Critical Operations Technician Job, Chicago

Critical Operations Technician (Data Centre)
📍 On-site | Competitive Pay | Mission-Critical Environment
Power the Infrastructure That Powers the World
An industry-leading data centre operator is looking for a Critical Operations Technician to join its growing team. This is an opportunity to work at the heart of a high-performance, always-on environment, where your expertise directly impacts uptime, resilience, and operational excellence.
If you thrive in fast-paced, hands-on technical roles and want to be part of a team that keeps critical infrastructure running 24/7 — this role is for you.
What You’ll Be Doing
As a Critical Operations Technician, you’ll take ownership of the day-to-day running of a mission-critical facility, ensuring all systems operate safely, efficiently, and without interruption.
🔧 Hands-On Technical Work

• Operate, monitor, and maintain electrical, mechanical, and control systems
• Quickly diagnose and respond to faults, alarms, and system abnormalities
• Execute planned and reactive maintenance to the highest standards

⚡ Electrical Systems

• Work across critical power infrastructure, including:
• UPS systems
• Switchgear
• PDUs and RPPs
• Support power distribution from utility to customer load

❄️ Mechanical & Cooling Systems

• Maintain complex cooling systems such as:
• Chilled water plants
• CRAH/CRAC units
• HVAC and air-side systems
• Chillers and fan wall systems

🔥 Fire Life Safety

• Oversee fire detection and suppression systems, including:
• Pre-action and wet sprinkler systems
• Ensure full compliance with safety standards

📊 Optimisation & Improvement

• Analyse system performance and identify efficiency improvements
• Contribute to continuous improvement across the facility
• Support upgrades and infrastructure projects

🏢 Site Operations

• Conduct routine inspections and facility walkdowns
• Maintain accurate logs and maintenance records (CMMS)
• Support incident response, reporting, and root cause analysis

What We’re Looking For
✅ Essential Experience

• 1–5 years in a data centre or mission-critical environment
• Strong working knowledge of:
• Electrical systems (UPS, transformers, ATS/STS, distribution)
• Mechanical systems (cooling infrastructure, HVAC, chillers)
• Experience with BMS/monitoring systems and CMMS platforms
• Ability to stay calm and effective under pressure

⭐ Desirable

• Experience in highly structured environments (e.g. military, critical engineering)
• Relevant technical qualifications or degree

What’s In It For You

• 💰 Competitive hourly rate ($40–$44)
• 📈 Work with cutting-edge, high-availability infrastructure
• 🧠 Opportunity to develop deep expertise in mission-critical environments
• 🤝 Join a collaborative, high-performing team
• 🛡️ Comprehensive benefits package

Working Environment

• 24/7 operational facility — shift work required (including nights/weekends/on-call)
• Hands-on, physical role in a live technical environment
• High-impact position where your decisions matter

Why Apply?
This is more than a maintenance role — it’s a chance to be part of the backbone of the digital economy. Every system you maintain supports businesses, cloud platforms, and critical services worldwide.
If you’re ready to step into a role where performance, reliability, and teamwork are everything, we want to hear from you.