Master Chiller Mechanic – Mission-Critical Cooling Expert

LotusWorks

Chandler (AZ)

On-site

USD 85,000 - 125,000

Full time

14 days+
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Benefits offered by this job

Medical Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
401k Retirement Plan
Education Assistance
Annual Leave
Maternity/Paternity Leave
Recognition Rewards

Job summary

LotusWorks is seeking an experienced Master Chiller Mechanic to operate, maintain, troubleshoot, and optimize large-scale chilled water and refrigeration systems in a semiconductor manufacturing environment. You will ensure reliability and energy efficiency across cooling infrastructure and associated mechanical systems in a mission-critical setting.

The ideal candidate has advanced knowledge of industrial HVAC, refrigeration, and process cooling, with strong cross-disciplinary skills in

Qualifications

  • 8+ years of experience operating and maintaining industrial chillers, refrigeration, or mission‑critical cooling systems.
  • Strong troubleshooting across mechanical, electrical, refrigeration, and controls systems.
  • Experience in semiconductor, high‑tech manufacturing facilities preferred.

Responsibilities

  • Operate and monitor centrifugal, screw, scroll, and reciprocating chillers.
  • Monitor chilled water, condenser water, glycol, and heat recovery systems.
  • Review pressures, temperatures, flows, and efficiency.
  • Monitor SCADA/BMS trends, alarms, and performance.
  • Adjust operating parameters to optimize energy efficiency.
  • Coordinate chiller staging, sequencing, and load balancing.
  • Support seasonal startup/shutdown activities.

Skills

Chillers operation
Troubleshooting
Reading P&IDs
HVAC systems
Semiconductor facilities

Education

Bachelor's in Mechanical Engineering
High School Diploma

Tools

IBM Maximo

Job description

LotusWorks is seeking an experienced Master Chiller Mechanic to operate, maintain, troubleshoot, and optimize large-scale chilled water and refrigeration systems in a semiconductor manufacturing environment. You will ensure reliability and energy efficiency across cooling infrastructure and associated mechanical systems in a mission-critical setting.

The ideal candidate has advanced knowledge of industrial HVAC, refrigeration, and process cooling, with strong cross-disciplinary skills in

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