Plant Maintenance Worker

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.

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.

• 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.

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

• 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.

• Techniqu…