Senior Database Administrator

We are seeking an experienced Database Administrator (DBA) to manage, optimize, secure, and maintain enterprise-grade relational and spatial database environments. The ideal candidate will have strong expertise in PostgreSQL/PostGIS, Oracle, SQL Server, MySQL, or MongoDB, with extensive experience supporting mission-critical, high-availability databases on both on-premises and cloud platforms.

Essential Experience:

• Minimum 08 years of experience in database administration, performance tuning, and data security management
• Proven experience in PostgreSQL/PostGIS, Oracle, or SQL Server administrationin production environments
• Experience in backup, recovery, replication, and clustering for mission-critical databases.
• Familiarity with spatial databases and GIS data management.
• Experience managing cloud-based databases (AWS RDS, Azure SQL,
• Google Cloud SQL).
• Exposure to database scripting, automation, and DevOps workflows.
• Prior work in government or large-scale data environments involving multi-terabyte databases.
• Familiarity with data privacy, cybersecurity, and audit compliance frameworks.
• Relevant certifications must.

Roles and Responsibilities:

• Install, configure, and maintain RDBMS and spatial databases such as PostgreSQL/PostGIS, Oracle, SQL Server, MySQL, or MongoDB.
• Set up replication, clustering, partitioning, and high availability (HA) environments.
• Apply patches, version upgrades, and manage database migrations with minimal downtime.
• Manage database instances on on-premise servers and cloud environments (AWS, Azure, GCP).
• Monitor database performance and optimize queries, indexes, caching, and memory usage.
• Analyze query execution plans and recommend structural and indexing improvements.
• Perform regular database health checks, performance audits, and capacity planning.
• Work with application developers and GIS teams to tune SQL queries and spatial operations for faster response times
• Implement access control mechanisms, role-based privileges, and data encryption policies
• Establish and manage data backup, recovery, and replication strategies (e.g., pgBackRest, RMAN, Data Guard).
• Ensure disaster recovery and business continuity planning (BCP) for all mission-critical data systems.
• Perform regular restore drills and maintain detailed documentation of recovery procedures.
• Ensure data consistency, normalization, and compliance with organizational standards.
• Maintain metadata, logs, and audit trails for all databases.
• Implement and enforce data governance frameworks and database policies (naming conventions, indexing, archival).
• Manage schema design, table structures constraints, and relationships for both transactional and analytical systems.
• Administer spatial databases (PostGIS, Oracle Spatial) and manage vector, raster, and topology datasets.
• Support geospatial web services (WMS/WFS/WCS) through integration with GeoServer, MapServer, or ArcGIS Server.
• Optimize spatial queries, geometry indexing (GiST, QuadTree), and raster handling for GIS applications.
• Ensure interoperability between GIS and non-GIS databases through OGC-compliant standards.
• Deploy, monitor, and maintain cloud-hosted database instances (AWS RDS, Azure SQL, Google Cloud SQL).
• Work with DevOps teams to implement CI/CD pipelines, automated provisioning, and infrastructure-as-code (IaC) for database environments.