IREN
Mechanical Systems Lead
Sweetwater, Texas · On site · Full-time · Posted May 27, 2026
- Experience
- 5+ years.
- Visa sponsorship
- IREN participates in E-Verify and will provide the federal government with Form I-9 information to confirm that applicants are authorized to work in the United States.
About the job
Operate and maintain a central utility plant and critical cooling infrastructure supporting liquid- and air-cooled data halls, protecting uptime, safety, and efficiency.
What you'll do
- Monitor plant and building automation systems, perform operating rounds, and respond to alarms.
- Troubleshoot systems, manage preventative maintenance, and coordinate contractors and vendors.
- Support capacity planning, reliability reporting, and infrastructure upgrades with engineering, IT, and leadership.
What they ask for
- Licensed or certified stationary or operating engineer credential (or equivalent); must maintain standing and meet site/authority requirements.
- 5+ years operating and maintaining industrial or mission-critical utility systems, including leading shift work and coordinating resources during abnormal conditions.
- Experience supporting liquid-cooled HPC or data center infrastructure and proficiency with BMS, SCADA, and/or PLC systems.
- Experience with thermal risk analysis, capacity modeling, energy-efficiency optimization, and preventative maintenance programs.
Nice to have
- 3rd Class Power Engineer certificate.
- Familiarity with water treatment and chemistry programs for condenser water, glycol/hydronic loops, and liquid-cooling systems.
Tools
BMS, SCADA, PLC, CDUs, PUE, WUE, VFDs
AI focus
The role supports critical cooling infrastructure serving AI data halls, but no direct AI development or operations work is specified.
Model-written summary · the original posting is authoritative