Senior Cybersecurity Design Architect (OCaml Experience)

Senior Cybersecurity Design Architect Jane Street Group, LLC has multiple openings for a Senior Cybersecurity Design Architect in New York, New York. The position duties are as follows: Serve as a technical security leader and cross-functional coordinator, translating security requirements into practical implementations and leading security initiatives from assessment through implementation. Day-to-day duties include: Conduct threat modeling assessments, security audits and reviews of systems, processes, third-party integrations and applications across Jane Street; Lead security initiatives across cross-functional teams, managing project timelines and stakeholder expectations while defining security requirements and implementing new security controls and monitoring solutions; Act as primary cyber liaison for multiple teams including Unified Communications, Physical Security, MacOS Team, Workplace Services, Creative Engagement, IT Movers Adders Changers; Drive internal process improvements including interteam process enhancements and threat modeling methodology refinements; Perform penetration testing on internal systems and applications; Participate in security incident response and remediation; and Mentor and train junior cybersecurity team members and engineers across the firm. The position requires a 3 or 4 year Bachelor’s degree in Computer Science, Information Security, Cybersecurity, or related technical field or foreign equivalent plus 4 years of progressively responsible experience as a cybersecurity engineer, cybersecurity architect, or similar occupation. Experience must include: 2 years of experience performing threat modeling, penetration testing, and vulnerability assessments for systems built with Python and OCaml; 2 years of experience managing projects and leading cybersecurity initiatives across multiple, global teams, including experience in architecture reviews and application security; 2 years of experience assessing security of low-latency tradi