We are looking for a Security Data Engineer to join our team in Costa Mesa, California in a contract capacity with the potential for a permanent role. This position is focused on advancing a well-established data lake environment by strengthening the ingestion layer, expanding connectivity to additional systems, and ensuring reliable movement of security-relevant data. The person in this role will take ownership of pipeline operations, partner with internal system stakeholders to enable access, and help keep incoming data accurate, timely, and usable for downstream needs.<br><br>Responsibilities:<br>• Take ownership of the data ingestion layer for an existing data lake, ensuring steady performance and dependable delivery of incoming datasets.<br>• Reduce a defined backlog of pipeline work during the first 90 days by building and activating prioritized ingestion workflows.<br>• Assume responsibility for pipeline components transitioned from the lead engineer and continue their operational support without disrupting established foundations.<br>• Support and improve current ETL processes by monitoring health, resolving failures, and extending coverage where needed.<br>• Integrate new source systems, including platforms such as Rippling and Workday, into the broader data ecosystem.<br>• Coordinate with internal application and system owners to identify data sources, secure appropriate access, and obtain logs or source records required for ingestion.<br>• Apply data cleaning and analysis practices to improve data quality and maintain consistency across inbound datasets.<br>• Contribute to infrastructure and deployment workflows using AWS, AWS CDK, Infrastructure as Code, and CI/CD practices to support scalable pipeline operations.