Job Posting End Date:

January 7, 2026

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This posting is for External Candidates only.

Current County of Kaua'i employees, must apply on the Internal Career Site by clicking on this link

Assistant Wastewater Plant Operator I

Salary Range:

N/A4,859.00 USD Monthly

Location:

Department of Public Works Wastewater Division - Lihue

Civil Service or Non Civil Service:

Civil Service

Job Summary:

Receives training and performs as an assistant in a trainee capacity to higher level operators in the operation, maintenance and repair of wastewater plant and tributary pumping plants, equipment, and processes; and performs other related duties as required.

Examples of Duties:

(The following are examples of duties and are not necessarily descriptive of any one position in this class. The omission of specific duties statements does not preclude management from assigning such duties if such duties are a logical assignment for the position).

• Performs daily cleaning, scrubbing, and hosing down of tank walls, wet wells, channels, and weirs;

• Uses portable pumps to vacuum effluent tank;

• Drains and cleans clarifiers, aeration tanks, digesters, centrifuge, chlorine contact tanks and wet wells;

• Operates tractor type mowers to mow lawns;

• Services, installs, and removes mower cutters and adjusts cutting units;

• Trims and sprays herbicide on grasses and weeds along walks, driveways, buildings and planted areas;

• Trims and prunes trees, shrubs, and hedges;

• Sprays plants, flowers, or other infested areas with insecticides;

• Removes grit barrels from compactor site and loads onto trucks;

• Operates truck to deliver to and empties barrels at appropriate destination, replacing barrels;

• Assists operators in operation of plant equipment such as dewatering units, Dissolved Air Floatation(DAF), screen press, grit removers, etc.;

• Opens and closes valves as instructed by operators;

• Takes samples, performs simple chemical tests including but not limited to pH, DO, temperature, settleable solids, SS, TSS, VSS, BOD, chlorine residual;

• Interprets laboratory results;

• Performs general housekeeping work at treatment plant and pumping station such as sweeping and mopping of floors, wiping down of equipment, etc.;

• Assists in checking pump stations;

• Bleeds air from pumps;

• Assists in performing tests of main and sump pumps to ensure proper functioning of equipment; logs equipment running times;

• Cleans level indicators, probes, and seal flush filters;

• Assists in greasing and oiling blowers, motors, etc.;

• Chips and paints equipment and structures;

• Removes and pulverizes dried sludge;

• Cleans and maintains sludge drying and beds; and

• Perform other duties as required.

Minimum Qualifications:

Training and Experience: 

A combination of education and experience substantially equivalent to graduation from high school; and

• one (1) year of general work experience.

Qualifying General Work Experience:

Any work experience which may involve the basic skills: reading, writing, computation and communication.

License Requirement:

Possession of a valid motor vehicle operator’s license (Hawaii type 3 or equivalent).

For additional details about the job and information on minimum qualification substitutions, if any, click here.

Work Shift/ Schedule:

7 days/week operation; shift work (United States of America)

Equal Opportunity Employer

It is the policy of the County of Kauaʻi that there shall be no discrimination in employment pursuant to Title VII of the Civil Rights Act of 1964 as amended, the Rehabilitation Act of 1973, the Americans with Disabilities Act of 1990 as amended, and the Hawaii Revised Statutes Chapters 368 and 378.

Except for bona fide occupational or other legal requirements, no individual employed by the County, or applying for employment with the County, shall be subjected to discrimination on the basis of race, sex, sexual orientation, age, religion, color, ancestry, national origin, disability, marital status, pregnancy or reproductive health decisions, arrest and court record, assignment of child support, national guard participation, Veteran status, credit history, domestic/sexual violence victim status, or any other basis covered by state or federal laws governing non-discrimination