Senior Infrastructure Architect in London

Senior Infrastructure Architect in London

London Full-Time 100000 - 100000 £ / year (est.) No working from home possible
Sivara GmbH

At a Glance

  • Tasks: Design and support network architectures for large-scale GPU compute infrastructure.
  • Company: Stealth AI infrastructure company focused on building cutting-edge GPU compute solutions.
  • Benefits: Competitive salary, opportunity to shape future engineering standards, and work on innovative projects.
  • Other info: Be part of a groundbreaking project that defines the future of AI technology.
  • Why this job: Join a pioneering team and make a significant impact in the AI infrastructure space.
  • Qualifications: Deep experience in GPU clusters, InfiniBand, and multi-vendor networking required.

The predicted salary is between 100000 - 100000 £ per year.

Salary: £100,000 - 100,000 per year

Requirements

  • Deep experience in GPU cluster or HPC deployments.
  • Strong production experience with InfiniBand.
  • Experience operating RoCE v2 at scale.
  • Experience with Ethernet fabrics, including BGP, ECMP, and low-latency operations.
  • IPv6 and public ASN experience.
  • Multi-vendor networking experience across environments such as NVIDIA Mellanox, Arista, Juniper, Cisco, whitebox, or ODM hardware.
  • Experience from a neo-cloud, hyperscaler, major vendor, GPU infrastructure company, HPC platform, or AI infrastructure provider.
  • Direct experience working on real GPU deployments.
  • A background in relevant AI infrastructure, hyperscale, vendor, or HPC environments.
  • Not seeking single-vendor specialists or traditional enterprise networking profiles.

Responsibilities

  • Own network architecture across GPU fabric, InfiniBand, RoCE v2, Ethernet leaf-spine, edge connectivity, peering, observability, deployment standards, and operational handover.
  • Help define the standards future engineers will build and operate against.
  • Design and support network fabrics for large-scale GPU compute infrastructure.
  • Address network issues that can impact customer training workloads, including routing, congestion, and fabric design challenges.
  • Set the foundation for a new senior network function in our organization.

Technologies

  • AI
  • Cloud
  • Cisco
  • Ethernet
  • Fabric
  • Hardware
  • InfiniBand
  • Support
  • Network
  • Architect

We are a stealth AI infrastructure company building large-scale GPU compute infrastructure for frontier AI customers. We are creating AI factories at industrial scale, where network fabric is as critical as compute itself. This is our first senior network hire, and the role will shape the standards and foundation for future engineering. If you have built, deployed, or operated network fabrics for serious GPU infrastructure, this is a rare opportunity to help define one of the most ambitious AI infrastructure builds in the market.

Senior Infrastructure Architect in London employer: Sivara GmbH

As a pioneering AI infrastructure company, we offer an exceptional work environment that fosters innovation and collaboration. Our culture is built on the principles of creativity and excellence, providing employees with unique opportunities for professional growth while working on cutting-edge GPU compute infrastructure. Located in a vibrant tech hub, we empower our team to shape the future of AI technology, making this an exciting place for those seeking meaningful and impactful careers.

Sivara GmbH

Contact Details:

Sivara GmbH Recruitment Team

We think you need these skills to ace Senior Infrastructure Architect in London

GPU Cluster Deployment
HPC Deployments
InfiniBand
RoCE v2
Ethernet Fabrics
BGP
ECMP