Remote Senior AI Offensive Security Engineer

Pro Circular is seeking a senior offensive security engineer to lead network penetration testing across the Midwest and help build our AI red team practice from the ground up. You will own the scope, testing, reporting, and client readouts, shaping a greenfield AI security offering. You will design testing methodologies for AI systems, test for prompt injection and tool abuse, and map work to OWASP ATLAS, MITRE ATLAS, and NIST AI RMF references. Remote work with a distributed team is expected.