Demo

Assistant Wastewater Treatment Plant Operator - BC-08

County of Hawai`i
Kona, HI Full Time | Temporary
POSTED ON 9/14/2026
AVAILABLE BEFORE 9/22/2026
Assists and/or participates in the operation, maintenance, and repair of various wastewater treatment plants; receives training in and performs progressively difficult tasks for developmental purposes and to prepare for eventual operator certification; and performs other related duties as required.

There are five (5) immediate vacancies with the Department of Environmental Management - Wastewater Division:
  • three (3) permanent full-time vacancies in Hilo
  • two (2) permanent full-time vacancies in Kailua-Kona

The eligible list may be used for other permanent and temporary vacancies as they arise during the life of the list. Temporary appointment may lead to conversion to permanent appointment.

Special Working Condition:  Exposure to hazardous, filthy, and obnoxious conditions; may also be subject to shift, weekend, and holiday work as required. Applicants must be available for stand-by duty and be available for immediate response in case of emergency.
  • Assists and/or participates in operating and maintaining various wastewater treatment plant processes and equipment to assure safe and efficient operation.
  • Assists and/or participates in controlling and regulating the flow, processing, and treatment of wastewater, air, and sludge between the unit processes of the plant.
  • Opens and closes valves as directed; monitors various gauges and instruments and records and interprets readings.
  • Collects individual and composite samples of wastewater and sludge from the various unit processes and assists and/or participates in performing chemical and physical analyses thereof.
  • Makes process adjustments accordingly.
  • Operates and maintains sludge digestion systems, dewatering equipment, drying beds, pulverizers, and chemical feed systems.
  • Cleans settling tanks, clarifiers, digesters, etc.
  • Assists and/or participates in making periodic visits to tributary wastewater pumping plants.
  • Controls and regulates the flow of wastewater to and from pumping plants.
  • Inspects equipment for irregularities and makes necessary adjustments.
  • Lubricates and changes oil in equipment and machinery as required.
  • Makes running repairs to equipment such as packing pumps and valves, changing bail valves and seats on plunger pumps, removing obstructions from pumps, pipes, and valves, etc.
  • Assists with more difficult repairs.
  • Participates in maintaining operational records and stations logs.
  • Attends orientation and training sessions and receives instruction in the technical aspects of wastewater treatment and pumping plant operations.
  • Learns and becomes familiar with new methods, equipment, and processes relating to wastewater treatment and disposal.
  • May perform shift work individually under direction or guidance of the operator-in-charge for training and continual on-the-job development.
  • Operates a motor vehicle to transport personnel, equipment, and materials.

Training and Experience: 
A combination of education and experience substantially equivalent to:

  • graduation from high school, with
  • some mechanical or electrical work experience.
License/Certificate Requirements:
  • possession of a valid State of Hawai‘i driver's license (Class 3) or any other valid comparable driver’s license at time of filing, (You will be required to submit your valid driver's license at time of hire.), and
  • a current traffic abstract verifying no DUI convictions for three (3) years preceding and no moving violations for one (1) year preceding. A current traffic abstract is valid for 30 days from date of issuance by the district court. (You will be required to submit your current traffic abstract at time of job interview.)
Notes:
  • a current Department of Transportation Medical Examiner's Certificate is required prior to appointment, and
  • as applicable to the position, a valid State of Hawai'i Driver License (Class 4, non-CDL)  is required prior to completion of probation. (The immediate vacancies with the Department of Environmental Management do not require a valid State of Hawai'i Driver License (Class 4, non-CDL) driver's license prior to completion of probation.)

Examination:   All applicants who meet the minimum qualification requirements will be assigned a score of 70 points.  An education and experience evaluation will be conducted based on the applicant's training, education and experience as presented in the application.

Please read the minimum qualification requirements carefully.  Be certain to list all pertinent training and experience, as this may be important in determining your examination score.  It is essential that the applicant describe fully the duties and responsibilities of each position held, specify the date of each position held (from and to, month and year), and indicate the number of hours worked per week.   

Attach all required documentation (e.g. official transcript, professional license(s)/certification(s), DD-214, etc.) at the time of submitting your application. 

Note:   In-person interviews and/or further testing in Hawai'i County may be required at the discretion of the hiring department/agency.  If in-person interviews and/or further testing are required, applicants who are referred to the hiring department/agency must be available to participate in person and at their own expense at that phase of the selection process.

Knowledge of:  practices and procedures used in the operation and maintenance of common plant equipment such as pumps, valves, motors, and blowers;  safety practices involved in working around high voltage equipment and moving machinery;  basic arithmetic;  and uses of basic mechanical hand tools.

Ability to:  operate and maintain electrical pumping units and auxiliary equipment common to industrial-type plants;  open and close valves as directed;  read meters and gauges, record readings, and maintain operating records;  make necessary arithmetical computations;  read and comprehend written materials;  learn technical and specialized processes pertinent to wastewater treatment plant work, including required laboratory analyses;  use common hand tools;  work with dexterity and safety;   understand and follow oral and written instructions;  work harmoniously with others;  handle weights and loads.

Physical Requirements:  Persons seeking appointment to positions in this class must meet the health and physical condition standards deemed necessary and proper to perform the essential functions of the position with or without reasonable accommodations.

Physical Effort Grouping:  Heavy

Benefits of County employmentThe County of Hawai‘i offers a competitive compensation package.  Your total compensation is comprised of your salary and a generous range of valuable benefits, subject to eligibility requirements.

