Plant Helper Jobs in Hawaii (NOW HIRING)

Salary: $5,043.00 Monthly
Location : Maui County (various), HI
Job Type: Permanent Full-Time
Job Number: R-12469 (A)
Department: Department of Water Supply
Opening Date: 06/12/2026
Closing Date: Continuous
Description
Assists in the performance of work connected with the installation, maintenance, repair and overhaul of a variety of water pumping plant and related water systems equipment; and performs other related duties as required.
Distinguishing Characteristics:
This class differs from the Water Plant Maintenance Mechanic I in that the Water Plant Maintenance Mechanic Helper works with and assists a skilled Water Plant Maintenance Mechanic in installing, maintaining, repairing and overhauling a variety of water pumping plant and related water systems equipment; whereas the Water Plant Maintenance Mechanic I performs skilled work in installing, maintaining, repairing and overhauling a variety of water pumping and related water systems equipment.
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.)

• Assists in the installation, maintenance, repair and overhaul of horizontal centrifugal pumping units, reservoir altitude valves, service altitude valve control units, chemical feed pumps, disinfection systems and differential converters;
• Assists in installing and overhauling deep well pump discharge regulating valves, check valves, solenoid valves, air relief valves, vacuum breakers and related equipment;
• Assists in the overhaul and repair of electrical motors, air blowers, electric motor driven air compressors and manual, air or hydraulically activated butterfly valves;
• Assists in installing, overhauling and repairing mechanical shaft seals, mechanical flow meters and gauges;
• Assists in the inspection and servicing of pumping plant and related water plant equipment;
• Repairs or renews worn centrifugal pump bearing and shaft sleeves;
• Operates shop machines and equipment;
• Studies equipment operational and maintenance manuals;
• Performs general ground and building maintenance work as required;
• Operates a motor vehicle;
• Assists in system residual checks and adjustments;
• Assists in the maintenance and repair of disinfection systems;
• Delivers disinfection products;
• Assists with the operation and maintenance of combustion engine-powered generators and pumps;
• Performs other related duties as required.

Minimum Qualification Requirements
Training and Experience: A combination of education and experience substantially equivalent to graduation from high school and one (1) year of experience under a skilled mechanic in the repair and overhaul of equipment in a pumping plant, marine engine room, power plant or machine shop, which included repair and overhaul work on pumping apparatus or generators.
License Requirement: Possession of a valid motor vehicle driver's license( equivalent to State of Hawaii Type 3). Prior to completion of the probationary period, possession of a valid Commercial Driver's License (Class A, B, or C) with Hazardous Material (H) endorsement and a Department of Transportation Medical Examiner's Certificate.
Knowledge of: Tools, materials and practices used in the operation, maintenance and repair of electrically and engine operated pumps, generators and other related equipment; principles and practices of elementary electricity and hydraulics; occupational hazard and safety practices involved in working around electricity and moving machinery; use of standard office machines and equipment, including personal computers.
Ability to: Operate hand tools and shop machinery; do mechanical work connected with the installation, maintenance and repair of pumping plant equipment; work harmoniously with others; understand and follow oral and written instructions; handle weights and loads; operate a personal computer using a variety of software applications.
Health and Physical Condition:
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
APPLICATIONS MAY BE FILED ONLINE AT:
If you have never applied for a job using the NEOGOV system, you must create an account. You will need a username, password, and working email address to create your account. Your detailed work history is required on the application. A resume submitted in lieu of an application will not be sufficient. Furthermore, "See resume" is NOT an acceptable response under the "Work Experience" section. An application containing this response may be deemed incomplete. Applications may be rejected if they are incomplete.
RECRUITMENT IS ADMINISTERED IN THE COUNTY OF MAUl ONLY
The above recruitment is being administered on an open-competitive basis to establish an eligible list which shall be effective for not more than one year unless extended by the Director of Personnel Services.
AN EQUAL OPPORTUNITY EMPLOYER
The County of Maui does not discriminate on the basis of race, sex, sexual orientation, age, religion, color, ancestry, national origin, disability, marital status, pregnancy, arrest and court record, assignment of child support, national guard participation or any other basis covered by state or federal laws governing non-discrimination
Pre-Employment/Post-Offer Drug Screening Test: All applicants, who will enter a safety sensitive position or certain designated categories that the Personnel Services Director has established or who are required by law to be drug tested must pass a pre-employment/post-offer drug screening test as a condition of employment. There is no retesting or re-evaluation process. Cost for the drug screening test shall be borne by the County of Maui.
Personnel Services Email:
01
This position requires a combination of education and experience substantially equivalent to graduation from high school. Do you have a high school diploma or GED equivalent? Note: Please ensure your high school information is included in the Education section of your application. ("See Resume" is not acceptable)

• Yes
• No

02
Do you have one (1) year of experience under a skilled mechanic in the repair and overhaul of equipment in a pumping plant, marine engine room, power plant or machine shop, which included repair and overhaul work on pumping apparatus or generators. Note: Please ensure your related work experience is listed on your application. ("See Resume" is not acceptable)

• Yes
• No

03
If yes, please indicate at which employer(s) did you gain this experience. Note: Please ensure your related work experience is listed on your application. ("See Resume" is not acceptable)
Required Question