Senior Platform Cyber Security Engineer

Job description

About ION We are a Software Product Company with a global footprint in the FinTech sector. With more than 10,000 professionals across 40+ offices worldwide, we provide solutions combining trading and workflow automation , market data, and advanced business intelligence . Role Overview: The Senior Platform Security Engineer supports ION Markets’ security strategy by designing and operating security controls, detections, and automated response capabilities across platforms and infrastructure. This is a hands‑on, engineering‑led role with a strong focus on detection engineering, security automation, and real‑world attacker behaviors, prioritizing scalable solutions over manual SOC processes. Key Responsibilities: Design, operate , and improve security controls, detections, and automated response workflows across cloud and enterprise environments Build high‑fidelity detections and response automation using platforms such as Rapid7, SentinelOne , CrowdStrike, and Azure Logic Apps Lead incident response activities, including investigation, containment, remediation, and zero‑day threats Own vulnerability management from identification through remediation and verification Improve logging,...