Senior Global Mechanical Commissioning Lead, Data Centers

Clear-Engineering-Recruitment; Dublin; On-site; EUR 120,000 - 140,000; Full time

Benefits offered by this job

Yearly bonus

Pension

Company car

Benefits

Job summary

Clear, a global leader in mission-critical data centre solutions, is seeking a Senior Mechanical Commissioning Manager to join its international function in Ireland. You will drive commissioning excellence across large-scale projects, shaping strategies from planning through handover and supervising global teams.

The role requires a Mechanical Engineering degree and 10+ years in commissioning or engineering, with strong HVAC and data-centre experience.

Qualifications

• Degree in Mechanical Engineering or similar.
• 10+ years’ experience in mechanical commissioning and/or engineering.
• Strong background in data centres or mission-critical facilities.
• Strong understanding of HVAC, cooling and critical mechanical systems.
• Project management experience or certification (or equivalent practical experience).

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.

Skills

Mechanical commissioning

Leadership

Project management

HVAC

Education

Degree in Mechanical Engineering

Job description

Clear, a global leader in mission-critical data centre solutions, is seeking a Senior Mechanical Commissioning Manager to join its international function in Ireland. You will drive commissioning excellence across large-scale projects, shaping strategies from planning through handover and supervising global teams.

The role requires a Mechanical Engineering degree and 10+ years in commissioning or engineering, with strong HVAC and data-centre experience.