Performance Specialist I - PI
jci
Full time
Commissioning Lead (Mechanical)
jci· IRL03 Silent-Aire Europe Limited
About this role
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 resolution
Systems 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 controls
Procedure & 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 systems
Site & 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 tuning
Integrated 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
- 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)
- 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-Onsite
Frequently Asked Questions
Is the salary disclosed for the Commissioning Lead (Mechanical) position at jci?
The salary for this Commissioning Lead (Mechanical) role at jci is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Commissioning Lead (Mechanical) position at jci located?
This Commissioning Lead (Mechanical) role at jci is based in Dublin-Dublin-Ireland. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Commissioning Lead (Mechanical) role at jci full-time or part-time?
This is listed as a Full time position. It is posted as a Commissioning Lead (Mechanical) role in the IRL03 Silent-Aire Europe Limited department at jci.
Which team or department does the Commissioning Lead (Mechanical) at jci belong to?
This Commissioning Lead (Mechanical) position is part of the IRL03 Silent-Aire Europe Limited department at jci. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Commissioning Lead (Mechanical) position at jci?
Click the "Apply Now" button on this page. You will be redirected to jci's official application portal hosted on workday where you can submit your application directly.
Commissioning Lead (Mechanical)
jci
You'll be redirected to jci's official application page on Workday.