Teams at Jane Street

Secures Jane Street’s Windows and macOS platforms by deploying endpoint security controls, managing vulnerabilities, supporting incident response, and developing automation, playbooks, procedures, and standards. The role collaborates closely with IT, engineering, and operations teams to troubleshoot security and production issues, analyze logs and trends, and communicate security guidance across the firm.

Maintains books and records for European businesses and prepares monthly and annual financial statements. Responsibilities include reviewing reconciliations, supporting schedules, collaborating with auditors, interpreting accounting standards, documenting policies and controls, and improving accounting processes with technology teams.

Build and maintain trading desk infrastructure, support trading systems and workflows, execute data queries, solve operational issues, and coordinate with traders, developers, clearing firms, and external counterparties. The role combines coding, process optimization, stakeholder communication, trade settlement support, and collaborative problem-solving in a fast-paced environment. Mentorship and training are provided, and prior finance experience is not required.