Critical Facilities Engineer

Critical Facilities Engineer (Shift Lead)

Key Points

• Location: Dundee, Scotland (Onsite)
• Position: Permanent
• Salary: £50,500 to £58,500 per annum

Overview

We are seeking experienced Critical Facilities Engineers (Shift Leads) to support the operation and maintenance of essential mechanical and electrical infrastructure within a high-availability data centre environment.

As the engineering lead on shift, you will be responsible for ensuring critical power, cooling, and life-safety systems operate safely and reliably while supervising technicians and coordinating first-response activities during incidents.

This is an excellent opportunity for experienced engineers from data centres, hospitals, utilities, manufacturing, or other mission-critical environments looking to progress their careers within a rapidly growing sector.

Key Responsibilities

• Lead all engineering activities during designated shift periods, acting as the senior technical representative within a live mission-critical environment.
• Operate, monitor and maintain critical electrical and mechanical infrastructure including UPS systems, standby generators, HV/LV distribution equipment, switchgear, transformers, PDUs, CRAC/CRAH units, chillers, pumps and associated building services plant.
• Perform routine inspections, operational checks and condition monitoring activities to ensure the reliability and availability of critical infrastructure.
• Coordinate and oversee planned preventative maintenance activities, ensuring all work is completed safely and in accordance with approved procedures.
• Respond to infrastructure alarms, equipment failures, power events and cooling incidents, taking ownership of fault diagnosis, escalation and service restoration activities.
• Act as the first point of technical escalation during critical incidents, ensuring effective communication, coordination and resolution.
• Carry out fault-finding and troubleshooting across electrical, mechanical and control systems, identifying root causes and supporting long-term corrective actions.
• Support and participate in switching operations, isolations and maintenance activities in accordance with site safety procedures and operational standards.
• Review, author and execute maintenance procedures, permits to work, risk assessments, Methods of Procedure (MOPs), Standard Operating Procedures (SOPs) and Emergency Operating Procedures (EOPs).
• Supervise technicians, specialist vendors and contractors working within live critical environments, ensuring compliance with site standards and safe systems of work.
• Utilise DCIM, BMS and environmental monitoring platforms to assess infrastructure performance, identify emerging risks and support operational decision making.
• Maintain accurate shift logs, maintenance records, incident reports and asset documentation, ensuring all activities are correctly recorded and communicated during shift handovers.
• Support capacity management, power utilisation reviews and cooling performance monitoring to ensure infrastructure remains resilient and fit for future growth.
• Assist with root cause analysis investigations following equipment failures or operational incidents, implementing corrective and preventative actions where required.
• Drive high standards of operational excellence, housekeeping, safety and regulatory compliance throughout the facility.
• Support emergency response activities and business continuity procedures to maintain the availability and resilience of critical services.
• Mentor junior engineers and technicians, sharing technical knowledge and helping to develop the next generation of critical facilities professionals.

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