  • Flexible Working Arrangements:  Options may include alternate work schedules (4-10) and flexible working hours.   (Not all Departments/Agencies participate and not all positions are eligible.)    
  • Vacation:   Start accruing paid vacation time immediately upon hire – up to 21 days per year.
  • Sick Leave:  Start accruing paid sick leave time immediately upon hire – up to 21 days per year.
  • Holidays:   The County provides 13 paid holidays per year (plus General Election Day when applicable).
  • Training and Development:  The County has a variety of training and development opportunities for employees.   
  • County Tuition Reimbursement Program: This scholarship program rewards employees who take the initiative to advance their education and learning.
  • Public Service Loan Forgiveness (PSLF) Program:  You may be eligible for this federal program which forgives portions of federal student loans for individuals working in public service.  
  • Retirement Plan:  The Employees’ Retirement System is a qualified defined benefit public pension plan that provides retirement, disability, survivor and other benefits to all eligible full-time and part-time county employees in the State of Hawaii as well as their beneficiaries.
  • Deferred Compensation:  Save additional money for retirement - this voluntary supplemental retirement savings plan allows for the investment of tax-deferred contributions.
  • Flexible Spending Plan:  Use pre-tax dollars to pay for qualified dependent care and/or medical expenses, as well as insurance premiums.
  • Health Benefit Plans:  The County of Hawai‘i offers a variety of health benefit plans for eligible employees.
  • Employee Assistance Program (EAP):  This voluntary assistance program provides employees and their family members with free professional and confidential assistance in overcoming personal and work-related problems.
  • Group Life Insurance:  Free life insurance policy for active employees.  
  • Credit Union Membership
  • Other Leaves:  You may be eligible for other leaves, including Family Leave, Funeral Leave, Leave Sharing, Military Leave, Donor Leave, Victims Protection Leave, as well as leave for Parent-Teacher Conferences, Disaster Relief, Blood Bank Donations, and Jury Duty.

All benefits are subject to eligibility requirements and change due to legislative actions and/or changes negotiated through collective bargaining.  Please check out the benefits tab for additional information.

Please scan and attach these supporting documents to your on-line application, if required:

  • an official college transcript,
  • a valid driver's license,
  • a temporary assignment verification, 
  • professional licenses, and/or
  • certificates.

Veterans applying for veteran's preference points shall also scan and attach their DD-214 form and as needed, their VA claim letter to the on-line application.

ELECTRONIC NOTIFICATION TO APPLICANTS:
Please ensure that the email address and mobile phone number you provide is current, secure, and readily accessible to you.  We will not be responsible in any way if you do not receive our emails and text messages or fail to check your email box or NEOGOV account INBOX in a timely manner.  Checking your NEOGOV account INBOX daily is recommended and is the most secure method to check on notices sent to you.  This is a new feature created by our vendor, NEOGOV. 
 
Please add info@governmentjobs.com to your contact list.  Open your NEOGOV account using your user name and password.  In the upper right hand corner of the account is your name, and under your name, click on INBOX to view all notices sent you.   The notices will appear here in the INBOX even in the event you don't receive it on your cell phone, computer, or other electronic device.  This is the best way to check and view all notices sent to you.

You will receive a confirmation email upon successfully submitting your application. Failure to receive this confirmation email, indicates that your application was not submitted.

APPLICATIONS MUST BE FILED ONLINE AT:
https://www.governmentjobs.com/careers/countyhawaii
 
E-mail: jobs@hawaiicounty.gov 

Salary.com Estimation for Assistant Wastewater Treatment Plant Operator - BC-08 in Kona, HI
$41,183 to $60,004
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Assistant Wastewater Treatment Plant Operator - BC-08?

Sign up to receive alerts about other jobs on the Assistant Wastewater Treatment Plant Operator - BC-08 career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$38,761 - $56,814
Income Estimation: 
$50,084 - $69,688
Income Estimation: 
$50,084 - $69,688
Income Estimation: 
$54,660 - $73,879
Income Estimation: 
$50,084 - $69,688
Income Estimation: 
$54,660 - $73,879
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at County of Hawai`i

  • County of Hawai`i Hilo, HI
  • Conducts investigations of the most complex, confidential, and diverse civil/criminal cases being considered and/or readied for court action and prosecutio... more
  • 9 Days Ago

  • County of Hawai`i Hilo, HI
  • Inspects and assess uses, sites, buildings, and structures for compliance with State and County land use laws, ordinances, rules, and permits; issues citat... more
  • 9 Days Ago

  • County of Hawai`i Hilo, HI
  • Performs County-wide grant tracking; manages and maintains the County’s grant-source database; administers County grant programs; conducts studies; prepare... more
  • 9 Days Ago

  • County of Hawai`i Hilo, HI
  • Plans, directs, and coordinates the installation, maintenance, and operation of all wastewater collection, treatment, and disposal systems in a major geogr... more
  • 10 Days Ago


Not the job you're looking for? Here are some other Assistant Wastewater Treatment Plant Operator - BC-08 jobs in the Kona, HI area that may be a better fit.

  • Wastewater and Pump Specialties of Kona Kailua, HI
  • About Wastewater and Pump Specialties of Kona : Founded in 2003, serving the Big Island with quality service in wastewater treatment. Job Responsibilities:... more
  • 12 Days Ago

  • BC Restaurant Operator Inc Honolulu, HI
  • Position Purpose This position will provide the highest quality to service to our guests. Job duties include, but are not limited to: Assisting servers wit... more
  • 9 Days Ago

AI Assistant is available now!

Feel free to start your new journey!