Central Plant Technician — Chiller & AHU Systems

Responsibilities

• Operate and maintain central chilled water plant: centrifugal or screw chillers, cooling towers, chilled water pumps, condenser water pumps, chemical treatment system
• Monitor chiller performance via BMS: approach temperatures, efficiency curves, refrigerant pressures — identify performance degradation early
• Manage cooling tower chemical treatment program: biocide dosing, scale inhibitor, pH management
• Coordinate with chiller manufacturer service teams for annual maintenance and warranty work
• Maintain air handling units throughout the resort: filter replacement, coil cleaning, damper operation, belt tension
• Manage refrigerant log in compliance with SEMARNAT refrigerant handling regulations

Requirements

• Advanced HVAC training with centrifugal or screw chiller experience
• EC0152 certification — mandatory
• BMS monitoring experience for chilled water plant management
• Minimum 4 years HVAC maintenance with plant operations experience

Benefits

• IMSS, aguinaldo, paid vacation + premium
• Semi-annual performance bonus
• Grocery vouchers MXN 1,200/month
• Life insurance
• Advanced training in chiller plants
• Staff canteen

Work environment

Large resort central chilled water plant. Senior technical role in the most sophisticated HVAC environment in Mexican hospitality.

About the role

A central chilled water plant serving a 1,000-room resort is cooling infrastructure at the scale of a small industrial facility. The technician who can read chiller performance data, identify an approaching mechanical issue before it causes an unplanned shutdown, and coordinate a planned maintenance window without taking the resort dark — is operating at the top of the HVAC profession in Mexico.