Principal Software Engineer Integrity and Security Strategy

Meta Careers; City of Westminster; On-site; GBP 120,000 - 180,000; Full time

Job summary

Meta seeks experienced engineers to join the Central Integrity team as Principal Engineer (Technical Leadership). You will own the multi-year strategy for account and entity compromise across the Family of Apps, collaborating with executive leadership and partner orgs to reduce real-world harm fastest.

You will protect user accounts and assets from adversaries, define harm metrics, and drive cross-functional programs that align integrity goals with product and business outcomes.

Qualifications

• 12+ years of experience building large-scale applications.
• A broad track record of programming experience across multiple stacks.
• 8+ years of web or mobile technologies experience.
• Experience communicating and working across functions to drive solutions.
• Experience driving large cross-functional/industry-wide engineering efforts.
• Mentoring/influencing engineers across organizations.
• Leading projects with industry-wide impact.

Responsibilities

• Own the multi-year technical strategy for account and entity compromise across the Family of Apps.
• Negotiate the approach with executive leadership and partner orgs, and sequence bets to reduce real-world harm fastest.
• Protect Meta's user accounts and assets from adversaries who gain unauthorized access and downstream harm.
• Own the integrity lifecycle for account access: authentication/recovery integrity, compromise detection and enforcement.
• Define how we measure harm and set metrics the org is held to, including compromise rates and recovery success.
• Coordinate with teams across Meta to balance user protection, product friction, and business outcomes.
• Adapt plans as requirements evolve and drive centralization of tooling and systems across legacy and new account models.

Skills

Large-scale apps

Cross-functional leadership

Mentoring engineers

Roadmap planning

Adversarial problem solving

AI-assisted development

Security & integrity

Communication across teams

Job description

Meta seeks experienced engineers to join the Central Integrity team as Principal Engineer (Technical Leadership). You will own the multi-year strategy for account and entity compromise across the Family of Apps, collaborating with executive leadership and partner orgs to reduce real-world harm fastest.

You will protect user accounts and assets from adversaries, define harm metrics, and drive cross-functional programs that align integrity goals with product and business outcomes.