Clean Water Starts Here!

Start your rewarding career with the City and County of Honolulu today!

Looking for a workplace where clean water, compliance, and career growth all flow together? The Department of Environmental Services (ENV) is looking for an experienced Wastewater Treatment Plant Operator IV to operate and maintain our wastewater treatment facilities. We currently have one full-time, permanent vacancy located in Honolulu. This role involves monitoring and operating the island-wide wastewater pumping and treatment facilities using the Supervisory Control and Data Acquisition (SCADA) system, following all safety rules and procedures to protect yourself, your coworkers, and the public.

What You'll Do

Monitor and operate the island-wide wastewater pumping and treatment facility SCADA system, making timely decisions and remotely controlling equipment during emergencies or unusual situations.
Ensure pumping and treatment operations comply with Department policies and federal/state mandates through continuous SCADA system oversight.
Provide initial guidance and supervision to wastewater pumping and treatment plant operators during emergency responses and acting in the absence of supervisors as needed.
Maintain communication with supervisors regarding operational changes and identifying equipment needs for maintenance, repairs, and upgrades within the Control Center and SCADA system.
Assist the public during off-hours and emergencies by addressing inquiries and dispatching appropriate personnel to resolve issues promptly.
Perform other related duties as required.

Special Work Requirements

Operating hours are 24/7, with 8-hour rotating shifts, Sunday through Saturday.
Exposure to active machinery, high voltages, toxic and hazardous gases, and unpleasant conditions is expected.
Will serve as a Disaster Response Worker during declared civil defense emergencies.

Apply today to be part of the team that keeps our island’s wastewater systems running safely and efficiently! If you qualify for the position, your name will be eligible for referral to the hiring department for further consideration for the current job opening, as well as future vacancies with this job title.

Applications must be submitted online by August 30, 2025, 11:59 p.m., Hawaii Standard Time (HST) in order to be accepted.

Responsibilities

Some notifications will be sent via e-mail. You are responsible for monitoring instructions and correspondence from this office by checking your email account in a timely manner. To ensure proper delivery, please make sure you:

are subscribed to email notices;
use a valid e-mail account;
verify your e-mail address is entered correctly on your GovernmentJobs account;
check your spam folders; and
add infoneogov@honolulu.gov and info@governmentjobs.com to your contact list.

Notifications may also be sent via text message if opted into the service. Data and text messaging fees apply.

At time of application, you must be a citizen, national or permanent resident alien of the United States or a non-citizen eligible under federal law for unrestricted employment.

Education Requirement

Graduation from high school or equivalent satisfactory to the State Board of Certification of Operating Personnel in Wastewater Plants.

Experience Requirement

Experience and/or training of sufficient scope and quality to competently perform the journey level skills and duties of the position.

Key Competencies And Skills Needed

Knowledge of practices and procedures used in the operation and maintenance of wastewater treatment and pumping plant equipment.
Knowledge of the various types of wastewaters and associated problems and processes.
Knowledge of sampling methods and the physical and chemical tests used in treatment plant control.
Knowledge of hazards and safety practices involved in working around high voltage equipment and moving machinery.
Knowledge of process quality control requirements and remedial measures in dealing with process malfunctions and emergencies.
Ability to operate and maintain electrical pumping units and auxiliary equipment.
Ability to read and interpret meters and gauges, record readings and maintain operating records.
Ability to perform the required laboratory tests and analyzes results; make arithmetical computations.
Ability to act quickly and effectively in emergencies.

License/Certificate Requirement

Possession of the applicable Hawaii Mandatory Wastewater Treatment Plant Operator Certificate.
Current valid driver's license (Type 3 or modified 4) or appropriate commercial driver's license with proper endorsements, as applicable.
Current State Department of Transportation medical examination certificate, as required.

Current Vacancy Requirements

At the time of application:

Current Grade IV Wastewater Treatment Plant Operator Certificate issued by the Board of Certification of Operating Personnel in Wastewater Treatment Facilities,

Verification Requirement: Please attach an electronic copy of your Wastewater Treatment Plant Operator Certificate (Class IV) to your application. Or mail a photocopy of your license by the closing date of the recruitment to the following address: Department of Human Resources, 650 South King Street, 10th Floor, Honolulu, HI 96813. Copies will not be returned. All information on your documentation must be legible and complete in order to be given credit.

Note: Applicants with an out-of-state Class IV Wastewater Treatment Plant Operator Certificate must obtain the Hawaii certificate prior to appointment.

Training And Experience Evaluation

In addition to meeting the above minimum qualifications, your application will be further evaluated. Your score will be based on the quality and quantity of your training, experience and/or other related job requirements and competencies applicable to the position. Failure to provide sufficient information may result in your application being rejected or your receiving a lower score.

Examination Weight

Training and Experience Evaluation...................100%

City and County of Honolulu

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