Senior Chiller Technician III: Liquid Cooling Lead Onsite

Iris Energy; Childress (TX); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Paid time off (PTO) & holidays

Disability insurance

Wellness resources

Job summary

IREN is seeking a Senior Chiller Technician III to operate the central utility plant at our West Texas and Oklahoma campuses. You will manage centrifugal, screw, and air-cooled chillers, cooling towers, and immersion cooling loops on a rotating shift.

You will act as on-shift technical lead, resolve complex faults, interpret drawings, and ensure safe procedures in a high-demand, 100% renewable environment.

Qualifications

• 5+ years of hands-on HVAC/chiller maintenance experience.
• EPA 608 Universal certification required.
• Ability to read mechanical drawings and control sequences.
• Direct experience with direct-to-chip and immersion cooling systems.

Responsibilities

• Operate and monitor central utility plant on assigned shifts.
• Perform preventive maintenance and document compliance.
• Troubleshoot direct-to-chip cooling infrastructure and CDUs.
• Lead on-shift technical guidance to junior technicians.
• Escalate high-risk issues per SOPs and safety rules.
• Maintain CMMS records and asset histories.

Skills

HVAC troubleshooting

Chiller systems

CMMS usage

BMS familiarity

Reading P&IDs & drawings

Safety procedures

12-hour shift readiness

Education

High school diploma or equivalent

HVAC trade school or associate degree preferred

EPA 608 Universal certification

NATE/RETA/HC journeyman or Texas license

Tools

BMS

CMMS

Job description

IREN is seeking a Senior Chiller Technician III to operate the central utility plant at our West Texas and Oklahoma campuses. You will manage centrifugal, screw, and air-cooled chillers, cooling towers, and immersion cooling loops on a rotating shift.

You will act as on-shift technical lead, resolve complex faults, interpret drawings, and ensure safe procedures in a high-demand, 100% renewable environment.