Database Engineer II

Reflexive Concepts is seeking a skilled Database Engineer to join our team! Specifically, the DEFSMAC team is seeking a Database Engineer with experience in PostgreSQL and PostGIS. This position requires an in-scope polygraph (within 7 years). For qualified candidates, the labor category level for this position may be flexible. Key Responsibilities Design and optimize PostgreSQL database schemas, indexes, and queries for performance and scalability Monitor and tune database performance using native tools and custom scripts Implement and maintain high availability (HA) and replication strategies Collaborate with developers to refine complex queries and stored procedures Automate routine tasks using scripting languages (e.g., Bash, Python) Document database architecture, processes, and best practices Qualifications: Five (5) years experience as a DBE in programs and contracts of similar scope, type, and complexity Bachelor's degree in Computer Science or related discipline from an accredited college or university Five (5) years of additional DBE experience may be substituted for a bachelor's degree Required: Experience with PostgreSQL and PostGIS Strong SQL skills and experience with performance tuning and query optimization Proficiency in Linux/Unix environments and CLI tools like psql Experience with logical and physical replication, partitioning, and backup strategies Familiarity with monitoring tools (e.g., pg_stat_statements, Prometheus, Grafana) Knowledge of scripting languages for automation and tooling In-scope polygraph within 7 years Desired: Experience with containerized environments (Docker, Kubernetes) Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL) Understanding of CI/CD pipelines and infrastructure as code (Terraform, Ansible) Exposure to other RDBMS (e.g., Oracle, MySQL) or NoSQL systems