Fluidstack

The Security Engineer will track advanced adversaries targeting frontier AI infrastructure, build intelligence pipelines, conduct threat hunts, and create production detections. The role requires hands-on malware and infrastructure analysis, production programming, and close collaboration with detection and incident response teams.

Leads global corporate accounting close activities, accounting policy, audit readiness, and scalable process automation while managing corporate and shared-services teams. Requires public or pre-IPO technology-company experience, Big Four and in-house accounting background, US GAAP expertise, and a CPA license.

This principal-level role owns operational excellence for a hyperscale AI data center network fleet, leading readiness, high-risk changes, audits, and incident resolution across sites. It requires extensive mission-critical network operations experience, routing and optical networking expertise, and 50–75% travel.

Senior counsel will lead legal strategy and negotiations for real estate transactions supporting Fluidstack’s data center buildout. The role requires an actively licensed attorney with deep experience in complex real estate development matters, strong commercial judgment, and the ability to manage counsel and cross-functional deals.

Counsel will lead energy agreements and regulatory matters supporting Fluidstack’s large-scale data center expansion. The role requires an actively licensed attorney with substantial experience negotiating power, utility, generation, or related infrastructure agreements.

Counsel will lead commercial agreements and complex negotiations supporting Fluidstack’s data center buildout, while managing outside counsel and advising business leaders. The role requires an actively licensed attorney with substantial experience handling sophisticated, high-stakes commercial transactions.

Build production software primitives, domain models, integrations, and agent infrastructure for AI data-center projects. The role requires strong abstraction and domain-modeling skills, experience with unstructured data, and fluency with modern AI coding tools.

Build foundational infrastructure platforms and operational tooling for global data center operations, including CMDB, DCIM, asset management, automation, and observability systems. Requires 3+ years of production software development experience and strong Python or Go skills.

Technical leader owning compute qualification, first-silicon and new-platform validation, test automation, and root-cause failure analysis for AI compute infrastructure. Requires senior hardware validation or systems engineering experience with early hardware qualification and automation ownership.

Lead 24/7 operations of critical data center infrastructure for AI compute sites, including electrical, mechanical, cooling, safety, hardware/network repair, incident response, and team leadership while sites are still under construction. Requires deep experience running contractual-availability facilities, technical infrastructure knowledge, and building high-performing teams.

Own the architecture and deployment of dense, liquid-cooled rack-scale AI compute products while leading electrical, mechanical, thermal, and integration engineers. The role requires 10+ years of rack-scale systems architecture experience and a record of shipping NVL-class or equivalent products.

Leads architecture, modeling, protection, and safety-case development for MVDC distribution systems powering gigawatt-scale AI campuses. Requires 12+ years in power systems or power electronics, direct MVDC/HVDC design experience, EMT simulation expertise, and technical team leadership.

Leads Fluidstack’s NPI function, building stage-gate and manufacturing-transfer processes while managing a TPM team and portfolio of hardware programs spanning compute and power equipment. Requires 10+ years in hardware NPI or program management and 3+ years leading TPM or NPI teams.

Leads end-to-end architecture and hardware development for medium-voltage solid-state transformers supporting gigawatt-scale AI data centers. Requires 15+ years in power conversion, megawatt-scale converter experience, semiconductor strategy expertise, and leadership from architecture through working prototypes.

Leads product architecture, certification, and multidisciplinary design for LV/MV switchgear, BBU, and busway equipment powering AI data centers. Requires 12+ years of switchgear design experience, product-line ownership, and successful NRTL listing and witness-testing leadership.

Leads silicon photovoltaic cell architecture, efficiency and cost roadmaps, loss modeling, pilot-to-production transfer, and supplier co-engineering for gigawatt-scale AI infrastructure. Requires 15+ years of PV cell technology experience and demonstrated production-scale architecture leadership.

