Senior Database Reliability Engineer (PostgreSQL)
Tata Consultancy ServicesKolkata, Republic Of India, IN4 days ago
Job descriptionExperience 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 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).
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
Role descriptions / Expectations from the Role
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Database Reliability Engineer • Kolkata, Republic Of India, IN
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