Toss jobs

Security Engineer role at Toss's Information & Security Tribe (Security Purple Team) in Seoul. Responsibilities include designing and operating SIEM platforms (Splunk, Opensearch, Elasticsearch), building secure log collection architectures across on-premise/AWS/Kubernetes, managing log pipelines (NIFI, KAFKA, Hadoop), performance optimization, standardizing log models (OCSF, CIM), and security automation via Python. Requires SIEM scalability/optimization experience, log pipeline management (ETL/ELT), heterogeneous security log handling, and Python automation skills. Minimum 1 year experience required.