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Today's Hours: 9:00 am – 6:00 pm

Water Quality Technician

Full Time, Eligible for Benefits

The Water Quality Technician works with the Water Quality Manager to conduct daily water quality analyses on all aquatic systems and water sources. The Water Quality Technician assists in ensuring high quality consistency in water quality parameters in order to maintain optimal health and environments for all animals.


  • Responsible for daily water analyses on all aquatic systems which include (but not limited to) salinity, pH, ammonia, nitrite, nitrate, total copper, ORP, alkalinity, dissolved oxygen, phosphate, chlorine, magnesium, calcium.
  • Assists with calibration/maintenance of ion chromatography and atomic absorption spectroscopy systems.
  • Conducts routine inventory and maintains lab stock.
  • Assists in the planning of short and long term goals as related to water quality, including supplies, logistics, and other resources.
  • Responsible for electrode/probe calibration, general maintenance of lab equipment, minor equipment repair, and lab cleanliness.
  • Ensures high quality consistency in water parameters in order to maintain optimal health and environments for all animals, through Quality Assurance and Quality Assessment.
  • Uses computer database, Tracks to report results obtained from all analyses.
  • Assists Water Quality Manager in communicating water quality results to husbandry and life support systems staff. Assists in the preparation and the submission of routine data reports.
  • Monitoring and maintaining therapeutic medication levels in quarantine tanks undergoing treatment, nitrogen cycling in new systems, coliform and chlorine levels in marine mammal systems, and pH levels.
  • Conducting system bacterial analysis through monitoring Enterococcus and Coliform in order to ensure that life support system filtration is operating satisfactorily.
  • Assists with volunteer supervision.
  • When possible, participates in aquarist, mammologist, and aviculturist tasks to promote skill diversification and to aid during periods of reduced staff availability.


  • Working knowledge using the following equipment is highly desirable: ion chromatograph, pH meter, salinity meter, UV/vis spectrophotometer, graphite furnace atomic absorption spectrophotometer, incubators, microscopes, dissolved oxygen meter, balances, ORP electrodes, stir/hot plates, and computers.
  • Familiar with ozonation equipment and safety, closed system filtration, microbiology and skills in bacterial culture techniques is highly desirable.
  • Ability to work in Excel and Tracks database.
  • Good problem solving and excellent laboratory skills.
  • Knowledgeable in safety procedures, clean up and disposal of waste and spills.
  • Maintains knowledge of current techniques and equipment in pertinent fields of water quality, chemistry, and microbiology.
  • Interacts and exchanges information with other researchers, institutions, and organizations.


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 abilities required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions.

  • Bachelor’s degree in chemistry, environmental science, aquatic biology, or equivalent experience.
  • Minimum of one (1) year working experience in a water quality laboratory.
  • Previous experience in keeping closed aquarium systems desirable.


The physical demands described here are representative of those that must be met by the individual to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Ability to sit, stand, and walk for long periods of time
  • Ability to balance bend, squat, climb, kneel, twist
  • Ability to lift and carry up to 0-50lbs
  • Ability to pull and push up to 0-50lbs
  • Full functional range of motion in all major body joints from reaching, twisting, bending, simple and power gripping, fine and gross motor skills


The work environment characteristics described here are representative of those an individual encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Exposed to working in confined spaces
  • Exposure to various in temperature, humidity or wetness
  • Wet, dirty, uneven surfaces and walkways
  • Elevated platforms
  • Use of special auditory, visual, and personal protective equipment
  • Exposed to working with bio-hazards
  • Exposed to laboratory chemicals and agents
  • Use of hand tools, machinery and company vehicles
  • Working with water quality machinery
  • Aquarium habitats and open ocean environments


If you meet the requirements of this position, click on the link below to “APPLY NOW.” You will be directed to our web application process, the successful completion of which is required by all applicants. There are THREE simple steps to this process, which is administered by Hire Select:

  1. You will complete a brief web application;
  2. You will attach or build your resume;
  3. You will complete the PCI aptitude assessment.

Upon completion of all THREE steps, your submission will be forwarded to our hiring team for consideration. If you are among the most qualified applicants, we will contact you within two to three weeks. If you do not hear from us within that time, feel free to reapply in the future as other opportunities arise. Thank you so much for your interest in the Aquarium of the Pacific!

The Aquarium of the Pacific is an Equal Opportunity Employer.