Controls Engineer — Critical Facilities & Data Center Operations

About this role

Fluidstack is hiring a Controls Engineer to maintain and troubleshoot critical building management and automation systems in a 24/7 data center environment. You'll diagnose control faults across BMS/BAS platforms, PLCs, and field devices while supporting deployments and commissioning for massive-scale AI compute infrastructure.

What you'll do

• Maintain and troubleshoot BMS/BAS controllers, EPMS, PLCs, sensors, and control panels in mission-critical 24/7 operations
• Diagnose control faults using software front-ends and field instruments (multimeters, calibrators, clamp meters)
• Configure BMS platforms (Ignition, Metasys, Niagara, EcoStruxure) including point mapping, alarms, and setpoints
• Support PLC/HMI troubleshooting, PID tuning, and sequence development
• Contribute to commissioning, system integration, and maintain accurate as-built documentation
• Support real-time load control systems and infrastructure for 50GW+ data center deployments

What they're looking for

• BMS/BAS platform operation (Ignition, Metasys, Niagara, or EcoStruxure)
• PLC and HMI programming (Rockwell or Siemens preferred)
• Field diagnostics and instrumentation (multimeters, loop calibrators, clamp meters)
• Sequence of Operations comprehension and writing
• BACnet and Modbus protocols
• Data center or critical facilities controls experience
• NETA or commissioning methodology
• Rigorous documentation and as-built management

Benefits

• Competitive salary ($130,000–$180,000) plus equity compensation
• Health, dental, and vision insurance
• Retirement or pension plan aligned with local norms
• Generous PTO policy aligned with local norms
• Opportunity to work on civilization-scale AI infrastructure
• Autonomy and extreme ownership culture with fast-paced environment