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Posted 12 June, 2026

Commissioning Lead (Electrical)

Johnson Controls
Dublin, Dublin, Ireland Full Time
Reference: 2143941676

Commissioning Lead (Electrical) - Data Centres (Critical Power)

Silent Aire

Dublin

What you will do

We are seeking a Senior Electrical Commissioning Engineer to lead the commissioning strategy and execution governance of critical electrical infrastructure for advanced, liquid-cooled data centres.

This role is responsible for defining how power systems are safely energised, tested, integrated, and demonstrated-working closely with mechanical systems that support high-density IT loads.

The role operates within a central commissioning team, providing strategy, standards, and technical assurance across regional deployments.

How you will do it

Commissioning Strategy & Governance
  • Develop and own the electrical commissioning strategy for the data centre product
  • Define: Energisation sequences, Safety and control philosophies, Failure-mode and recovery testing scenarios
  • Act as escalation point for all electrical commissioning risks and issues


Systems Scope
  • MV / LV power distribution
  • UPS systems (static and/or rotary)
  • Standby generation and fuel systems
  • ATS / STS / switchgear
  • Busways and rack power distribution
  • Earthing and bonding systems
  • EPMS / SCADA integration


Procedure & Test Development
  • Author and approve:
    • Electrical commissioning scripts
    • Black-building and power restoration tests
    • Load bank and live IT load testing procedures
  • Define acceptance criteria aligned to uptime, redundancy, and safety requirements


Site & Regional Oversight
  • Govern commissioning execution carried out by regional electrical teams
  • Review method statements, switching plans, and test documentation
  • Witness critical energisation, power-failure testing, and integrated tests
  • Ensure consistent commissioning quality across regions and projects


Integrated Systems Testing (IST)
  • Lead electrical contribution to IST events
  • Coordinate with mechanical commissioning on:
    • Power failure impacts to CDUs and cooling systems
    • Control system fail-safe behaviours
  • Support client-witnessed testing and operational demonstrations


Safety & Compliance
  • Ensure safe systems of work for HV/LV activities
  • Enforce lock-out/tag-out, switching authority, and permit procedures
  • Promote a strong safety culture within commissioning environments


What we look for
  • 10+ years' experience commissioning critical power systems for data centres
  • Proven experience delivering Tier III / Tier IV or hyperscale facilities
  • Strong understanding of:
    • Electrical failure modes and redundancy testing
    • Load progression and ramp-up strategies
    • SCADA / EPMS monitoring and alarming
  • Relevant electrical engineering qualification
  • HV authorisation or equivalent experience highly desirable
  • Decisive, safety-led mindset
  • Strong stakeholder management skills
  • Excellent technical writing and procedural clarity
  • Comfortable challenging project pressure when systems are not ready
  • Willingness to travel for FATs, IST, and critical onsite activities


#AVRIL

#LI-Onsite

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