Principal Product Security Engineer

About the role

The Principal Product Security Engineer will shape how Tellent designs, builds, and ships secure software by integrating security directly into the engineering process. This hands-on role involves performing manual security reviews, threat modeling, and developing systemic fixes to eliminate vulnerability classes. You will partner with engineering teams to establish secure-by-default standards and own the technical direction of the product security roadmap.

Responsibilities

• Perform deep manual security reviews and offensive testing across services, APIs, and clients.
• Threat model high-risk product surfaces, including new AI functionality.
• Own the technical strategy for application security tooling.
• Triage vulnerabilities from internal tooling, penetration tests, and external researchers.
• Identify patterns and root causes to build systemic fixes and secure-by-default libraries.
• Develop secure development standards for engineering teams.
• Partner with the Security team on bug bounty programs, pentest remediation, and security training.
• Act as a senior technical partner for product security incidents.

Required skills

• Application security
• Product security
• Threat modelling
• Access control
• Authentication
• Authorization
• Injection vulnerabilities
• Cloud security
• Containers
• CI/CD
• Infrastructure as code

Nice to have

• AI security
• LLM security
• Privacy engineering
• OAuth 2.0
• OIDC
• SAML
• Offensive security

Certifications

• OSCP
• CISSP
• CISM
• CSSLP

Benefits

• Annual training budget
• Dedicated learning days
• Tooling budget
• Pension plan
• Travel reimbursement
• Wellness perks
• 28 paid holiday days
• Work from anywhere for 4 weeks per year
• Apple MacBook
• Home office budget

About the Company

Tellent is a Talent Management Suite that helps organizations attract, hire, manage, and grow their people. With 250+ employees across Europe, the company builds intuitive and scalable HR technology used by 7,000+ companies across 100+ countries.