Commissioning Lead

Winthrop Technologies is Europe’s only dedicated data centre delivery partner, offering full turnkey solutions from design through to construction and commissioning. Headquartered in Dublin, we deliver projects across Europe and have become the most trusted name in our sector.

We are seeking an experienced Commissioning Lead to join our team on a large-scale data centre project in Dublin This is a senior, site-based leadership role with overall responsibility for the planning, coordination, execution, and successful handover of all Mechanical and Electrical commissioning activities, including critical systems.

Responsibilities

• Commissioning Leadership & Strategy
• Lead and manage the end-to-end MEP commissioning strategy, from early design review through to IST, client acceptance, and final handover.
• Develop, manage, and maintain the integrated commissioning programme, aligning Mechanical and Electrical milestones with overall project delivery.
• Provide strategic oversight of commissioning risks, interfaces, and dependencies, proactively mitigating programme or technical impacts.

• Mechanical & Electrical Commissioning Oversight
• Lead, coordinate, and supervise all Mechanical and Electrical commissioning activities, including vendor-led works for CFCI and OFCI packages.
• Oversee commissioning of critical systems including:
• LV/MV/HV electrical systems, switchgear, UPS, generators, and protection systems
• Mechanical systems including HVAC, chilled water, pumps, controls, fire protection, fuel oil, and process water systems

• Ensure commissioning activities are executed in line with approved procedures, design intent, and contract requirements.

• Vendor & Stakeholder Management
• Act as primary commissioning interface with vendors, subcontractors, and client representatives.
• Plan, manage, and attend FATs, SATs, FWTs, and IST activities as required.
• Chair and lead daily, weekly, and milestone commissioning meetings, ensuring clear communication, accountability, and action closure.

• Quality, Safety & Compliance
• Ensure all commissioning works are carried out in strict accordance with EHS, QA/QC, and AP requirements.
• Coordinate closely with Project QA/QC and AP teams to achieve common safety, quality, and handover objectives.
• Ensure safe systems of work are implemented during all commissioning and energisation activities.

• Documentation, Reporting & Handover
• Oversee the preparation, review, approval, and close-out of all Mechanical and Electrical commissioning documentation, including:
• Test Scripts and Method Statements
• Compliance Statements and commissioning records
• Commissioning dossiers and handover packages

• Ensure all commissioning documentation is complete, accurate, and approved to achieve system and area sign-off.
• Prepare and issue weekly commissioning progress reports, highlighting risks, constraints, and mitigation measures to senior project management.

Requirements:
• Bachelor’s or Master’s degree in Mechanical Engineering, Electrical Engineering, Building Services Engineering, or equivalent trade qualification with significant commissioning leadership experience.
• 10+ years’ experience in commissioning roles within construction environments, with extensive MEP commissioning experience on large-scale projects.
• Proven experience leading commissioning on data centre, pharmaceutical, industrial, or mission-critical facilities.
• Strong working knowledge of:
• LV, MV, and HV electrical systems and testing & verification
• Mechanical systems commissioning and controls integration
• Integrated Systems Testing (IST) and phased energisation strategies

• Demonstrated ability to lead multidisciplinary teams, manage multiple vendors, and coordinate complex interfaces.
• Strong programme management, reporting, and stakeholder communication skills.
• Calm, authoritative leader capable of operating under pressure in live, high-risk environments.

Benefits:
• Opportunity to work on Europe's largest and most advanced data centre projects.

• Career growth and professional development in a fast-expanding sector.
• Competitive salary package.
• Supportive, dynamic, and collaborative team culture.

Winthrop Technologies ltd is an equal opportunities employer