Authorised Person
About the job
- Relevant third-level certificates in Electrical Engineering or Building Services Engineering, or an electrical trade qualification with relevant training and experience.
- At least five years of experience in a similar role within an electrical contracting environment, including experience on commercial, industrial, pharmaceutical, or data centre projects.
- Experience working on medium-voltage or high-voltage systems and experience as an Authorised Person or Appointed Person.
- Preferably, level S1 qualification permitting work on any voltage, or S2 qualification permitting work up to 1000V.
- At least three 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 with the Site Management team early in the project to establish the agreed Electrical Safe Systems of Work Procedure under the instruction of the Lead Appointed Person.
- Ensure workplace personnel are aware of and comply with the Electrical Safe Systems of Work.
- Issue and control permits for all energised working activities within the scope of work.
- Review and 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 carry out early reviews and agree commissioning sequences and test scripts.
- Liaise with control system providers, including SCADA, BMS, and EMS providers, on system handover under permit-control schedules and protocols.
About the company
Winthrop Technologies provides end-to-end data centre construction as a general contractor in Europe, handling design, civil, structural, architectural, mechanical, electrical, and commissioning work for hyperscale and colocation clients. It delivers projects from concept through commissioning, using Building Information Modeling (BIM) and off-site fabrication to speed delivery and reduce on-site contractor complexity. The company differentiates itself with an engineer-led approach, early BIM adoption, modular construction, and a focus on rapid delivery of mission-critical facilities across eight European countries. Its goal is to scale a European data centre delivery platform with large-scale, high-quality projects while growing its footprint and maintaining leadership continuity, supported by a strategic Blackstone partnership.
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