Commercial Chiller Mechanic

ASRC Federal•North Charleston, SC

About The Position

ASRC Federal Field Services provides comprehensive facilities and logistical support at the Federal Law Enforcement Training Center (FLETC) in North Charleston, South Carolina. We are seeking a Commercial Chiller Mechanic with strong experience in large-scale HVAC and refrigeration systems to support mission-critical cooling infrastructure across a multi-building federal complex. Description: Operate, maintain, troubleshoot, and repair commercial chiller systems supporting a large federal training campus Perform preventive maintenance and corrective repairs on air-cooled and water-cooled chiller systems Maintain and service ancillary equipment including cooling towers, pumps, motors, air handlers, flat plate heat exchangers, and associated controls Conduct system inspections, component teardowns, rebuilds, and recommissioning of chiller equipment Diagnose refrigeration system issues using manifold gauge sets, pressure-temperature charts, and electronic measuring instruments Perform refrigerant recovery, evacuation, charging, and leak detection in accordance with EPA regulations Install, repair, and troubleshoot compressors, heat pumps, split systems, package units, and chiller control systems Troubleshoot and repair single-phase and three-phase electrical systems, motors, contactors, starters, relays, disconnects, and VFDs Utilize multi-meters and meggers to test voltage, current, resistance, and insulation integrity Perform soldering and brazing on refrigeration piping and components Monitor system performance, respond to alarms, and correct abnormal operating conditions to minimize downtime Read and interpret mechanical drawings, electrical schematics, and OEM technical manuals Estimate labor, materials, and time required to complete maintenance and repair tasks Document all work performed and maintain confidentiality of sensitive work-related information Provide after-hours and emergency response support for critical cooling system failures when required Perform other maintenance-related duties as assigned

Requirements

Minimum four (4) years of experience as an HVAC or Commercial Chiller Mechanic with direct experience on commercial chiller systems
EPA Universal or ASHRA Refrigerant Certification (required)
NATE Certification – (required within 6 months of hire)
OEM Chiller Certifications preferred
High School Diploma or GED preferred
Must be a U.S. Citizen
Must maintain a valid REAL ID or U.S.-issued Passport
Must be able to operate a motor vehicle
Must be able to lift 30 pounds unassisted
Must be able to climb ladders, kneel, crawl, reach overhead, and work in confined spaces
Must be able to stand, walk, and sit for extended periods
Must be able to read, write, speak, and understand English
Must be able to pass a background check, drug screening, and physical examination
Standard work schedule Monday through Friday, 7:00 AM – 4:00 PM, with occasional after-hours or emergency response as required

Nice To Haves

OEM Chiller Certifications preferred
High School Diploma or GED preferred

Responsibilities

Operate, maintain, troubleshoot, and repair commercial chiller systems supporting a large federal training campus
Perform preventive maintenance and corrective repairs on air-cooled and water-cooled chiller systems
Maintain and service ancillary equipment including cooling towers, pumps, motors, air handlers, flat plate heat exchangers, and associated controls
Conduct system inspections, component teardowns, rebuilds, and recommissioning of chiller equipment
Diagnose refrigeration system issues using manifold gauge sets, pressure-temperature charts, and electronic measuring instruments
Perform refrigerant recovery, evacuation, charging, and leak detection in accordance with EPA regulations
Install, repair, and troubleshoot compressors, heat pumps, split systems, package units, and chiller control systems
Troubleshoot and repair single-phase and three-phase electrical systems, motors, contactors, starters, relays, disconnects, and VFDs
Utilize multi-meters and meggers to test voltage, current, resistance, and insulation integrity
Perform soldering and brazing on refrigeration piping and components
Monitor system performance, respond to alarms, and correct abnormal operating conditions to minimize downtime
Read and interpret mechanical drawings, electrical schematics, and OEM technical manuals
Estimate labor, materials, and time required to complete maintenance and repair tasks
Document all work performed and maintain confidentiality of sensitive work-related information
Provide after-hours and emergency response support for critical cooling system failures when required
Perform other maintenance-related duties as assigned