Leidos is seeking a skilled Database Engineer to support the DHS Insider Threat Program (ITP) under the HEITS Contract. This is a dynamic opportunity to apply your expertise in designing, sustaining, and evolving the database infrastructure that powers one of DHS’s most critical missions—identifying and mitigating insider threats through advanced analytics, monitoring, and data correlation. Responsibilities As the Database Engineer, you will: Maintain and support the ITP database backend infrastructure Perform routine maintenance: reindexing, backups, transaction log truncation, cluster management Design and implement database encryption solutions (e.g., Transparent Data Encryption - TDE) Document and maintain configuration baselines Develop and execute system recapitalization plans to support capacity growth Serve as the SME for all database infrastructure Create and optimize stored procedures, queries, and views Support data warehouse features and integrations Optimize database schemas for referential integrity, cascading transactions, indexing, and performance