Principal Operations Engineer, Mechanical
About The Position
Fluidstack is seeking a Principal Operations Engineer, Mechanical to serve as the most senior technical authority for operational mechanical and cooling infrastructure across their hyperscale AI data center fleet. This role involves leading site assessments, operational audits, and driving technical readiness for new sites. The engineer will review designs from an operational perspective, provide feedback for future iterations, and be a key voice on chillers, cooling towers, CDUs, and liquid-cooling architectures. The position owns mechanical operational readiness and the handover process from commissioning to operations for new sites, and is responsible for authoring and approving high-risk mechanical MOPs, EOPs, and AOPs, as well as leading root cause analysis for significant cooling events.
Requirements
- A career spent on critical mechanical systems with a focus on thermal precision for AI workloads.
- Command of chilled water, chillers, cooling towers, CRAH/CRAC, pumps, CDUs, and direct liquid cooling in live environments.
- Experience authoring and executing high-risk mechanical MOPs and leading root cause analysis on significant cooling events.
- Ability to assess operational readiness at any site, audit the posture, and raise the standard.
- Experience teaching and building the mechanical readiness of teams ahead of activation.
Nice To Haves
- Hyperscale or large colocation experience at hundreds of MW.
- Direct liquid cooling and CDU operations experience.
- Familiarity with ASHRAE TC 9.9.
- Chilled water plant optimization experience.
- Uptime Institute knowledge.
Responsibilities
- Serve as the most senior technical authority for operational mechanical and cooling infrastructure across the hyperscale AI data center fleet.
- Lead site assessments and operational audits, and drive team technical readiness ahead of site activation.
- Review designs and specifications from an operational lens, and feed operational learnings back into design and manufacturing as the build model becomes productized.
- Be the senior voice on chillers, cooling towers, CDUs, and the liquid-cooling architectures AI infrastructure depends on.
- Own mechanical operational readiness and the commissioning-to-operations handover for new sites.
- Author and approve high-risk mechanical MOPs, EOPs, and AOPs, and lead root cause analysis on significant cooling events.
Benefits
- Competitive total compensation package (salary + equity).
- Retirement or pension plan, in line with local norms.
- Health, dental, and vision insurance.
- Generous PTO policy, in line with local norms.
- Equity in the form of restricted stock units.
- Commitment to pay equity and transparency.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
Education Level
No Education Listed
