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Mechanical Commissioning Manager

APPLY Job Description

Senior Mechanical Commissioning Manager

Data Centre Sector - Ireland

€120,000 - €140,000 Yearly Salary

Lucrative Yearly Bonus

Car Allowance

Per Diem/Travel Allowance

Private Healthcare

Pension

Global Position

The Opportunity

Clear are currently supporting a leading global organisation within the mission-critical data centre sector in the search for a Senior Mechanical Commissioning Manager to join their global function.

This is a senior-level appointment responsible for driving mechanical commissioning excellence across complex, large-scale infrastructure projects on a global basis.

Key Responsibilities

Lead and support global mechanical commissioning activities across multiple live projects

Develop and implement standardised mechanical commissioning strategies from planning through to handover (L0-L6)

Act as subject matter expert across mechanical systems within mission-critical environments

Ensure alignment of mechanical design intent with operational performance requirements

Oversee commissioning of critical mechanical plant and equipment including HVAC, cooling, chilled water, pumps, CRAH/CRAC units and associated systems

Drive commissioning planning, scheduling, sequencing, and tag management

Lead technical validation workshops and system completion planning sessions

Ensure strict adherence to safety systems including PTW, SSOW, and LOTO

Manage OFCI / CFCI vendor and contractor interfaces across complex delivery environments

Develop and review commissioning documentation, test scripts, method statements, and procedures

Oversee equipment start-up, pre-functional checks, functional testing, performance testing, and integrated systems testing

Manage punch lists, defect resolution, and structured close-out processes

Support QA/QC teams to ensure quality-led commissioning delivery and minimal rework

Drive data-led decision making using completion and commissioning tracking systems

Identify and mitigate risks across mechanical commissioning execution and system handover

Provide leadership to commissioning teams and underperforming stakeholders where required

Desired Experience

Degree in Mechanical Engineering or similar preferred

10+ years' experience in mechanical commissioning and/or engineering within complex infrastructure environments

Strong background in data centres or mission-critical facilities highly desirable

Strong understanding of HVAC, cooling, chilled water and critical mechanical systems

Experience across industrial sectors such as oil & gas, power, pharma, or large-scale infrastructure advantageous

Proven experience leading commissioning teams in a matrix or multi-stakeholder environment

Strong understanding of project delivery from planning through commissioning and handover

Project management experience or certification (or equivalent practical experience)

For more information, please reach out to - will.hennessy@clear-er.com

INDGLO

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