Commissioning Lead (Electrical)

. 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 buildings have a purpose. They are places for people to live or work. Facilities for learning or healing. Venues for entertainment and shopping. Sites for the specialized storage of tangible goods or mission-critical data. Your buildings have a huge variety of functions; they are central to your mission. This is where Johnson Controls comes in, helping drive the outcomes that matter most. Through a full range of systems and digital solutions, we make your buildings smarter. A smarter building is safer, more comfortable, more efficient, and, ultimately, more sustainable. Most important, smarter buildings let you focus more intensely on your unique mission. Better for your people. Better for your bottom line. Better for the planet.At Johnson Controls, we've been making buildings smarter since 1885, and our capabilities, depth of innovation experience, and global reach have been growing ever since. Today, we offer the world's largest portfolio of building products, technologies, software, and services; we put that portfolio to work to transform the environments where people live, work, learn and play.