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
Numbers & Facts
Location
Annapolis Junction, Maryland
Skills
Amazon Relational Database Service (RDS)unmatched
Ansibleunmatched
Bash Scriptingunmatched
Cloud Computingunmatched
Computer Scienceunmatched
Continuous Deployment/Deliveryunmatched
Continuous Integrationunmatched
Database Optimizationunmatched
Database Programmingunmatched
Database Technologyunmatched
Dockerunmatched
GCP (Good Clinical Practices)unmatched
High Availabilityunmatched
Linux Operating Systemunmatched
Machine Toolunmatched
Microsoft Windows Azureunmatched
MySQLunmatched
NoSQLunmatched
Oracleunmatched
Performance Tuning/Optimizationunmatched
PostgreSQLunmatched
Python Programming/Scripting Languageunmatched
Query Optimizationunmatched
Relational Databases (RDBMS)unmatched
Replication and Remote Mirroringunmatched
SQL (Structured Query Language)unmatched
Scripting (Scripting Languages)unmatched
Stored Proceduresunmatched
Unix Operating Systemsunmatched
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