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Plant Operator Jobs in Hawaii (NOW HIRING)

Is assigned operational maintenance work at the diesel plant. * May perform in relief capacity, standing watch as Senior Operator Helper when qualified. * Keeps equipment and work area clean.

The Plant General Manager reports to the Chief Operating Officer and has full responsibility for one of Kalera's state-of-the-art controlled agriculture growing facilities. Summary: The Plant Manager ...

The Plant General Manager reports to the Chief Operating Officer and has full responsibility for one of Kalera's state-of-the-art controlled agriculture growing facilities. Summary: The Plant Manager ...

The Assistant Plant General Manager reports to the Plant General Manager and has responsibility to ... operating and producing product that meets food safety and quality standards • Enforce strict ...

The Assistant Plant General Manager reports to the Plant General Manager and has responsibility to ... operating and producing product that meets food safety and quality standards Enforce strict Good ...

Utility Operator (WWTP)

Kailua Kona, HI · On-site

$29.10 - $34.87/hr

Join our team as a WWTP Operator and help operate and maintain systems that safely treat wastewater ... Read and record plant data from meters, gauges, and control systems * Regulate the flow of ...

Showing results 21-40

Plant Operator information

See Hawaii salary details

$14

$23

$41

How much do plant operator jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for plant operator in Hawaii is $23.24, according to ZipRecruiter salary data. Most workers in this role earn between $16.97 and $26.20 per hour, depending on experience, location, and employer.

What is a plant operator?

Plant operators are professionals responsible for controlling and overseeing industrial machinery and equipment in facilities such as power plants, water treatment plants, or manufacturing sites. Their main duties include monitoring systems, maintaining equipment, troubleshooting issues, and ensuring that operations run smoothly and safely. Plant operators must follow strict safety protocols, respond to emergencies, and perform routine inspections to keep the plant functioning efficiently. They often work in shifts and may be required to handle complex technical systems. This role typically requires technical training and a strong attention to detail.

What are the key skills and qualifications needed to thrive as a plant operator, and why are they important?

To thrive as a Plant Operator, you need a solid understanding of mechanical systems, process control, and safety protocols, often supported by a high school diploma or technical certification. Familiarity with control panels, SCADA systems, and maintenance tools is typically required. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for ensuring smooth operations and responding quickly to issues. These skills are vital for maintaining operational efficiency, safety, and compliance in industrial plant environments.

What does a plant operator do?

A plant operator oversees the day-to-day operations of an industrial plant. As a plant operator, you operate different types of machinery and equipment from a control room. You might specialize in a specific type of machinery and work on one part of the process, or you might be a generalist who works on different machines in all parts of the process. Plant operators work in many industries such as the oil and gas industry, manufacturing, utilities and power plants.

What are some common challenges faced by plant operators, and how can they be effectively managed?

Plant Operators often encounter challenges such as unexpected equipment malfunctions, maintaining safety protocols, and adapting to variable production demands. Managing these challenges typically involves staying vigilant during routine inspections, promptly reporting and addressing anomalies, and collaborating closely with maintenance teams. Continuous training on updated safety procedures and clear communication with supervisors and co-workers are also crucial for effective problem-solving and ensuring smooth plant operations.

What is the difference between Plant Operator vs Equipment Operator?

AspectPlant OperatorEquipment Operator
CredentialsTypically requires a certification or license specific to plant operationsOften requires a commercial driver's license (CDL) or equipment-specific training
Work EnvironmentOperates machinery within industrial plants, power plants, or manufacturing facilitiesOperates heavy machinery outdoors, such as bulldozers, cranes, or forklifts
Industry UsageCommon in energy, manufacturing, and utility industriesCommon in construction, mining, and logistics industries

While both roles involve operating machinery, Plant Operators focus on managing and controlling plant systems within industrial facilities, often requiring specialized certifications. Equipment Operators typically handle heavy machinery outdoors, with a focus on construction or transportation tasks. Understanding these differences helps job seekers target the right roles based on their skills and certifications.

How much do plant operators make?

Plant operators in Florida typically earn an average annual salary of around $50,000 to $70,000, depending on experience, certifications, and the specific industry. Entry-level positions may start lower, while experienced operators with specialized skills can earn higher wages, often working shifts that include nights and weekends.

Is a plant operator a good career?

A plant operator is a skilled tradesperson responsible for operating and maintaining industrial equipment in facilities such as power plants, manufacturing plants, or water treatment facilities. The role offers stable employment, requires technical training or certifications, and often involves shift work in a safety-conscious environment. It can be a good career for those interested in technical work and industrial processes.

What are the most commonly searched types of Plant Operator jobs in Hawaii?

The most popular types of Plant Operator jobs in Hawaii are:

What are popular job titles related to Plant Operator jobs in Hawaii?

For Plant Operator jobs in Hawaii, the most frequently searched job titles are:

What job categories do people searching Plant Operator jobs in Hawaii look for?

The top searched job categories for Plant Operator jobs in Hawaii are:

What cities in Hawaii are hiring for Plant Operator jobs?

Cities in Hawaii with the most Plant Operator job openings:

Infographic showing various Plant Operator job openings in Hawaii as of August 2026, with employment types broken down into 44% Full Time, 54% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $48,333 per year, or $23.2 per hour.

