Postgres DBA (Consultant Technical Lead)

Tata Consultancy Services; Bengaluru; On-site; INR 2,000,000 - 3,000,000; Full time

Job summary

Tata Consultancy Services in Bengaluru is seeking a Senior PostgreSQL DBA (Consultant Technical Lead) with 9–14 years of experience to provide 24/7 database support, design scalable architectures, and drive performance optimization.

You will automate deployments, manage backups and DR, and collaborate with developers and operations teams to ensure data integrity, security, and compliance. Strong ITIL awareness and cloud RDS experience are preferred.

Qualifications

• PG version 12, 13, 14 & 15 experience.
• Excellent knowledge of PG RDBMS architecture, backup and recovery, replication and performance tuning.
• Experience with PG_DUMP/PG_DUMPALL for backup and recovery.
• WAL archiving and Point-in-Time Recovery experience.
• Experience with AWS RDS for PostgreSQL.
• Large-scale environment experience (1000+ databases).
• ITIL processes related to Incident, Problem, Change, and CSI.
• Experience with automation tools and scripting (Ansible, Shell).
• Strong coordination and communication across global teams.

Responsibilities

• Provide round-the-clock database support including incidents, requests, and changes.
• Automate regular patch deployments and routine tasks.
• Design scalable PostgreSQL architectures to meet business needs.
• Optimize data storage, retrieval, and indexing for performance.
• Ensure data integrity, security, and regulatory compliance.
• Collaborate with developers and system admins to enhance DB operations.
• Monitor performance, tune queries, and trace long-running queries.
• Manage DR and resiliency strategies and migrations across platforms.
• Handle migrations of databases between MSSQL/Sybase/Oracle to PostgreSQL.

Skills

PostgreSQL DBA

RDBMS architecture

Performance tuning

Cloud (AWS RDS)

Scripting (Ansible)

Tools

REPMGR

PGBACKREST

pg_repack

pg_crypto

pg_audit

Data Wrapper

pg_bouncer

Job description

Role / Job Summary

Postgres DBA (Consultant Technical Lead)

Years of Experience

9 – 14 years

Key Responsibilities

• Providing round-the-clock database support, including handling incidents, requests, and changes.
• Automating regular patch deployments, installations, and other routine tasks.
• Designing and developing scalable database architectures to meet business requirements, along with recommending hardware and network solutions.
• Optimizing data storage, retrieval, and indexing for improved performance efficiency.
• Ensuring data integrity, security, and compliance with industry standards.
• Collaboration with application developers, system administrators and other teams to enhance database operations and support.
• Use of Performance Monitor, optimizing queries, and tracing long-running queries, blockages, and deadlocks.
• Contribution towards automation of recurrent tasks.
• Ticket reduction through problem management.
• Hands-on experience of using tools/extensions
• Account management tasks include creating, deleting, and modifying profiles, as well as managing security and audit control parameters.
• Knowledgeable in index defragmentation, re-indexing, updating index statistics and query tuning.
• Proficient to manage DR and Resiliency strategies and underlying infrastructure architecture knowledge.
• Proficient in troubleshooting & solving complex performance problems.
• Proficient in managing Patching, Upgrades & Migrations.
• Proficient in monitoring & performance analysis through open source tools
• Working closely with application developers to optimize database interactions.
• Strong background to conduct proof of concepts (POCs) for new features and enhancements to reduce costs.
• Research and recommend new database technologies through POCs.
• Proficient in documenting database structures, policies, and procedures.
• Awareness to any of 2 public cloud platforms and responsible to integration designs from Tradi environments
• Responsible for design implementation and manage cloud-based database solutions.
• Manage projects and ensure technical solutions meet business needs. Provide guidance and mentor the team members.
• Proficient in managing migration other databases like MSSQL/Sybase/Oracle to PostgreSQL

Mandatory Skills and Experience

• Hands-on experience with database standards and end user applications.
• Experience on PG version – PG 12, PG 13, PG 14 & PG 15
• Excellent knowledge of PG RDBMS (all versions) architecture & design.
• Excellent knowledge of Architecture, Backup, Recovery (PITTR), Replication & Performance Tuning concepts.
• Experience in Backup and Recovery using PG_DUMP and PG_DUMPALL
• Experience in setting up WAL archiving, Point in Time Recovery
• Hands-on experience of using tools/extensions – REPMGR, PGBACKREST, pg_repack, pg_crypto, pg_audit, Data Wrapper, pg_bouncer,,
• Good understanding of configuration files such as Pg_hba.Conf, Postgresql.Conf (with knowledge on Parameter values)
• Scripting knowledge using Ansibel and SHELL
• Proficient in troubleshooting & solving complex performance problems.
• Proficient in managing Patching, Upgrades & Migrations.
• Proficient in monitoring & performance analysis through open source tools
• Experience in handling Disaster Recovery tests & exercises.
• Certifications and experience of managing RDS for PostgreSQL on AWS
• Experience in working on a large-scale environment (at least 1000 + databases with bigger sizes).
• Working experience in banking domain (preferred).
• Expert knowledge of ITIL processes around Incident, Problem, Change, Quality Management and CSI.
• Exceptional coordination, communication and interpersonal skills to work across global teams and clients.
• Demonstrated ability to analyze, diagnose and assess problems; work with global stakeholders to derive tactical and long-term solutions as appropriate.
• Demonstrable crisis management skills in a large, globally distributed environment.
• Experience working with or in an automated operation environment
• Experience managing operations on core & cloud-based infra environments – ‘AaS platform’ experience ideal.

Preferred Education, Skills and Experience

• Certifications and experience of managing RDS for PostgreSQL on AWS
• Hands-on experience of using tools/extensions – REPMGR, PGBACKREST, pg_repack, pg_crypto, pg_audit, Data Wrapper, pg_bouncer
• Good understanding of configuration files such as Pg_hba.Conf, Postgresql.Conf.
• Experienced in backup and recovery using PG_DUMP and PG_DUMPALL, setting up WAL archiving, Point in Time Recovery
• Experience in Ansible, Shell / Perl / Python Scripting
• Proficient in managing Patching, Upgrades & Migrations.
• Proficient in monitoring & performance analysis through open source tools