Data Center Infrastructure Architecture, Lead

Fluidstack

$130K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Extensive experience architecting physical cable plants for large datacenter projects.
  • Proficient in designing high-density, high-speed cabling for 400G, 800G, or higher.
  • Ability to create repeatable reference architectures for widespread deployment.
  • Proven track record of specifying infrastructure for multiple hardware generations.
  • Experience leading teams and coordinating with vendors from design to execution.
  • Expertise in identifying potential design issues during reviews.
  • **Bonus:** Experience in AI or HPC networking and hyperscale cable plant standardization.

Responsibilities

  • Own the reference architecture for datacenter cable plants across ISP and OSP.
  • Design structured cabling for the latest high-density GPU fabrics.
  • Transform customized cable plant designs into standardized architectures for multiple sites.
  • Spec the physical infrastructure to withstand evolving GPU generations.
  • Set design standards and lead teams in the implementation of cable plant projects.

Benefits

  • Commitment to pay equity and transparency.
  • Opportunities for meaningful contributions to cutting-edge AI projects.
Full Job Description
How We Operate
  • - **Extreme ownership. ** Full autonomy. Own things end to end often taking on scope outside your core role without being asked to get things done.
  • - **Velocity. ** We drive everything forward as fast as possible.
  • - **First principles. ** Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.
  • - **Love of the game. ** The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.
The ICT Team

Examples of key problems the team is working on
  • - **Design the physical layer AGI is trained on.** ISP/OSP cable plants carry hundreds of thousands of fiber terminations per building, rail-optimized for the densest GPU fabrics ever built, at 800G today and 1.6T next.
  • - **One design, every site.** Turn the cable plant from a bespoke months-long exercise into a stamped reference architecture deployed across tens of gigawatts of capacity by 2027, validated once and built everywhere.
  • - **Design for silicon that doesn't exist yet.** Every GPU generation rewrites the density, optics, and pathway math, but the plant you spec must survive three of them.
Role Scope
  • - Own the reference architecture for the datacenter cable plant across ISP and OSP, from fiber counts and pathway design to the stamped design deployed at every site.
  • - Design structured cabling and connectivity for the densest GPU fabrics ever built, at 800G today and 1.6T next.
  • - Turn a bespoke, months-long cable plant design into a validated reference architecture that a team can deploy across tens of gigawatts of capacity.
  • - Spec the physical layer to survive multiple GPU generations, each of which rewrites the density, optics, and pathway math.
  • - Set the standards and lead the engineers and vendors who take the architecture from design to installed and tested across many concurrent builds.
What We're Looking For
  • **The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would.**
  • - You've architected the physical cable plant across ISP, OSP, structured cabling, and pathways for large datacenter or campus builds, not just designed a single room.
  • - You've designed for high-density, high-speed fabrics at 400G, 800G, or beyond and made the optics, fiber-count, and pathway calls yourself.
  • - You've turned a one-off design into a repeatable reference architecture that others deployed without you in the room.
  • - You've specced infrastructure that had to survive multiple hardware generations, and it did.
  • - You've led engineers and coordinated vendors and contractors to take a design from paper to installed and tested at scale.
  • - You catch the density, thermal, or pathway problem in design review, before it becomes a rip-and-replace in the field.
  • - **Bonus:** AI or HPC cluster networking. Rail-optimized GPU fabric topologies. BICSI RCDD or equivalent. Hyperscale or multi-site cable plant standardization. 1.6T optics roadmaps.


We are committed to pay equity and transparency.

You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [redacted] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

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