PostgreSQL Database Administrator

Greetings from TCS!!!

TCS is Hiring for PostgreSQL Database Administrator

Role - PostgreSQL DBA

Required Technical Skill Set - PostgreSQL Database Administrator

Desired Experience Range - 10-15 Years

Location of Requirement - Kolkata

Desired Competencies (Technical / Behavioral Competency)

Must-Have

Extensive hands-on experience with PostgreSQL (v11 and above).

Database installation, configuration, and upgrades on Linux / Unix platforms.

High Availability (HA) setup using streaming replication, Patroni, repmgr, etc.

Backup and recovery strategies using tools like pgBackRest, Barman.

Performance tuning and query optimization.

Strong knowledge of PL / pgSQL scripting and automation.

Experience in database monitoring and alerting tools (e.g., pg_stat_statements, Prometheus, Grafana).

Security hardening and compliance (role-based access control, SSL, encryption at rest / in-transit).

Disaster Recovery planning and execution.

Capacity planning and data growth forecasting.

Good understanding of cloud platforms (AWS RDS / Aurora, GCP Cloud SQL, or Azure PostgreSQL).

Good communication skills with both technical and management teams.

Good-to-Have

Experience with other databases (Oracle, MySQL, or NoSQL like MongoDB).

Experience with Kubernetes & PostgreSQL operators (e.g., Zalando, Crunchy).

Knowledge of Infrastructure as Code (Terraform, Ansible).

Experience with CI / CD pipelines for database changes

Experience with Databases (Oracle, DB2 & SQL server).

Exposure to PostgreSQL clustering and sharding.

Understanding of logical replication and change data capture (CDC).

Knowledge of network monitoring and tools

Excellent stakeholder management and cross-functional collaboration

Certifications (Optional but Preferred) : AWS Certified Database – Specialty

Role descriptions / Expectations from the Role

Database Architecture & Design : Design and maintain complex PostgreSQL database schemas.

Performance Tuning & Optimization : Advanced query tuning and index optimization. Analyze and resolve slow queries using EXPLAIN, ANALYZE, and pg_stat views.

Backup and Recovery : Implement and manage high-availability backup strategies. Test and document disaster recovery procedures.

Replication and High Availability : Set up and maintain replication (physical / logical). Experience with HA tools like Patroni, repmgr, or Pgpool-II.

Security Management : Implement role-based access controls, SSL / TLS, and audit logging. Monitor for vulnerabilities and apply patches.

Monitoring & Maintenance : Perform routine health checks and maintenance tasks (VACUUM, REINDEX, ANALYZE).

Upgrades & Migrations : Plan and execute PostgreSQL version upgrades with minimal downtime. Experience migrating from on-prem to cloud (AWS RDS / Aurora, Azure Database for PostgreSQL, or GCP).