Staff Security Engineer
Core
Design and expand security data lineage pipelines and core data models from vendor logs to MITRE ATT&CK coverage metrics; develop a Detection Mapping Engine connecting vendor detection rules, log schemas, and SIEM Use Cases.
Role type
Staff Security Engineer (Detection Engineering & Data Platform)
Builds
Detection Mapping Engine, security platform data adapters, interactive graph visualization, AI agent support infrastructure, and API integrations.
Domain
Cybersecurity, Security Operations, Data Engineering (via careerplan.io/jobs/22195-staff-security-engineer-at-coupang)
Deliverable
production ML models
Required skills
Detection Engineering, Security Log Analysis, SIEM Operations, EDR/CSPM/WAF/Identity Protection integration, Python Backend Development, Database Schema Design, Large-scale Security Log Analysis, REST API/GraphQL/Vendor SDK Integration, English (Professional), Korean (Professional)
Preferred skills
Security Solution Vendor Product Development, BAS Platform, AI Agent Infrastructure, Workflow Orchestration, TypeScript/JavaScript, Graph Visualization
Responsibilities
Design and expand security data lineage pipelines and core data models; Develop Detection Mapping Engine connecting vendor rules, log schemas, and SIEM Use Cases; Implement adapters for collecting, normalizing, and correlating security platform data; Analyze detection gaps, log loss, and duplicate detections to prioritize rule improvements; Build interactive graph visualization for security solution/log/rule/ATT&CK relationships; Develop infrastructure for AI agent security analysis and change verification; Lead CTEM lifecycle (Scoping, Discovery, Prioritization, Validation, Mobilization);