Principal Security Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Security Engineer based in United States. This role combines advanced software engineering and offensive security expertise to build AI-enabled systems that discover, validate, and help remediate vulnerabilities across modern environments. You will design and operate agentic security capabilities that automate reconnaissance, vulnerability validation, attack surface management, and security workflows. The position offers significant technical ownership, with a focus on translating offensive security techniques into reliable, scalable automation. You will integrate security tooling, cloud services, asset inventories, ticketing platforms, CI/CD pipelines, and threat intelligence sources into cohesive security workflows. Working across security and engineering teams, you will help improve the speed, consistency, coverage, and effectiveness of vulnerability discovery and remediation. You will also contribute to penetration testing and purple-team activities while ensuring AI-driven findings are validated and appropriately assessed. This is an opportunity to shape the evolution of AI-powered security engineering within a highly regulated technology environment.

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