Commissioning Lead (Electrical)

Johnson Controls; Dublin; On-site; EUR 90,000 - 140,000; Full time

Job summary

Silent Aire is seeking a Senior Electrical Commissioning Engineer to lead the commissioning strategy for data centre electrical infrastructure at sites in Ireland. You will define energisation sequences, safety philosophies, and testing criteria while coordinating with mechanical teams to support high-density IT loads.

The role sits within a central commissioning team, providing standards, governance, and technical assurance across regional deployments and client demonstrations.

Qualifications

• 10+ years’ experience commissioning critical power systems for data centres.
• 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.
• HV authorisation or equivalent experience highly desirable.

Responsibilities

• Define energisation sequences, safety and control philosophies.
• Own electrical commissioning strategy for the data centre product.
• Lead IST events and coordinate with mechanical commissioning.
• Witness critical energisation, power‑failure testing, and integrated tests.
• Ensure safe systems of work for HV/LV activities.
• Promote safety culture within commissioning environments.
• Review method statements, switching plans, and test documentation.
• Travel for FATs, IST, and critical onsite activities.

Skills

Electrical commissioning

Data centre expertise

Safety leadership

Stakeholder management

Technical writing

Project leadership

IST coordination

SCADA/EPMS monitoring

Education

Electrical engineering degree

Tools

SCADA

EPMS

Job description

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

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