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**Commissioning Lead (Mechanical) – Liquid Cooled Data Centres
****Silent Aire – Dublin
****What you will do
**We are seeking a Senior Mechanical Commissioning Engineer to own and lead the commissioning strategy for liquid‐cooled mechanical systems within next‐generation data centre deployments.
This role sits within a central commissioning function, responsible for developing commissioning methodology, authoring procedures, and ensuring consistent, high‐quality execution across regional site teams.The successful candidate will be a recognised technical authority in liquid cooling and mission‐critical mechanical systems, with the credibility and experience to govern commissioning activity from design review through IST, client demonstration, and handover.
**How you will do it
**Commissioning Strategy & Technical Leadership
* Develop and own the mechanical commissioning strategy for liquid‐cooled data centre products
* Define commissioning philosophy, test levels (L1–L5), hold points, and acceptance criteria
* Provide design-for-commissioning input during early design and product development phases
* Act as final technical authority for mechanical commissioning issues and risk resolutionSystems Scope
* Direct‐to‐Chip (DTC) liquid cooling systems
* Coolant Distribution Units (CDUs)
* Facility and secondary heat rejection systems (dry coolers, chillers, plate heat exchangers)
* Pumps, valves, pipework, filtration, water treatment
* Leak detection and containment systems
* Integration with IT thermal loads and controlsProcedure & Documentation Development
* Author and maintain: + Mechanical commissioning plans + Pre‐commissioning and flushing procedures + Pressure testing and leak testing scripts + Thermal performance and load validation test scripts
* Define measurable pass/fail criteria for all mechanical systemsSite & Regional Team Oversight
* Provide governance and technical oversight to regional mechanical commissioning teams
* Audit commissioning execution for compliance with strategy and standards
* Witness Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and critical onsite tests
* Support regional teams with complex fault finding and system tuningIntegrated Testing & Handover
* Collaborate with electrical and controls leads during: + Integrated Systems Testing (IST) + Failure‐mode and redundancy testing
* Support client demonstrations and formal handover
* Ensure readiness for live IT load introduction
**What we look for
**Required Experience & Qualifications
* 10+ years’ experience in mechanical commissioning of mission‐critical facilities
* Demonstrable experience commissioning liquid‐cooled data centre systems.
* Strong working knowledge of: + Hydronic system design and commissioning + Controls and BMS / PLC interaction + Redundancy and failure‐mode analysis
* Experience working across multiple geographies with regional teams
* Relevant engineering qualification (Mechanical Engineering or equivalent)Desired Attributes
* Calm and authoritative under pressure
* Strong technical documentation skills
* Pragmatic, outcome‐focused approach to commissioning
* Willingness to travel to support FATs and critical site activities
* Able to challenge unsafe or non‐compliant commissioning practices#AVRIL#LI-OnsiteYour 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. xcfaprz
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.
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Sprachkenntnisse
- English
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