Principal Security Engineer
Talkdesk · Portugal
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- Company
- Talkdesk
- Location
- Portugal
- Posted
- April 29, 2026
About this job
We are seeking a battle-hardened Principal Security Engineer to lead our technical offensive and defensive strategies. This is not a policy-writing role; it is an extremely hands-on position designed for an engineer who thrives on breaking complex systems, building custom security tooling, and securing the next generation of AI-driven applications. You will be the technical authority for Application Security, Penetration Testing, and Cloud infrastructure, with a specialized focus on the security lifecycle of Large Language Models (LLMs) and AI integrations. Key Responsibilities 1. Advanced AppSec & Offensive Security Deep-Dive Pentesting: Conduct sophisticated manual penetration tests across web applications, APIs, and microservices architecture.…
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