HVAC Centrifugal Chiller Technician

About the role

Gallo Mechanical Services (GMS) is seeking a Commercial HVAC Service Technician (Chillers) to join a high‑performing team. The technician will specialize in heavy commercial chiller systems, performing inspections, testing, repairs, and planned maintenance of advanced and complex chiller‑type systems while delivering top‑notch service and exceeding customer expectations.

Responsibilities

• Maintain, diagnose, and repair advanced and complex mechanical chiller‑type systems.
• Coordinate work processes on large projects.
• Disassemble and reassemble large commercial equipment for troubleshooting and planned maintenance as indicated in service agreements.
• Proficiently operate hand tools, power tools, gauges, and measuring equipment.
• Complete service contracts, quoted projects, and demand service calls as directed.
• Develop long‑term relationships with customers and explain work performed to their satisfaction.
• Communicate and document project status to all project stakeholders.
• Serve as a lead and front‑line resource to service technicians through technical support.
• Coordinate subcontractor work and provide guidance to technicians.
• Purchase materials and issue purchase order numbers to suppliers.
• Safely drive a motor vehicle and trailer, adhering to company vehicle policy and safety requirements.
• Maintain equipment, tools, and inventory stock on the service vehicle.
• Use work experience to diagnose and provide timely, cost‑effective solutions to customers.
• Utilize app‑based software effectively.

Requirements

• Minimum 2+ years of relevant chiller repair experience.
• 4+ years of HVAC technician experience.
• High School Diploma or GED required; two‑year technical degree in a related field preferred.

Skills

• OEM experience or factory training on chiller systems.
• Troubleshooting of chiller control panels, routine mechanical and electrical components.
• Strong background performing centrifugal chiller overhaul services.
• Comprehensive systems knowledge (air‑side, water‑side, controls).
• Strong problem‑solving, critical‑thinking, prioritization, and multitasking abilities.
• Advanced knowledge in operation, maintenance, and troubleshooting of complex mechanical systems (e.g., chilled water plant systems, pumps, VFDs, cooling towers).
• Ability to take and log readings from critical equipment and take corrective actions before outages.
• Extensive knowledge of chilled water systems such as DX air‑cooled, scroll/reciprocating, screw, centrifugal chillers, and magnetic bearing compressor technology.
• Advanced working knowledge of building automation and mechanical system sequencing.
• Proficiency with equipment OEM‑specific software (e.g., TU, Tech‑view, Service Checker, MTool).
• Excellent customer service skills with a desire to exceed expectations.
• Advanced knowledge of service processes, techniques, and codes.
• Proficient in reading complex schematics and blueprints.
• Self‑managed work style with professional demeanor and strong interpersonal, written, and oral communication skills.
• Demonstrated strong business ethics.

Benefits

• Comprehensive benefits package supporting employee growth and well‑being.
• Company‑paid medical insurance.
• Dental, vision, voluntary life, short‑term disability, accident, and critical illness insurance.
• Team Incentive Program (TIP) allowing eligible employees to share in company financial success.
• 401(k) plan with a 5% company match.
• Training, support, and career progression opportunities.
• Employee wellness resources, paid time off (PTO), and more.