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Life Support System Technician II

Job Details

St Louis Aquarium at Union Station - St. Louis, MO


Position Summary

This position is responsible for the Aquarium’s maintenance/life support team to support the operation, maintenance and repair of facilities and equipment associated with live animal habitats.  Management and preventative maintenance of all life support system (LSS) equipment, including but not limited to pumps, sand filters, UV, ozone generators and other equipment that are critical to animal health.

Duties & Responsibilities


  • Perform all duties of an LSS technician I and one of the following specialty tracks
  • LSS operations specialist
    • Assign work orders to LSS technician I’s.
    • Maintain inventory for all LSS critical spare parts.
    • Schedule and lead new in-house LSS construction.
    • Manage all abnormal LSS operations.
    • Identify all unsafe working conditions and make recommendations on corrective actions.
    • Work/coordinate with vendors on preventative maintenance items that are above current technical skill level.
    • Write standard operating procedures.
    • Ensure standard operating procedures are followed.
  • Water quality analyst.
    • Analyze all water quality reports to identify deleterious trends.
    • Stay abreast of all water quality ranges for all habitats.
    • Maintain the instrumentation and sensors, including flow meters, ORP probes, pH meters, DO meters, and more.
    • Create and maintain all water quality dosing protocols.
    • Maintain all records and record keeping database.
    • Maintain all related water quality inventories.
    • Communicate water quality concerns to respective teams.
    • Write standard operating procedures.
    • Ensure standard operating procedures are followed.
  • Identify problems and communicate system design and operational changes to Engineering Manager.
  • Coordinate contractors working on-site for safety and animal health concerns.
  • Perform inspections, preventative maintenance, routine upkeep, cleaning and repair of all life support equipment.
  • Understand water chemistry reports and their relationships to LSS.
  • Monitor the Life Sciences inventory and departmental expenditure as it pertains to maintenance in order to reduce loss/waste, control costs and accurately communicate expenses.
  • Assist in emergency situations to minimize damage, loss or injury to guests, team members, animals or company property.
  • In collaboration with Guest Experience Department and the Aquarium Foundation, ensure habitats and programs engage, educate and entertain diverse audiences.
  • Work closely with the Aquarium Foundation to ensure volunteers and educators provide exemplary guest service and engagement.
  • Other duties as assigned.


Experience, Skills & Qualifications


  • One year + in a similar position required.
  • PADI Open Water or equivalent (or able to obtain within 90 days of employment) required.
  • First Aid, CPR, Emergency O2, and AED certification (or able to obtain within 90 days of employment) required.
  • Ability to adhere to OSHA standards and proper use of personal protective equipment in an aquarium environment required.
  • Skilled in general construction, troubleshooting mechanical systems and the safe use of tools required.
  • Preferred certification – AALSO Operator Level I.
  • Knowledge of water chemistry and monitoring in an aquarium environment required.
  • Excellent verbal and written communications skills required.


The individual must possess the following abilities to perform the essential functions of the job, with or without reasonable accommodation, using some or a combination of the abilities.

  • Ability to stand for long periods of time.
  • Ability to read, listen and communicate effectively in English, both verbally and in writing.
  • Ability to access and accurately input information using a moderately complex computer system.
  • Hearing and visual ability to observe and detect signs of emergency situations.
  • Requires the ability to perform the physical, visual and hearing requirements in the working conditions below.


  • Upon employment all team members are required to comply with the standards, rules and regulations, which may be established by the Company and updated from time-to-time. Team members who violate property rules or have irregular attendance will be subject to disciplinary action, up to and including termination of employment.
  • The leisure business functions seven days a week. Due to the seasonal nature of the industry, team members may be required to work varying schedules, weekends, holidays and overtime to reflect the business needs of the property. Team members may also be required to attend group and/or department meetings in addition to the work shift as necessary.
  • This job description is not an exclusive or exhaustive list of all job functions that a team member in this position may be asked to perform.