Wastewater Plant Working Supervisor IV - WS-13

County of Hawai`i

Hilo, HI • On-site

$89K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 14 days ago


Key responsibilities

  • Assist in supervising and participate in the operation and maintenance of wastewater treatment plant and related facilities.

  • Supervise and participate in the inspection, operation, and maintenance of pumps, equipment, and chemical feed systems, including collecting samples and performing laboratory analyses.

  • Participate in training employees, evaluating job performance, preparing operational reports, and ensuring compliance with safety regulations.


County Of Hawaii rating

8.4

Company rating: 8.4 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

249th of 856 rated public administrative organizations


Job description

Duties Summary Assists in the supervision and participates in the operation and maintenance activities in a Class III or IV wastewater treatment plant and lower classed plants in a district, as well as its related tributary pumping plants, equipment, and facilities; and performs other related duties as required. There is one (1) immediate permanent full-time vacancy with the Department of Environmental Management - Wastewater Division in Hilo. 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 Conditions: Exposure to hazardous, filthy, and/or obnoxious conditions; may also be subject to shift, weekend, and holiday work as required. Examples of Duties Assists in the supervision and participates in the operation and maintenance of pumps and auxiliary equipment to control the flow of wastewater, air, and sludge through the various stages of the treatment process.

Supervises and participates in reading, recording, and interpreting data from meters, gauges, and other recording devices to maintain or improve plant operations. Supervises and participates in the inspection of plant and mechanical equipment for malfunctions, irregularities, and needed repairs; participates in lubricating, changing oil, repairing, and making adjustments to machinery and equipment; paints equipment, building, and other plant structures. Supervises and participates in the operation of chemical feed systems; collects samples and performs chemical and physical laboratory analyses; maintains records and prepares various operational reports.

Participates in the preparation of work schedules and work assignments for the maintenance and operation of the wastewater plant and pumping stations. Participates in evaluating employee's job performance; recommends approval or disapproval of leaves; prepares timesheets and periodic operational reports on man hours expended, materials and equipment used, and work status. Participates in the training of employees; explains policies, departmental procedures, and applicable laws; advises operators on wastewater treatment procedures and techniques, and the proper operation and maintenance of the equipment and plant.

Supervises and participates in the investigation and resolution of complaints. Submits requests for tools, equipment, materials, and supplies to supervisor; makes recommendations for various needs during annual budget preparation. Enforces and complies with all Federal, State, and County laws, regulations, and policies relating to occupational safety and health; takes precautions to safeguard facilities and equipment and maintain a safe working environment.

Operates a motor vehicle to transport personnel, equipment, and materials. Responds to emergency calls. Attends training seminars, workshops, and conferences to meet continuing educational requirements.

Performs other related duties as assigned. Participates in evaluating employee's job performance; recommends approval or disapproval of leaves; prepares timesheets and periodic operational reports on man hours expended, materials and equipment used, and work status. Participates in the training of employees; explains policies, departmental procedures, and applicable laws; advises operators on wastewater treatment procedures and techniques, and the proper operation and maintenance of the equipment and plant.

Supervises and participates in the investigation and resolution of complaints. Submits requests for tools, equipment, materials, and supplies to supervisor; makes recommendations for various needs during annual budget preparation. Enforces and complies with all Federal, State, and County laws, regulations, and policies relating to occupational safety and health; takes precautions to safeguard facilities and equipment and maintain a safe working environment.

Operates a motor vehicle to transport personnel, equipment, and materials. Responds to emergency calls. Attends training seminars, workshops, and conferences to meet continuing educational requirements.

Performs other related duties as assigned. Minimum Qualification Requirements Training and Experience: A combination of education and experience substantially equivalent to: experience of sufficient scope and quality to competently perform journey level duties of a Wastewater Plant Working Supervisor IV, and possession of a valid permanent Hawai'i Mandatory Wastewater Treatment Plant Operator IV Certificate at time of filing (scan and attach a copy of your valid certificate to your application), and 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 possession of a good driving record certified by a traffic abstract confirming no DUI convictions, license revocations, or suspensions 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 a valid State of Hawai'i driver's license (Class 4, non-CDL) is required 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: departmental policies and standards; practices and procedures used in the operation, maintenance, overhaul, and repair of wastewater treatment and pumping plant equipment; the various types of wastewaters and the associated problems and processes; sampling methods and the physical and chemical tests used in treatment plant control; servicing requirements of moving machinery; hazards and safety practices involved in working around high voltage equipment and moving machinery; plant quality control requirements and measures in dealing with process malfunctions and emergencies; arithmetic; uses of mechanic hand and power tools, materials, and equipment associated with mechanical repair work. Ability to: assign, supervise, and review the work of others; operate and maintain electrical pumping units and auxiliary equipment, including manual switchover of emergency generator units; instruct others in operational practices and procedures relating to treatment plant equipment; diagnose problems in plant equipment and supervise and participate in their correction; read and understand construction prints, machinery drawings, and manufacturer's manuals; read and interpret meters and gauges; record readings and maintain operating records; perform required laboratory tests and analyze results; input and extract data and reports from computer files; make arithmetical computations; use common hand and power tools; act quickly and effectively in emergencies; 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 Employment: The 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. Supplemental 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.

PLEASE APPLY IMMEDIATELY AS THIS RECRUITMENT MAY CLOSE AT ANY TIME. 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


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