CalTek Staffing is one of the best HVAC staffing and recruitment agencies in Atlanta. We are a national engineering and technical staffing agency specializing in recruiting HVAC and mechanical service professionals for high‑growth commercial, industrial, and mission‑critical environments. Our client is a leading commercial HVAC and chiller services provider supporting hospitals, universities, data centers, pharmaceutical facilities, high‑rise buildings, and large‑scale industrial plants.
Their field service teams install, troubleshoot, repair, and optimize complex chiller systems including centrifugal, screw, scroll, absorption, and magnetic‑bearing chillers from major OEMs. With a strong focus on uptime, energy efficiency, and mission‑critical reliability, the company delivers advanced mechanical service solutions across Georgia’s fastest‑growing commercial markets.
Typical Duties and Responsibilities
- Install, troubleshoot, repair, and maintain commercial and industrial chiller systems including centrifugal, screw, scroll, and absorption chillers.
- Perform diagnostics, leak detection, refrigerant recovery, charging, and system performance analysis.
- Service and maintain chillers from major OEMs including Trane, Carrier, York, Daikin, McQuay, and Smardt.
- Inspect and repair compressors, evaporators, condensers, heat exchangers, pumps, valves, and control components.
- Perform preventive maintenance, vibration analysis, oil sampling, tube cleaning, and system optimization.
- Troubleshoot electrical and mechanical issues including motors, starters, VFDs, contactors, relays, and control circuits.
- Work with Building Automation Systems (BAS) including Tridium Niagara, Johnson Controls Metasys, Siemens Desigo, and Honeywell EBI.
- Interpret mechanical drawings, wiring diagrams, piping schematics, and control sequences.
- Perform system startups, commissioning, and operational testing for new and retrofit chiller installations.
- Document service activities, maintenance logs, refrigerant usage, and equipment performance data.
- Ensure compliance with EPA regulations, ASHRAE standards, and mechanical safety guidelines.
- Collaborate with facility engineers, mechanical contractors, and BAS technicians to resolve system issues.
- Provide recommendations for system upgrades, energy efficiency improvements, and equipment lifecycle planning.
- Respond to emergency service calls and support mission‑critical cooling operations.
- Participate in ongoing training, OEM certification programs, and technical development.
Education
- Technical diploma or associate degree in HVAC/R, Mechanical Technology, or related field preferred.
- Equivalent hands‑on experience in commercial HVAC or chiller service may be considered.
Required Skills and Experience
- 3+ years of experience servicing commercial or industrial chiller systems.
- Hands‑on experience with centrifugal, screw, scroll, or absorption chillers.
- Strong understanding of refrigeration cycles, thermodynamics, and mechanical cooling principles.
- Experience with refrigerants including R‑134a, R‑410A, R‑123, R‑513A, and low‑GWP alternatives.
- Ability to troubleshoot compressors, motors, pumps, VFDs, sensors, and control circuits.
- Familiarity with BAS platforms such as Tridium Niagara, Metasys, Siemens Desigo, or Honeywell EBI.
- Ability to read and interpret mechanical drawings, wiring diagrams, and piping schematics.
- Strong knowledge of EPA 608 regulations, ASHRAE standards, and mechanical safety practices.
- Experience with digital gauges, multimeters, vacuum pumps, recovery machines, and diagnostic tools.
- Strong communication, customer service, and documentation skills.
Preferred Qualifications
- EPA 608 Universal Certification required.
- OEM training or certifications from Trane, Carrier, York, Daikin, or Smardt.
- Experience with magnetic‑bearing chillers or high‑efficiency variable‑speed systems.
- Background in data centers, hospitals, pharmaceutical facilities, or mission‑critical cooling.
- Experience with energy optimization, chiller plant sequencing, or central plant operations.
- Knowledge of hydronic systems, pumps, cooling towers, and heat exchangers.
- Certifications such as NATE, HVAC Excellence, or mechanical trade licenses.
