Site Lead (AI Infrastructure)

TL;DR

Site Lead (AI Infrastructure): Establishing and scaling the London office to drive innovation in AI-powered search with an accent on infrastructure and AI systems. Focus on building high-performance engineering teams, driving architectural decisions for ML workloads, and fostering a world-class technical culture.

Location: Hybrid (London, United Kingdom)

Company

Perplexity is revolutionizing how people discover and interact with information through AI-powered search and knowledge tools.

What you will do

• Establish and scale the London office, setting the cultural foundation and operating principles.
• Directly manage and mentor infrastructure or AI infrastructure teams (5-15+ engineers).
• Set technical direction and strategy for London-based infrastructure initiatives in alignment with company goals.
• Drive architectural decisions for GPU infrastructure, ML training, and inference pipelines.
• Partner with global Product, Engineering, and Research teams to deliver scalable AI/ML solutions.
• Execute talent acquisition and career development strategies for the local site.

Requirements

• 10+ years in software engineering, with 5+ years in infrastructure, cloud, or AI infrastructure.
• 3+ years of people management experience, including building and scaling teams.
• Proven track record of establishing or significantly growing an engineering site or office.
• Deep expertise in distributed systems, cloud platforms (AWS, GCP, or Azure), and infrastructure automation.
• Experience with GPU orchestration, ML training/inference pipelines, and model serving at scale.
• Proficiency with Kubernetes, Terraform, and CI/CD systems.

Nice to have

• Background in building infrastructure specifically for LLM training or inference.
• Experience scaling teams from 0 to 20+ engineers.
• Active involvement in the London or European tech community.
• MBA or advanced technical degree.

Culture & Benefits

• Ground-floor opportunity to shape the culture and technical direction of a strategic site.
• Work on cutting-edge AI infrastructure challenges at massive scale.
• Competitive compensation package including equity.
• Comprehensive benefits and a flexible work environment.