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Product Security Engineer

CH - Geneva💼 Full-time🗓 2026-07-30 → 2026-09-26

Core

Define vision and roadmap for product security, build the security team, and embed security into Proton's applications and infrastructure.

Role type

Senior Product Security Engineer (Team Lead)

Builds

Secure applications (Mail, Calendar, VPN, Pass, Drive) and security infrastructure for millions of users

Domain

Privacy-focused SaaS, Cryptography, Open-source technology

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Application security, Penetration testing, Security tooling, Code reviews, Remediation planning, Strategic leadership, Technical communication

Preferred skills

B2B product security, Infrastructure security, Cryptographic protocols, Open-source code at scale

Technologies

Linux, Open-source technologies

Responsibilities

Define security vision and roadmap, Build and lead the product security team, Partner with product and engineering teams to embed security, Create security playbooks and policies, Lead the bug bounty program, Influence product roadmaps

Seniority

Senior, hands-on IC with leadership responsibilities

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