Staff, Security Data Platform Engineer

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Staff, Security Data Platform Engineer in Others new

Coupang
Full time
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Others
10/01/2026
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Seoul, Korea

Responsibilities

Design and build security data lake and data warehouse architectures for detection engines, AI/ML models, and security analysts.
Design real-time security-log collection architectures and build ETL/ELT pipelines across Kubernetes, servers, cloud, and network environments.
Operate and enhance SIEM platforms, including detection-rule execution reliability, indexing and search optimization, and onboarding new log sources.
Design data schemas and models suitable for AI/ML use cases and build enrichment pipelines.
Build and operate detection-as-code frameworks for code-based rule management, testing, and deployment.
Optimize the performance, reliability, and cost efficiency of large-scale SIEM and data warehouse platforms, including query tuning.
Establish monitoring, troubleshooting, and incident-response practices for the full log collection-to-ingestion pipeline.
Use AI and LLMs to improve log analysis automation, data quality management, normalization, schema mapping, and coverage-gap analysis.

Requirements

At least 7 years of experience in large-scale data engineering or backend system development.
Experience building and operating large-scale data pipelines in AWS environments, including Kafka, Kinesis, and S3.
Proficiency in Python for data processing and backend development.
Understanding of the structure and flow of security events and logs from diverse sources.
Practical experience diagnosing data-pipeline failures and ensuring reliability.
Experience designing and operating architectures in cloud infrastructure environments.
Experience with Git-based collaboration and CI/CD pipeline operation.

Benefits

Regular full-time employment with a 12-week probationary period, which may be waived, shortened, or extended when business needs require.
Work location is Coupang's Guui office in Seoul, South Korea.
The hiring process consists of document screening, two video technical interviews, and a final selection stage.
Veterans and people with disabilities may receive hiring preference in accordance with applicable law.

Coupang

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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