HVAC Technician

Newrest; Houston (TX); On-site; USD 52,000 - 78,000; Full time

Job summary

Newrest in Houston seeks an HVAC Technician to maintain and repair refrigeration, glycol chilling, and building HVAC systems for food safety and uninterrupted airline catering operations.

You will troubleshoot walk-in units, glycol chillers, and rooftop HVAC systems, coordinate with maintenance teams, and emphasize preventive maintenance while documenting work in CMMS to minimize downtime.

Qualifications

• Proficient in diagnosing and repairing walk-in coolers/freezers and rooftop HVAC units.

Responsibilities

• Inspect, test, and repair evaporators and chillers to maintain product safety.
• Perform preventive maintenance on glycol and HVAC systems to minimize downtime.
• Respond to temperature alarms and service calls, including on-call duties.
• Document all work in CMMS and coordinate with maintenance teams and contractors.

Skills

Troubleshooting HVAC systems

Electrical diagnostics

Reading mechanical drawings

Education

Trade school diploma or HVAC certification

Tools

Leak detectors

Refrigerant recovery equipment

HVAC hand tools

Job description

SUMMARY:

The HVAC Technician is responsible for maintaining and repairingrefrigeration, glycol chilling, and building HVAC systems to ensure food safetyand uninterrupted airline catering operations. The role involvestroubleshooting and servicing walk-in coolers/freezers, evaporators, glycolchillers, and rooftop HVAC units, while serving as the primary responder torefrigeration and HVAC issues. The technician will work closely withmaintenance teams and external contractors, focus heavily on preventivemaintenance, and document all work in the CMMS to minimize equipment downtimeand extend asset life.

ESSENTIALFUNCTIONS

• Inspect, troubleshoot, service and repairproduction-area evaporators, walk-in freezers and coolers, blast chillers andreach-in refrigeration, including defrost systems (electric and hot gas), coilicing, drain pans and drain-line heaters, fan motors and expansion valves(TXV/EEV).
• Maintain and troubleshoot the glycol-based chillingsystem: chillers, propylene glycol loop, pumps, plate heat exchangers,expansion tanks and valves; test and adjust glycol concentration and freezepoint.
• Service and repair rooftop units (RTUs) and makeupair / exhaust systems for building heating, cooling and ventilation, includingcompressors, gas heat, economizers, belts and filters.
• Diagnose failures to root cause using gauges,superheat/subcooling readings, multimeters, amp clamps, meggers and leakdetectors; troubleshoot refrigeration controls, thermostats, contactors, VFDsand motor circuits (single-phase and 3-phase up to 480V).
• Find and repair refrigerant leaks; recover,evacuate, braze and recharge systems in line with EPA Section 608 rules, andkeep accurate refrigerant records (charges, leak inspections, repairs).
• Respond to temperature alarms and breakdowns,including on-call; protect product first by notifying QA and moving product tobackup storage when temperatures leave the safe range.
• Escalate to the Maintenance Supervisor and approvedcontractors or OEMs when a repair needs specialist support, major compressor orchiller work, or will exceed allowed downtime; brief the contractor, supervisethe work and verify the repair.
• Perform preventive maintenance on all refrigeration,glycol and HVAC equipment (coil cleaning, filters, belts, drains, defrostchecks) to minimize downtime and extend equipment life.
• Ensure all work complies with EPA Section 608, OSHAlock-out/tag-out (LOTO), NFPA 70E arc flash safety and site safety rules.
• Ensure compliance with all applicable requirementsrelated to product and service quality, environmental standards, food safety,and health and safety regulations.
• Promote a safe and healthy work environment bypreventing work-related injuries and illnesses, eliminating hazards, andreducing health and safety risks.
• Compliance with Hazard Analysis Critical ControlPoints (HACCP)/General manufacturing practices (GMP) guidelines for personalhygiene and observe security precautions as mandated by unit management.
• Satisfactory and punctual attendance is expected.
• All other duties as assigned.