Own cross-functional hardware NPI programs from kickoff through rate production, coordinating engineering, manufacturing, quality, and supply chain. The role requires 5–10 years of technical program management experience, an engineering degree, and strong judgment across schedule, risk, and design-change decisions.

Leads materials management for gigawatt-scale AI data center infrastructure, directing team priorities while personally recovering critical capital equipment delays. Requires 7–10+ years in global sourcing or capital-equipment supply chain, team leadership, supplier management, and engineering drawing literacy.

Operate, troubleshoot, and lead incident response for medium/high-voltage electrical systems (480V-15kV+) in live AI data centers under construction. Build procedures, train operators, and ensure zero-downtime for critical AI training workloads.

Leads fixed asset accounting for global data center infrastructure at a high-growth AI compute company, managing lifecycle from capitalization to impairment. Requires 7+ years experience with ASC 360, NetSuite, and GAAP/IFRS compliance for IPO readiness.

Own geotechnical engineering for 50GW+ data center development: lead subsurface investigations, interpret data for foundation and ground improvement decisions, perform fatal-flaw site screening, and coordinate with structural/civil/environmental teams across multiple states.

Own external connectivity, backbone capacity planning, and carrier negotiations for multi-GW AI training networks across data center campuses. Requires scaled carrier/long-haul experience, dark fiber procurement, and capacity planning.

Design, deploy, and standardize SCADA architecture and telemetry for real-time monitoring and control of power, cooling, and mechanical systems at gigawatt-scale AI data centers. Requires experience commissioning industrial control systems, integrating protocols, building trusted HMIs/alarms, and ensuring data quality for operations.

Own state and local policy agenda for AI data center infrastructure. Build relationships with officials and regulators while drafting testimony and navigating permitting and utility approvals.

Own public affairs and community relations for Fluidstack's data center and power infrastructure projects. Build local support through town halls and coalitions, manage media and opposition responses, and partner with internal teams to align external messaging with project realities.

Lead the build-out of a fleet-wide Enterprise Asset Management (EAM) and CMMS system from zero for a rapidly scaling data center operator. Own asset indexing, maintenance standards, program adoption, and data-driven reliability decisions across owned and colo sites.

Build and run the global spares sourcing program for critical datacenter equipment (chillers, generators, switchgear) at multi-GW scale. Qualify/dual-source suppliers, set stocking levels tied to failure data and criticality, negotiate VMI/consignment terms, and partner with reliability teams to ensure zero downtime from parts shortages.

Leads on-site deployment of data center physical infrastructure, managing contractors, performing QA/QC on fiber optics and cabling, and ensuring compliance with standards. Requires 5+ years experience, SME-level fiber optic expertise, bachelor's degree, and 40% travel readiness.

Supply Chain Buyer responsible for executing purchases, managing order books, resolving vendor issues, and maintaining ERP data accuracy to support rapid data center buildout for AI compute infrastructure. Requires experience as a buyer in fast-moving supply chains, heavy PO management, expediting, and strong ERP hygiene.

Own and maintain Primavera P6 CPM schedules, cost tracking, and productivity reporting for greenfield hyperscale data center construction projects. Drive critical path compression, lead reviews with GCs/executives, and deliver defensible as-built records on $500M+ programs.

Supports execution of structured finance deals including bond issuances, term loans, and project finance. Builds financial models, analyzes credit structures, coordinates diligence and legal workstreams for AI data center infrastructure financing. Requires 2-3 years in leveraged finance or structured credit.

Build and own production data pipelines, knowledge graph data models, and structured datasets from messy sources (PDFs, spreadsheets, telemetry) to power internal tools, dashboards, and ML models at a frontier AI compute infrastructure company. Requires experience operating depended-on pipelines, schema modeling, data quality engineering, and unstructured data extraction.

Drive adoption of an internal automation platform for AI infrastructure teams by running rollout, training, and enablement programs. Build frontend fixes (React/TS), prototype with AI tools, measure usage, and translate operational friction into shipped improvements.

