Infinity Constellation (infinityconstellation.com) builds, incubates, and scales AI-enabled services companies across multiple complex and regulated industries. Our companies combine machine intelligence with human expertise to deliver next-generation solutions that redefine what professional services can be. Infinity is seeking a Head of Security to design and oversee the security strategy across the entire portfolio. This leader will establish Infinity’s foundational security program, implement scalable processes and controls, and ensure our companies consistently meet and exceed client security and compliance expectations. The role requires both strategic vision and hands-on execution. You’ll be responsible for building the frameworks that unify Infinity’s security posture, while also diving deep into individual portfolio companies to stand up policies, remediate gaps, and directly support client/vendor diligence reviews. Over time, this function may evolve into a dedicated security services offering within Infinity’s shared services ecosystem.