Authorised Person
About the job
- Relevant third-level certificates in Electrical Engineering or Building Services Engineering, or an Electrical Trade with relevant training and experience.
- At least 5 years of experience in a similar role within an electrical contracting environment, with experience on commercial, industrial, pharmaceutical, or data centre projects.
- Experience working on medium-voltage and high-voltage systems, including Authorised Person or Appointed Person experience.
- Preferably level S1, allowing work on any voltage, or S2, covering up to 1000V.
- At least 3 years of Electrical Testing and Verification experience.
- High-voltage switching tickets.
- A process-driven approach focused on environmental, health and safety and quality work-management systems and processes.
- Engage early in the project with the Site Management team on the agreed Electrical Safe Systems of Work Procedure under instruction from the Lead Appointed Person.
- Ensure all workplace personnel are aware of and comply with the Electrical Safe Systems of Work.
- Issue and control permits for all energised working activities within scope.
- Review and fully understand project specifications and drawings, and extract project-specific requirements.
- Follow operational procedures and adhere to high-voltage safety rules.
- Interpret basic electrical protection under fault conditions.
- Complete safety documents and lockout/tagout procedures and philosophies.
- Review switchgear distribution topology and controls before start-up.
- Support and liaise with specialist Testing and Commissioning contractors to conduct early reviews and agree commissioning sequences and test scripts.
- Liaise with Control System providers, including SCADA, BMS, and EMS providers, to develop the system handover under permit-control schedules and protocols.
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
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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.
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Benefits
Professional Development Budget
Growth & Insights and Company News
6 month growth
6%1 year growth
4%2 year growth
4%Winthrop Technologies receives British Safety Council International Safety Award. Winthrop Technologies is proud to have received the International Safety Award from the British Safety Council, recognising outstanding Environmental, Health & Safety (EHS) performance at its project site in Amsterdam. The 2026 International Safety Awards recognise organisations worldwide for excellence in preventing workplace injuries and illness, and for promoting overall wellbeing. Winthrop's achievement highlights the exemplary safety standards maintained and the robust safety record delivered despite an incredibly complex working environment. Located adjacent to the Schiphol Airport runway, the Amsterdam project operated under highly constrained conditions. The team successfully navigated strict airport controls and limited crane lift windows that were frequently rescheduled or cancelled due to changing air traffic. Through close coordination with airport authorities, the project team continuously adapted construction activities, ensuring safe operations while maintaining steady project progress. The award was accepted by Niall Tuffy, Regional H&S Manager, and Sean O'Sullivan, Project Manager, on behalf of the Amsterdam project team. "The British Safety Council applauds Winthrop on this achievement," said Mike Robinson, Chief Executive of the British Safety Council. "The award recognises their commitment and hard work to keep employees and workplaces free of injury and ill health." This recognition reflects the resilience, professionalism, and deeply ingrained safety-first culture demonstrated by its team throughout the entire project lifecycle. Winthrop Technologies extends its warmest congratulations to everyone involved in achieving this outstanding result.
Winthrop Engineering and Contracting Limited also received a Consistent High Achiever Award, which is awarded to companies who achieve a Distinction or above for five consecutive years.
Sources have told the Business Post the transaction values Winthrop at more than €800 million