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FluidStack

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Principal Operations Engineer – Mechanical, Data Center Operations

OperationsOperationsFull TimeRemoteLeadTeam 11-50H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

66 days ago

Salary

$200K - $250K / year

Seniority

Lead

Bachelor Degree10 yrs expEnglish

Job Description

Principal Operations Engineer – Mechanical, Data Center Operations

FluidStack

• Serve as the principal operational technical authority for mechanical infrastructure across the fleet, including chillers, cooling towers, CRACs/CRAHs, CDUs (direct-to-chip and immersion), dry coolers, economizers, pumping systems, water treatment, and associated piping infrastructure. • Lead technical and operational site audits across active and pre-activation sites; produce operational health assessments with prioritized findings and own the remediation roadmap through closure with site leadership. • Own mechanical operational readiness for new sites coming online — assess team capability, validate procedures, and personally sign off on operational handover from commissioning to steady-state operations. • Review operational designs for new builds and capacity upgrades; represent the operational point of view in design forums and ensure operability, maintainability, and reliability concerns are surfaced and addressed before they are built in. • Feed structured operational learnings back into the design and manufacturing organization as we shift toward repeatable, productized data center builds; reinforce patterns that work and drive out patterns that have not held up in operations. • Author and approve high-risk MOPs, EOPs, and AOPs; serve as the final technical approver for high-consequence mechanical work across the fleet. • Lead root cause analysis for significant thermal or mechanical events; drive corrective actions through to closure and ensure learnings propagate across all sites. • Contribute to and uphold the mechanical safety program in partnership with EHS, with explicit accountability for refrigerant handling, confined space, LOTO, and high-pressure systems discipline. • Partner with QA/QC during construction to provide an operational perspective on workmanship, installation quality, and pre-energization readiness. • Build and deliver technical training to Field Engineers and operational teams; own the technical curriculum for mechanical content in the campus rotation and training model. • Mentor Field Engineers and rising operational leaders; act as the senior technical voice in operational reviews, incident reviews, and design reviews.

Job Requirements

  • 10+ years of hands-on experience in mission-critical mechanical and cooling systems, with at least 5 years as the senior technical voice on a site, campus, or fleet.
  • Data center operations experience strongly preferred; central plant, industrial cooling, pharmaceutical, or semiconductor mission-critical experience considered.
  • Deep working command of chilled water plants, condenser water systems, CDUs and liquid cooling, air handling, refrigeration cycles, and pumping and piping systems — earned in the field, not from a textbook.
  • Practical command of psychrometric charts, refrigeration cycles, and ASHRAE thermal guidelines for data center environments.
  • Demonstrated ability to author, approve, and execute high-risk MOPs and EOPs in live critical environments.
  • A track record of leading root cause analysis on significant thermal or mechanical events and driving corrective actions to closure.
  • A track record of holding OEMs, service vendors, and contractors accountable — you know how to enforce a standard without burning the relationship.
  • Strong written communication: operational health assessments, RCAs, procedure reviews, and design review feedback are second nature.
  • Comfort operating as the senior technical voice across operations, design, construction, hardware, and EHS.
  • Willingness to travel extensively across the fleet.

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.

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