General Commissioning Manager
No salary listed
Expert
Bachelor's
Dublin, Ireland
In Person
Architecture & Civil EngineeringConstruction Management
About the job
Requirements
- Proven experience delivering commissioning for hyperscale data centre projects, preferably with hyperscale clients.
- Strong mechanical, electrical, and plumbing background with deep understanding of mission-critical electrical and mechanical systems.
- Experience operating within hyperscale commissioning processes, governance, and reporting structures.
- Demonstrated leadership of Integrated Systems Testing in live or near-live environments.
- Experience working for a General Contractor on fast-track, large-scale data centre builds.
- Commissioning or data centre certifications.
- Experience with hyperscale campus-style developments and phased handovers.
- A highly structured and process-driven approach.
- Strong technical authority and decision-making capability.
- Strong coordination and stakeholder management skills.
- Clear, confident communication and client-facing experience.
- Ability to manage high-pressure testing windows and critical milestones.
Responsibilities
- Develop, manage, and execute the Project Commissioning Plan/Cx PoR in accordance with client commissioning requirements, specifications, and templates.
- Ensure alignment with project phase gates, readiness milestones, and acceptance criteria.
- Maintain compliance with project safety, quality, documentation, and change control processes throughout commissioning.
- Lead commissioning activities across electrical systems; mechanical systems; controls, EPMS, and BAS; and fire detection, suppression, and life safety systems.
- Develop detailed commissioning schedules aligned to the project baseline programme and turnover sequencing.
- Ensure commissioning readiness through structured pre-functional checks and system walkdowns in line with project procedures.
- Coordinate and manage the General Contractor responsibilities for Integrated Systems Testing planning, execution, and closeout in accordance with client test scripts and failure scenarios.
- Manage live testing activities, load bank testing, black building/black start testing, and redundancy validation.
- Coordinate all trades, vendors, OFCI representatives, and third-party commissioning agents during the commissioning process.
- Enforce the company’s safety-first culture during all commissioning and energisation activities.
- Review and approve commissioning method statements, risk assessments, and energisation plans.
- Actively manage commissioning risk registers and ensure issues are escalated and resolved in line with project requirements.
- Serve as the primary commissioning interface between the General Contractor, Microsoft, designers, subcontractors, vendors, and third-party agents.
- Chair regular commissioning and readiness meetings, tracking actions, constraints, and approvals.
- Support client-led audits, site walks, and readiness reviews.
- Ensure all commissioning activities comply with project specifications, local codes, and industry standards, including ASHRAE and CIBSE.
- Manage commissioning punch lists, defects, and non-conformances through to closure.
- Support progressive system acceptance and phased turnover strategies.
- Manage the production, review, and approval of commissioning documentation, including test scripts and procedures, test results, reports and deficiency logs, as-built records, O&M manuals, and asset data.
- Ensure documentation is delivered in accordance with client formatting, data standards, and digital platforms.
- Support training and transition to operations teams through the TOC process.
Desired Qualifications
- Degree in Mechanical, Electrical, or Building Services Engineering, or equivalent.
About the company
Winthrop Technologies acts as a European turnkey data centre constructor and general contractor, delivering end-to-end projects that cover design, civil, structural, architectural, mechanical, electrical, and commissioning services for hyperscale and colocation clients. Its approach centers on integrated delivery: projects are designed, built, and commissioned to meet mission-critical requirements, with BIM and off-site fabrication used to speed up delivery and reduce on-site complexity. The company differentiates itself through an engineer-led culture, early adoption of BIM and modular construction, and a focus on rapid delivery across eight European countries, complemented by a strategic Blackstone partnership that supports growth. Its goal is to build a scalable European data centre delivery platform that delivers high-quality, large-scale facilities while maintaining continuity in leadership and client relationships.
Company Size
1,001-5,000
Company Stage
Acquired
Total Funding
N/A
Headquarters
Dublin, Ireland
Founded
1995
Get referred to Winthrop Technologies
See people who can refer or advise you
Simplify's Take
What believers are saying
- July 2026 projects show active work in Italy, Netherlands, Finland, and Ireland.
- Winthrop still markets itself as Europe's leading dedicated turnkey data centre delivery provider.
- The 2024 Blackstone partnership supports funding for larger AI-driven data centre programs.
What critics are saying
- Winthrop's current portfolio is concentrated in hyperscale builds, exposing schedule and client concentration risk.
- Bertonico, Amsterdam, Kirkkonummi, Espoo, and Vaasa projects demand flawless commissioning in 2026.
- A major delay or cost overrun on one 96MW campus can damage Blackstone confidence.
What makes Winthrop Technologies unique
- Engineer-led delivery under Anne Dooley and Barry English still defines execution culture.
- Blackstone owns 50.7% since April 2024, signaling institutional backing and discipline.
- June 2026 chair appointment to Ulrich Spiesshofer strengthens governance for Europe expansion.
Help us improve and share your feedback! Did you find this helpful?
Benefits
- Professional Development Budget