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Data Scientist / Data Engineer - Mid - CASTALIA SYSTEMS LLC
Data Scientist
Mid‑level Data Scientist/Data Engineer with TS/SCI clearance, responsible for building scalable data pipelines, developing ML models, and delivering actionable insights using Python, SQL, and AWS services.
About the role
Key Responsibilities
- Design, develop, and maintain robust data pipelines and ETL processes to ingest, transform, and store large datasets.
- Build and deploy machine learning models that support mission‑critical decision making.
- Collaborate with cross‑functional teams to define data requirements and translate business needs into technical solutions.
- Ensure data quality, security, and compliance with federal regulations and clearance requirements.
- Optimize performance of data workflows and cloud resources, leveraging AWS services such as S3, Redshift, and Glue.
Requirements
- 3+ years of experience in data engineering or data science roles.
- U.S. citizenship with an active TS/SCI clearance and CI polygraph.
- Excellent problem‑solving skills and ability to work in a fast‑paced, security‑focused environment.
Skills
pythonsqlmachine learningaws