Own and operate wireless/corporate networks (Wi-Fi, campus LAN, remote access) across multi-site offices and industrial environments for an AI compute infrastructure company. Requires experience designing/deploying Wi-Fi in challenging RF settings, strong automation skills, and a focus on reliable, "boring" networks.

Owns the master schedule and delivery roadmap for GW-scale data center builds. Leads project controls teams, manages schedules, claims, and risks, and provides schedule intelligence to support executive decisions.

Designs and validates structural systems for factory-built data center modules, including frames, enclosures, lifting, transport, and stacking structures. The role requires hands-on experience taking steel or sheet-metal products from concept through fabrication and production launch.

Designs and releases electrical systems for factory-built modular data centers, covering power distribution, grounding, controls, drawings, integration, prototyping, and production support. The role suits an engineer experienced with complex physical products, modular construction, or critical facilities.

Engineers and supports structural systems for modular data center products directly on a Phoenix manufacturing line, taking designs from released drawings through production and feeding manufacturing issues back into revisions. The role requires hands-on heavy fabrication or physical product experience and real-time nonconformance dispositioning.

Designs installation-level electrical and controls models, drawings, wiring diagrams, and fabrication packages for modular data center assemblies. The role requires hands-on electrical CAD experience, strong revision control, and knowledge of how panels and raceways are installed and built.

Creates fabrication-ready mechanical and structural models and drawings for modular data center units, covering steel, skids, piping, assemblies, and revision-controlled release packages. Requires hands-on fabrication detailing experience and knowledge of welds, bolts, tolerances, and manufacturing standards.

This role owns cooling, piping, and airflow systems for modular data center products from released drawings through rate production. The engineer works hands-on on the Phoenix manufacturing floor, leading first-article reviews, pressure tests, nonconformance disposition, and controlled design revisions.

The engineer owns electrical systems for modular data centers from released drawings through rate production, working directly on the Phoenix manufacturing floor to resolve issues and improve designs. The role requires hands-on production-line experience with electrical systems, drawing control, and launch support.

Engineers and validates PLC, BMS, sensor, and I/O controls for modular data centers on a Phoenix production line. The role requires hands-on commissioning, point-to-point checkout, loop checks, factory support, and rapid feedback into design revisions.

Owns engineering release and configuration management for serialized modular data center hardware, maintaining accurate drawings, BOMs, revisions, and change effectivity across production and fielded units. The role partners with design, supply chain, quality, and manufacturing to ensure production-ready releases.

As a Principal Operations Engineer, Mechanical, you will be the senior technical authority for mechanical and cooling infrastructure across hyperscale AI data centers. You will lead site assessments, drive operational readiness, review designs, and ensure precision execution of critical systems.

Fluidstack is seeking a Principal Operations Engineer, Electrical to be the senior technical authority for electrical infrastructure across their hyperscale AI data center portfolio. This role involves leading site assessments, driving technical readiness, reviewing designs, and feeding operational learnings back into the design and manufacturing organization.

Lead program management for a multi-GW portfolio of data center sites from LOI to operations handoff. Architect stage-gate frameworks, build tracking tools for 20+ concurrent projects, and coordinate with developers, utilities, legal, and finance to accelerate timelines to under six months. Requires building PM infrastructure for high-stakes capital projects and enforcing processes across non-reporting teams.

Leads commercial transactions to secure data center capacity and infrastructure, from market outreach through negotiation and contract execution. Partners with legal, finance, engineering teams to structure deals balancing speed, risk, and value.

Contracts Manager responsible for drafting, reviewing, negotiating, and managing commercial contracts end-to-end while building scalable AI-assisted processes and templates. Requires strong experience with standard commercial agreements, fast contract analysis, and process improvement.

Build and maintain internal tools, automation systems, data pipelines, and dashboards to streamline operations at an AI compute infrastructure company. Requires 1-4 years in fast-paced operations/consulting roles, strong programming skills (Python/SQL), and the ability to independently ship projects from ambiguous requirements.