Principal Infrastructure Engineer — AI-Driven Safety at Scale

Meta; Greater London; On-site; GBP 150,000 - 190,000; Full time

Job summary

Meta seeks principal engineers to lead high-impact integrity initiatives across global platforms. You will drive long-term technical vision, coordinate cross-functional teams, and mentor executives while shaping multi-year roadmaps that ladder to the company’s mission of safety and trust.

The role emphasizes AI-driven defenses and scalable systems, requiring outstanding engineering fundamentals and a proactive, impact-focused mindset.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience.
• 12+ years of programming experience in a relevant language or 8+ years of experience with a PhD.
• Experience mentoring/influencing executive stakeholders across organizations.
• Experience utilizing data and analysis to explain technical problems and provide detailed feedback and solutions.
• Experience driving large cross-functional, industry-wide engineering efforts.
• Experience communicating and working across functions to drive solutions.
• Proven track record of planning multi-year roadmaps in which short-term projects ladder to the long-term mission.

Responsibilities

• Drive the team's goals and technical direction to pursue opportunities that make your larger organization more efficient.
• Effectively communicate complex features and systems in detail.
• Understand industry and company-wide trends to help assess and develop new technologies.
• Partner and collaborate with organization leaders to help improve the level of performance of the team and organization.
• Identify new opportunities for the larger organization and influence the appropriate people for staffing and prioritizing these new ideas.
• Lead long-term technical vision and roadmap for large cross-company efforts.
• Suggest, collect and synthesize requirements and create an effective feature roadmap.
• Identify and resolve performance and scalability issues, and drive large efforts to reduce technical debt.

Skills

Executive stakeholder mentoring

Data-driven problem solving

Cross-functional leadership

Roadmap planning

Communication across functions

Large-scale engineering programs

Education

Bachelor's degree in CS/Engineering

PhD

Tools

C/C++

Java

Python

JavaScript

Job description

Meta seeks principal engineers to lead high-impact integrity initiatives across global platforms. You will drive long-term technical vision, coordinate cross-functional teams, and mentor executives while shaping multi-year roadmaps that ladder to the company’s mission of safety and trust.

The role emphasizes AI-driven defenses and scalable systems, requiring outstanding engineering fundamentals and a proactive, impact-focused mindset.