Wastewater Treatment Plant Maintenance Mechanic

  • City of Oak Harbor
  • Oak Harbor, Washington
  • Full Time
Under general supervision, performs a variety of skilled and semi-skilled duties and responsibilities involved in the maintenance, repair, service, and installation of equipment, machinery, and related facilities at the Clean Water Facility (wastewater treatment plant); performs related maintenance-oriented tasks, keeps records and prepares reports; and performs a variety of tasks relative to assigned area of responsibility. Work activities involve multiple skills and may include any or all of the following depending on area of assignment, crew needs, emergency services, special projects, and seasonal factors:

  1. Inspect, maintain, repair, and service wastewater treatment plant machinery and equipment, including pumps, valves, valve actuators, motors, engines, meters, drives, tanks, reservoirs, compressors, chemical feed and storage systems, UV disinfection systems, heating and air conditioning systems, and other equipment typical to a wastewater treatment facility.
  2. Assists in installing, maintaining and repairing pumps, air compressors, mechanical bar screens, grit elevators and conveyors, ventilating equipment, aerators, clarifier equipment, chlorination equipment, boilers, heat exchangers, gas compressors, diesel generators, valves, regulators, mechanical sluice gates and other machinery and equipment at Wastewater Treatment Plant or pumping stations.
  3. Does major and minor piping repairs to all machinery and related equipment.
  4. Keep records of maintenance and repair work and a log of plant operations and related records; fully utilize computerized work systems in accordance with workflow processes.
  5. Requisitions needed equipment and assists in maintaining an inventory of spare parts.
  6. Assists in training others on the maintenance of machinery, pumps, sampling equipment, etc.
  7. Fabricate parts and equipment; operate welding, cutting, and general fabrication equipment.
  8. Pack, lubricate, clean, and paint mechanical equipment and motors.
  9. Inspect newly installed mechanical equipment to ensure safe and satisfactory operation and functionality.
  10. Perform preventive maintenance checks and servicing on equipment.
  11. Use a variety of hand power tools, cutting and welding equipment, and electrical test equipment.
  12. Evaluate equipment performance and identify problem areas.
  13. Perform general maintenance duties in the plant, including buildings, grounds, and mechanical and electrical equipment as required.
  14. Operate heavy-duty technical equipment to transport goods and materials.
  15. Analyze or create documents, such as blueprints, markings, surveys, operating procedures, etc., to problem-solve the most effective approach to a task.
  16. Verify the work of others for accuracy, proper work methods, techniques, and compliance.
  17. Formulate solutions to problems with equipment or operations, including logistics, operations, and processes.
Associated Functions:
  1. Attend various workshops, continuing education, meetings, seminars, and conferences.
  2. Perform other duties and responsibilities as assigned.
Performance Requirements (Knowledge, Skills and Abilities):
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required, with or without reasonable accommodation.

Knowledge of:
  • Installation, operation and maintenance of mechanical systems and equipment of the facility such as pumps, conveyors, ventilating equipment, aerators, clarifier equipment, chlorination equipment, heat exchangers, air compressors, diesel generators, centrifuge, valves, regulators, D/P cells, mechanized sluice gates.
  • Principles and application of physics, chemistry and bacteriology as applied to wastewater treatment and disposal.
  • Standard practices, methods, tools, and materials used in mechanical trades.
  • Good judgment, alertness, and dependability
  • Mechanical principles of pumps, controllers, motors, and drives.
  • General methods of electric, mechanical, and plumbing repairs.
  • Occupational hazards and standard safety precautions are necessary in the workplace.
Skill in:
  • Operating as a general mechanic.
  • Use and care for bench and hand tools, machines, and equipment of the mechanical trades.
  • Perform mechanical work, including the troubleshooting of equipment for both minor and major repair work.
  • Accurately determine mechanical repair needs and estimate the cost and time of repairs.
  • Perform basic operations of SCADA software from a desktop or remotely from a laptop.
Ability to:
  • Keep accurate records
  • Understand and carry out oral and written instructions
  • Perform skilled mechanical work independently.
  • Accurately read and record data from gauges and meters.
  • Establish and maintain effective working relationships with those contacted in the course of work.
  • Use computers and handheld electronic devices in the course of work.
  • Read and work from sketches, blueprints, and diagrams
  • Assist with the maintenance of the conveyance system pump station equipment as required.
An equivalent combination of education, training and experience that provides the required knowledge, skills and abilities to perform the essential job functions may be considered.

  • High school graduation or GED equivalent.
  • Two (2) years of progressive maintenance experience repairing mechanical, industrial, and/or electrical equipment and machinery; including. the maintenance of pumps, motors, piping and wastewater or water treatment plant operations, such as equipment manufacturing or industrial maintenance work.
  • Must be able to acquire specialized certifications in specific areas of work.
  • Must obtain and maintain CPR and Industrial First Aid Certification within three (3) months of hire.
  • Ability to successfully pass a comprehensive employment background verification prior to hire.
  • Valid drivers license at the time of hire and must provide a Drivers Abstract with a good driving record.

Preferred Qualifications:
Certificate of completion from a trade/vocational school as a machinist, millwright, pipefitter or related trade. The physical demands and characteristics of the work environment described here are representative of those occurring in the performance of the essential functions of this job. Reasonable accommodation may be provided to enable individuals to perform the essential functions.

Environment:
  • Work is primarily performed indoors with periods of being in a stationary position, must be able to travel from building to building, to other meetings and job locations.
  • Work is also performed outdoors, in all types of terrain, weather conditions and temperatures, around water, under dirty, uncomfortable spaces, with a noise level in the work environment that may be moderately loud with intense noises.
  • May be exposed to fumes, odors, dusts, gases, chemicals, oils, airborne particles or bloodborne pathogens, potential toxic or caustic chemicals, grease, smoke, gases, heat, cold, electrical currents, vibration, and other hazardous conditions including vehicular traffic and construction equipment.
  • Climbing, balancing, stooping, kneeling, crouching, reaching, standing, walking, pushing, pulling, lifting, grasping, talking, hearing, seeing, and repetitive motions.
  • May be required to occasionally lift heavier weight with the assistance of others or mechanical devices up to 100 pounds. Move up to 50 pounds of force frequently and/or in excess of 20 pounds of force constantly to move objects.
Physical Demands:
  • Work requires manual dexterity, ability to recognize and identify similarities and differences between shade, degree or value of shapes, sounds, forms, textures or physical appearance associated with objects and people.
  • Ability to communicate and observe details at varying ranges with accuracy, and the ability to move and position oneself as needed on a site and to maintain such activities throughout a work shift.
  • Weekend and after-hours work may be required as well as after-hours response to situations and emergencies.
Safety Statement:
We expect employees to ensure compliance with all applicable safety practices and policies, including those established by OSHA/DOSH regulations and the Citys Accident Prevention Program (APP). This includes, but is not limited to, actively identifying, and correcting potential hazards that may affect employee and public safety, including those identified by co-workers. Leading by example to promote a positive culture of workplace safety through everyday action, emphasizing safe completion of work throughout all aspects of developing and carrying out work plans.
Job ID: 487135129
Originally Posted on: 7/28/2025

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