TL;DR

Principal Engineer, Platform & Infrastructure Security (AI): Securing and hardening our global AI infrastructure with an accent on identifying systemic risk across distributed systems and designing durable security architectures. Focus on writing production-grade code to strengthen the foundation of our GPU cloud.

Location: AMER; London; New York; Seattle

Company

Nscale is the GPU cloud engineered for AI, providing cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers.

What you will do

  • Lead security architecture and engineering initiatives across compute, networking, storage, and control plane systems.
  • Identify architectural and systemic risks in distributed, multi-tenant infrastructure.
  • Design and implement scalable security controls through code and automation.
  • Harden Kubernetes, virtualization layers, GPU workloads, and platform services.
  • Strengthen identity, authentication, authorization, and secrets management systems.
  • Conduct deep technical design reviews and threat modeling exercises.

Requirements

  • 10+ years of hands-on security engineering experience in cloud, hyperscale infrastructure, or large distributed systems.
  • Strong software engineering background with proficiency in Go, Python, Rust, or similar languages.
  • Deep expertise in Linux systems internals, Kubernetes and container security, Infrastructure-as-Code (Terraform or equivalent), Cloud-native architectures, Network security and segmentation, and Identity and access management system.
  • Proven experience securing multi-tenant environments at scale.
  • Demonstrated ability to identify architectural risk and drive engineering-led remediation.
  • Experience mentoring engineers and contributing to hiring and team building.

Nice to have

  • Experience in GPU, HPC, or AI infrastructure environments.
  • Background in adversarial security research or red teaming.
  • Public speaking, industry contributions, or open-source security work.
  • Experience at a hyper-scale cloud provider or high-growth infrastructure company.

Culture & Benefits

  • Find a collaborative, supportive, and innovative environment where your contributions spark real impact.
  • Highly competitive package (base + equity) with reviews every 12 months.
  • Join the fastest-growing tech startup and collaborate with brilliant minds.
  • Expect a dynamic progression plan tailored to your ambitions.
  • Human-First Flexibility: Flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life's moments.
  • Join thriving remote-first team.