The Senior Refrigeration & A/C Technician leads the maintenance, repair, and optimization of refrigeration and air conditioning systems in water treatment facilities. This role is responsible for ensuring environmental control systems operate reliably and efficiently to support critical treatment processes, while mentoring junior staff and supporting capital improvement projects.
Lead the troubleshooting, repair, and performance optimization of commercial and industrial A/C systems, chillers, dehumidifiers, air handlers, and cooling towers.
Oversee the maintenance of refrigerant-based systems, ensuring full compliance with EPA 608 and plant environmental protocols.
Perform complex diagnostics on system controls, motors, and refrigerant cycles; calibrate sensors and adjust set points for process-critical HVAC units.
Develop preventive and predictive maintenance strategies and ensure CMMS documentation is complete and accurate.
Coordinate and supervise external HVAC contractors during large-scale repairs, installations, and system upgrades.
Mentor and train junior and mid-level technicians on best practices, safety procedures, and technical troubleshooting.
Collaborate with engineering, controls, and operations teams during energy efficiency evaluations or process modifications.
Ensure compliance with OSHA, ASHRAE, and other regulatory standards applicable to HVAC/R systems in water treatment environments.
Education:
Associate degree or technical diploma in HVAC/R, Mechanical Systems, or a related field
Certifications:
EPA 608 Universal Certification required
Additional certifications (e.g., NATE, OSHA 30, manufacturer-specific) preferred
Experience:
5+ years of experience in industrial refrigeration and HVAC maintenance, ideally within water or wastewater treatment plants
Skills:
Advanced mechanical and electrical troubleshooting skills
Ability to lead system evaluations and interpret complex schematics and control diagrams
Strong planning, coordination, and leadership capabilities
Proficient in using digital diagnostic tools and building automation systems (BAS/SCADA)
Deep understanding of safety practices and environmental regulations