This is a builder''s role for a senior technical leader who can read and improve code, design reusable controls, model complex threats, conduct authorized security testing, and work directly with engineering teams to ship durable fixes. Design and implement scalable controls for software and AI supply chains, including dependency integrity, SCA, SAST, DAST, build provenance, artifact security, secrets protection, container and infrastructure-as-code assurance, and software or AI bills of materials where appropriate.