Principal Solutions Architect

Nscale is a London-based, full-stack AI cloud and infrastructure company that provides GPU compute, managed AI services, orchestration software, data centers, and power infrastructure for AI training, fine-tuning, and inference.

Series CRecently funded0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/25/2026

London, United Kingdom
About Nscale

Nscale builds and operates vertically integrated AI infrastructure spanning software, GPU compute, networking, storage, purpose-built data centers, and power. Its active cloud platform offers self-service inference endpoints, fine-tuning, managed Kubernetes and Slurm, virtual machines, and GPU clusters.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design end-to-end GPU infrastructure for AI workloads, translate customer requirements into technical architectures, and advise on trade-offs. You will validate GPU cluster performance, troubleshoot infrastructure issues, automate design and deployment workflows, and define storage, monitoring, and operational-readiness requirements.

Requirements

  • 10+ years of relevant solution architecture, infrastructure engineering, HPC, or large-scale data centre experience
  • Experience designing large-scale GPU infrastructure and AI or HPC solutions
  • Knowledge of GPU architecture, networking, bare-metal provisioning, Kubernetes, and Slurm
  • Experience with NCCL and GPU performance validation tools
  • Experience troubleshooting multi-node GPU clusters
  • Python or Go scripting and automation skills
  • Experience with Terraform and Ansible
  • Knowledge of AI workload storage technologies
  • Knowledge of PyTorch, DeepSpeed, or Megatron-style training stacks

Responsibilities

  • Design end-to-end GPU infrastructure solutions
  • Architect GPU clusters, network fabrics, storage, and orchestration layers
  • Translate customer requirements into technical architectures and reference designs
  • Advise customers on infrastructure design decisions and trade-offs
  • Plan deployments and validate performance, reliability, and operational requirements
  • Execute GPU-cluster acceptance and validation plans
  • Benchmark GPU performance and troubleshoot multi-node cluster issues
  • Automate architecture, bills of materials, network topologies, and deployment artefacts
  • Use infrastructure-as-code and scripting to streamline deployment
  • Define monitoring, observability, health-check, and operational-readiness requirements
  • Research emerging GPU, networking, storage, and AI infrastructure technologies

Benefits

  • Equity package
  • Compensation reviews every 12 months
  • Flexible work arrangements