Incident Responder

📋 Description

• • As an Incident Responder on the Security Operations team at Interactive Brokers LLC, you will play a critical role in protecting the company’s global financial infrastructure by monitoring, detecting, analyzing, and responding to security events and incidents. This hybrid position (3 days in office, 2 days remote) based in Greenwich, CT offers the opportunity to develop hands-on expertise in cybersecurity incident handling while contributing to the security posture of a leading global electronic brokerage serving clients in over 200 countries.
• • Your day-to-day responsibilities will include monitoring security alerts from SIEM, EDR, and other monitoring platforms; assisting in the triage, investigation, and containment of security incidents; collecting and analyzing logs, network data, and endpoint artifacts; documenting incident findings and supporting root cause analysis; escalating complex incidents to senior analysts; and participating in security exercises and continuous improvement initiatives to strengthen organizational resilience.
• • You will join a dynamic, multi-national Security Operations team within a company recognized for over four decades of financial innovation and technological leadership. Interactive Brokers is a global leader in electronic brokerage, consistently ranked #1 online broker by Barron’s for six consecutive years, known for its cutting-edge technology, competitive pricing, and commitment to client success across stocks, options, futures, currencies, bonds, and funds.
• • In this role, you will develop practical skills in threat analysis, incident response workflows, and cybersecurity tooling while gaining exposure to enterprise-scale security operations in a high-stakes financial environment. You will enhance your ability to work under pressure, collaborate across teams, and contribute to proactive security improvements—building a strong foundation for advancement in cybersecurity, threat hunting, or security architecture roles.