Justworks is seeking a Senior Security Engineer to drive and execute the company's Security Architecture & Engineering function. This role combines hands-on technical expertise with strategic security implementation in a SaaS environment. The position requires deep understanding of computing fundamentals and development skills in Ruby on Rails and JavaScript, along with experience in *Nix environments and cybersecurity tools. The role spans multiple security domains including network infrastructure, application security, identity management, and data protection. Working in a hybrid environment in New York, you'll join a company culture that values camaraderie, openness, grit, integrity, and simplicity. The position offers competitive compensation ($167,500-$205,000) and comprehensive benefits. This is an opportunity to shape security architecture while working with cutting-edge technologies in a supportive, entrepreneurial environment.