Full-Time
Senior Mechanical Estimator
Winthrop Technologies
1,001-5,000 employees
Turnkey data centre construction contractor
No salary listed
Dublin, Ireland
In Person
 Facilities Operations (1) |
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- Previous experience managing a team of estimators.
- Ability to produce reports for management for bids and monthly meetings.
- Proficiency in Microsoft Word and Microsoft Excel, and in at least one widely used quantity-surveying bill-of-quantities production software package, such as Buildsoft or CostX.
- Knowledge of FIDIC contracts.
- At least 10 years of relevant estimating experience working on large projects.
- Lead the mechanical estimating function across complex and large-scale tenders and prepare accurate estimates based on drawings and specifications.
- Manage quantities and prepare pricing documents.
- Lead the development of detailed pricing for building elements from Irish and European subcontractors and suppliers.
- Conduct analysis using data to benchmark and justify subcontractor selections.
- Assist with maintaining the cost database.
- Present estimates to the Estimating Director and Board of Directors.
- Engage with and build relationships with key vendors, including subcontractors, suppliers, and engineers.
- Keep informed of industry trends, market developments, and pricing benchmarks.
- Lead the continuous development of procedures and quality-assurance standards across the department.
- Mentor, guide, and develop a high-performing team of estimators.
- Collaborate with Civil, Structural, and Architectural and electrical estimators to ensure a fully coordinated submission.
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
- Winthrop reported current projects across seven European countries and over 430MW.
- Frankfurt, 40 MW and Dublin, 96 MW show repeat hyperscale demand.
- Blackstone's 2024 partnership supplies capital for expansion into Europe's fast-growing AI buildout.
What critics are saying
- Frankfurt, Dublin, and Munich projects concentrate execution risk across a few giant programs.
- Blackstone's control pressures management to prioritize margins, not contractor relationships, by 2026.
- Any major delay or defect on 430MW-plus backlog damages client trust and future awards.
What makes Winthrop Technologies unique
- Winthrop executes turnkey data-center delivery, from design through commissioning, across Europe.
- Blackstone bought 50.7% in April 2024, validating Winthrop's platform and scale.
- Its engineer-led model and BIM-heavy delivery reduce contractor sprawl for hyperscalers.
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Benefits
Professional Development Budget
Growth & Insights and Company News
6 month growth
↑ 4%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