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
Desired Attributes
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
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