# Database Administration (DBA)

> Selected work demonstrating this service.

- [Architected, created, and managed 100 PostgreSQL, MS SQL, and Google BigQuery data warehouse databases with primarily GIS and time‑series data, optimizing performance and scalability.](https://software.engineer.company/portfolio/architected-created-and-managed-100-postgresql-ms-sql-12/)

<https://software.engineer.company/services/database-administration/>