Principal Pre Sales Engineer

firstpointgroup · London, England ·

Last confirmed by our partners on 5 Nov 2026.

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NegotiableUnited Kingdom, UK

Permanent

Principal Pre-Sales Design Engineer – AI & Modular Data CentresAI is reshaping what a data centre needs to be, and the heat has to go somewhere. My client, a UK designer and manufacturer of prefabricated data centres and secure buildings, is hiring a senior engineer to lead the technical side of their bids for high-density and AI compute facilities, including work for a Tier 1 technology company. This is a hands-on role. You’ll own the design and the number, not just the slide. What you’ll doLead technical discovery with customers: rack densities, liquid/air heat split, resilience, footprint, security and growthPersonally design cooling for AI workloads: direct liquid cooling, CDUs, rear-door heat exchangers, chilled/warm water systems, with your own calcs on flow, pipe sizing and pump dutiesProduce CAD layouts, sections and schematics, and integrate M&E into prefabricated modules from factory to siteBuild detailed Excel pricing, challenge supplier quotes and separate base scope from optionsPresent and defend complete solutions to engineers, end customers and senior decision-makersCoordinate secure-building measures and NPSA requirements with security specialistsWhat you’ll bringSenior mechanical/building services design experience in data centres or critical infrastructureRecent, practical experience with high-density and liquid coolingProven personal CAD drawing and Excel estimating skillsConfidence in front of customersSecure building/NPSA experience, or the ability to pick it up quicklyNice to have: modular/prefab experience, defence or secure projects, existing UK clearance, CEng, Revit/BIM.Candidates must be willing to undergo UK security vetting.A rare chance to sit right where AI demand meets buildable engineering, with real influence on design and commercials. Interested? Message me directly or apply below for a confidential conversation.

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