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Engineering Site Lead

NS Demo· London, England, United KingdomEquitySponsorship
Posted 5 Aug 2026 · Added 5 Aug 2026, 17:02
AI summary

Work with AWS/GCP/Azure, Kubernetes, Terraform, CI/CD systems, GPU infrastructure, and ML training/inference pipelines to build and scale AI-powered search and knowledge tools. You will directly manage one or more infrastructure teams (5–15+ engineers, growing to 15–30+) as you establish Perplexity's London office.

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Engineering Site Lead

Perplexity

On-site London Full-time 30 days ago

Apply on Perplexity

Perplexity is revolutionizing how people discover and interact with information through AI-powered search and knowledge tools. As we expand our global footprint, we're establishing a strategic presence in London to drive innovation and growth across Europe.

The Role

We're seeking an exceptional Site Lead to establish and scale our London office. This is a unique opportunity to shape Perplexity's presence in one of the world's leading tech hubs, building teams and culture from the ground up while driving technical excellence in infrastructure and AI systems.

As Site Lead, you'll serve as the face of Perplexity in London, responsible for building our technical organization, fostering a world-class engineering culture, and directly managing one or more infrastructure teams. You'll report to senior leadership and work cross-functionally with teams across our global footprint.

The individual in this role will manage teams in LON themselves while also facilitating.

Responsibilities

Site Leadership & Culture

Establish and lead Perplexity's London office, setting the cultural foundation and operating principles

Build a collaborative, high-performance engineering culture that aligns with Perplexity's values while embracing the strengths of the London tech ecosystem

Serve as the primary point of contact for all London-based activities and represent the site in company-wide strategic discussions

Partner with People/HR, Finance, and Operations to ensure seamless site operations

Drive local community engagement, partnerships, and Perplexity's brand presence in the London and European tech community

Technical Leadership

Directly manage and mentor one or more infrastructure or AI infrastructure teams in London (5-15+ engineers)

Set technical direction and strategy for London-based infrastructure initiatives in alignment with company-wide goals

Drive architectural decisions and technical excellence across teams

Ensure robust systems for deployment, monitoring, scalability, and reliability of infrastructure supporting AI/ML workloads

Collaborate with engineering leaders globally to align on technical standards, best practices, and cross-site initiatives

Team Building & Talent

Build and scale high-performing infrastructure and AI infrastructure teams through strategic hiring

Develop and execute talent acquisition strategy for the London site in partnership with recruiting

Create career development frameworks and growth opportunities for engineers

Foster technical mentorship and knowledge sharing across teams and sites

Cross-functional Collaboration

Partner with Product, Engineering, and Research teams globally to understand infrastructure needs and deliver solutions

Coordinate with other site leads and engineering leaders to ensure effective cross-site collaboration

Contribute to company-wide infrastructure strategy and roadmap planning

Facilitate knowledge transfer and best practice sharing across global teams

Qualifications

Required

10+ years of experience in software engineering with 5+ years in infrastructure, cloud infrastructure, or AI infrastructure roles

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 technical expertise in distributed systems, cloud platforms (AWS, GCP, or Azure), and infrastructure automation

Experience with infrastructure supporting large-scale AI/ML systems, including:

GPU infrastructure and orchestration

ML training and inference pipelines

Model serving and deployment at scale

Strong understanding of modern infrastructure technologies: Kubernetes, Terraform, container orchestration, CI/CD systems

Demonstrated ability to set technical vision and drive execution across multiple teams

Excellent communication and stakeholder management skills

Experience working in fast-paced, high-growth technology companies

Passion for building inclusive, diverse, and high-performing teams

Preferred

Experience at companies focused on AI/ML, search, or large-scale consumer applications

Previous experience as a site lead, office lead, or similar multi-team leadership role

Background in building infrastructure for LLM training or inference

Contributions to open-source infrastructure or AI infrastructure projects

Experience scaling teams from 0 to 20+ engineers

Active involvement in the London or European tech community

MBA or advanced technical degree

What Success Looks Like

30 Days

Deep understanding of Perplexity's infrastructure, technology stack, and organizational structure

Established relationships with key stakeholders across engineering, product, and leadership

Initial hiring plan and culture strategy for London site established

Help the Search, API, AI and Infra teams build out their hiring pipelines

90 Days

Core infrastructure team established and ramping in London

Clear technical roadmap and priorities defined for London-based teams

Site culture and operating rhythms established (team meetings, all-hands, cross-site syncs)

London office actively participating in company-wide infrastructure initiatives

1 Year

London site operating as a high-functioning hub with 15-30+ engineers

Infrastructure teams delivering measurable impact on system reliability, performance, and scalability

Strong talent brand established in London market with healthy hiring pipeline

London recognized internally as a strategic site contributing to Perplexity's technical leadership

Why Join Perplexity

Ground-floor opportunity to build and lead a strategic site for a fast-growing AI company

Work on cutting-edge AI infrastructure challenges at massive scale

Shape the culture and technical direction of an entire office

Competitive compensation including equity

Comprehensive benefits package

Flexible work environment

Opportunity to make a significant impact on how millions of people access and interact with information

Location: London, United Kingdom (Hybrid)

Perplexity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Interested in this role?

Applications are handled on Perplexity's site.

Apply Now

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