understand and agree to this requirement

12


Applicants who have served on active duty in any branch of the United States Armed Forces, including the National Guard and United States Coast Guard, for at least 181 consecutive days and have been honorable discharged, may receive Veteran's Preference Points.
To be considered for Veteran's Preference Points, you must provide a copy of your DD-214, member 4 form, indicating the duration and character of service.
This document must be submitted by the final filing deadline .
Please indicate which method you will use to submit your DD-214, member 4 form:

• Scan and attach to online application (preferred method)
• Email to View email address on click.appcast.io (Include Materials Specialist DD-214 in the subject one of your email.)
• I do not wish to apply for Veteran's Preference Points

Required Question