Principal Mechanical Operations Lead Data Center Operations

Fluidstack is focused on building civilization-scale infrastructure for AI, aiming to enhance human freedom through powerful AI technology. They are seeking a Principal Mechanical Operations Lead to oversee operational mechanical and cooling infrastructure across their hyperscale AI data center fleet, ensuring readiness and excellence in operations. ResponsibilitiesServe as the most senior technical authority for operational mechanical and cooling infrastructure across the hyperscale AI data center fleetLead site assessments and operational audits, and drive team technical readiness ahead of site activationReview designs and specifications from an operational lens, and feed operational learnings back into design and manufacturing as the build model becomes productizedBe the senior voice on chillers, cooling towers, CDUs, and the liquid-cooling architectures AI infrastructure depends onOwn mechanical operational readiness and the commissioning-to-operations handover for new sitesAuthor and approve high-risk mechanical MOPs, EOPs, and AOPs, and lead root cause analysis on significant cooling eventsSkills You've spent a career on critical mechanical systems and you treat thermal precision as non-negotiable for AI workloadsYou command chilled water, chillers, cooling towers, CRAH/CRAC, pumps, CDUs, and direct liquid cooling in live environmentsYou've authored and executed high-risk mechanical MOPs and led root cause analysis on significant cooling eventsYou assess operational readiness at any site, audit the posture, and raise the standardYou teach and build the mechanical readiness of teams ahead of activationBonus: Hyperscale or large colocation at hundreds of MWDirect liquid cooling and CDU operationsASHRAE TC 9.9Chilled water plant optimizationUptime InstituteBenefitsOffers EquityRetirement or pension plan, in line with local norms.Health, dental, and vision insurance.Generous PTO policy, in line with local norms.Company Overview Fluidstack accelerates the worlds most ambitious AI projects by removing the bottlenecks to compute. It was founded in 2017, and is headquartered in London, England, GBR, with a workforce of 51-200 employees. Its website is http://www.flare-global.com. Company H1B SponsorshipFluidstack has a track record of offering H1B sponsorships, with 8 in 2026, 1 in 2025, 2 in 2024. Please note that this does not guarantee sponsorship for this specific role. .