LSS and Water Quality Technician

Dallas Zoo Management•Dallas, TX

About The Position

The LSS and Water Quality Technician supports the operation, maintenance, and monitoring of life support systems and aquatic infrastructure across the Zoo. This position performs water quality testing, preventative maintenance, and equipment repairs to ensure reliable operation of animal habitats and public water features. The technician works closely with Animal Care, Veterinary, and Facilities teams to maintain species-appropriate environmental conditions and ensure compliance with AZA, USDA, and other regulatory standards.

Requirements

High School diploma or GED required.
Minimum 2 years of experience in aquatic systems maintenance, water treatment, life support systems, pools, fountains, or similar mechanical water infrastructure.
Valid Texas driver’s license required.
Working knowledge of water chemistry principles and aquatic system maintenance.
Mechanical aptitude and experience with pumps, filters, plumbing systems, and related equipment.
Ability to safely work around water, chemicals, and mechanical equipment.
Ability to work indoors and outdoors in varying weather conditions, including confined spaces and elevated areas.
Ability to lift up to 50 lbs and perform physical tasks including bending, kneeling, reaching, and climbing ladders.
Successful candidates must pass pre-employment drug screening, background check, and TB test.

Nice To Haves

Associate’s degree or technical training in environmental science, water technology, mechanical systems, or related field preferred.
Experience working in a zoo, aquarium, water park, municipal water system, or similar facility preferred.
AALSO LSS operator level 1 and Water Quality Technician level 1 certifications preferred.
NSPF Certified Pool Operator (CPO) certification or ability to obtain within 6 months of employment.

Responsibilities

Perform routine water quality testing including pH, ammonia, nitrite, nitrate, chlorine, and other required parameters.
Inspect, monitor, and operate life support systems including pumps, filters, UV sterilizers, ozone generators, chemical dosing systems, and associated equipment.
Perform preventative maintenance including pump inspections, filter backwashing and servicing, valve maintenance, and calibration of monitoring instruments.
Troubleshoot mechanical, electrical, and water chemistry issues affecting aquatic systems.
Assist with pump rebuilds, plumbing repairs, and replacement of system components.
Respond to system alarms and assist with emergency repairs to ensure continuous life support capability.
Maintain accurate records of water chemistry testing, equipment maintenance, and system operations.
Assist with installation, commissioning, and upgrades of life support and aquatic systems.
Maintain chemical storage areas and ensure proper handling and documentation of treatment chemicals and SDS materials.
Coordinate with Animal Care and Veterinary teams to maintain species-appropriate environmental conditions.
Support regulatory compliance with AZA, USDA, EPA, and other applicable standards.
Assist in maintaining spare parts inventory and critical system supplies.
Maintain safe work practices around chemicals, mechanical equipment, and aquatic environments.
Participate in after-hours response or weekend coverage as required to support life support system operations.
Perform other duties as assigned.