Critical Facilities Engineer IV

Who are we?

Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet. A place where bold ideas are welcomed, human connection is valued, and everyone has the opportunity to shape their future. Joining our operations team means being at the center of everything – maintaining and evolving critical infrastructure that powers the digital world and delivers real impact for our customers, communities and society.

You’ll find belonging, purpose, and a team that welcomes you, because when you feel valued you’re empowered to do your best work.

As a Critical Facilities Engineer, you will be responsible for the operation, maintenance, and reliability of mission‑critical data centre infrastructure, with a strong focus on electrical and mechanical systems. You will support 24/7 operations by ensuring all critical systems are maintained in line with Equinix standards, procedures, and safety requirements. Working within a live, always‑on environment, you will exercise sound technical judgment when responding to alarms, incidents, and maintenance activities, while collaborating closely with internal teams and external vendors.

This role supports site resilience, availability, and continuous improvement across a high‑availability IBX data centre.

• Operate, monitor, and maintain critical electrical and mechanical infrastructure, including power distribution, backup power systems, HVAC, fire suppression, and life‑safety systems
• Perform planned preventative maintenance (PPM) and corrective maintenance on critical and non‑critical systems
• Monitor the Building Management System (BMS) and respond to alarms, faults, and events requiring technical judgement
• Operate critical infrastructure in accordance with standard operating procedures (SOPs), method statements, and maintenance operating procedures (MOPs)
• Support energy efficiency and reliability initiatives across site infrastructure

• Respond to infrastructure incidents, failures, degraded conditions, and operational risks
• Identify Single Points of Failure (SPOFs) and make recommendations to improve system resilience
• Support root cause investigations and corrective actions following incidents

• Support and oversee vendor maintenance and project activities within live environments
• Review and approve work using permits, RAMS, and MOPs
• Conduct start‑of‑work briefings and post‑work reviews to ensure tasks meet Equinix standards
• Support updates to as‑built documentation, drawings, and technical records

• Execute work orders, minor installs, and infrastructure changes
• Support site projects and upgrades across electrical and mechanical systems
• Troubleshoot auxiliary and site‑support equipment to minimize operational impact

• Work collaboratively with other Critical Facilities Engineers to resolve technical issues
• Provide informal guidance or mentoring on general Critical Facility activities
• Communicate inventory and spares requirements to maintain readiness
• Write Standard Operating Procedures and Emergency Operating Procedures when required

• Strong experience working in data centres or other mission‑critical environments (e.g. hospitals, utilities, industrial sites)
• Solid understanding of electrical distribution systems, backup power, and supporting mechanical cooling plant
• Experience operating live infrastructure in accordance with formal procedures and permits
• Able to work effectively as part of a team or independently within a 24/7 shift rotation
• Calm, methodical approach to incident response and fault resolution

• Electrical or technical qualification, or equivalent proven experience
• Several years’ hands‑on experience in critical facilities, engineering, or infrastructure operations

At Equinix, Critical Facilities teams operate some of the world’s most resilient digital infrastructure. You’ll work in a safety‑first, process‑driven environment, with access to modern systems, clear…