Senior DB Reliability Engineer — Oracle/PostgreSQL/MongoDB

Tata Consultancy Services Limited; Sunnyvale (CA); Vor Ort; USD 100.000 - 135.000; Vollzeit

Zusammenfassung

Tata Consultancy Services Limited is seeking an experienced Database Engineer to administer and optimize Oracle, MongoDB, and PostgreSQL in production. You will ensure high availability, perform performance tuning, and manage backups and DR planning in a Linux environment.

Collaboration with application teams for schema design and releases is essential, with on-call responsibilities as needed. The role emphasizes incident triage, root-cause analysis, automation of provisioning and monitoring,

Qualifikationen

• 8+ years of experience in database engineering, administration, and production support.
• Hands-on expertise in Oracle, MongoDB, and PostgreSQL, including high availability, replication, clustering, patching, and upgrades.
• Strong experience in performance tuning, query optimization, indexing, capacity planning, backup, PITR, and disaster recovery.
• Ability to monitor and troubleshoot complex production issues, perform root-cause analysis, and support on-call operations.
• Working knowledge of Linux/Unix and scripting or automation using Python, Shell, or equivalent tools.

Aufgaben

• Administer and maintain highly available Oracle, MongoDB, and PostgreSQL production environments.
• Perform database performance tuning, query optimization, indexing, and capacity planning.
• Monitor database health, replication, storage, connections, locks, and resource consumption, and resolve issues proactively.
• Lead database incident triage, service restoration, root-cause analysis, and preventive actions.
• Automate provisioning, monitoring, maintenance, backup validation, recovery testing, and operational reporting.
• Partner with application and platform teams on schema design, migrations, releases, security, and non-functional requirements.
• Maintain database documentation, runbooks, DR evidence, and operational status updates for stakeholders.

Kenntnisse

Oracle

PostgreSQL

MongoDB

Tools

Prometheus

Grafana

Splunk

ELK/OpenSearch

Jobbeschreibung

Tata Consultancy Services Limited is seeking an experienced Database Engineer to administer and optimize Oracle, MongoDB, and PostgreSQL in production. You will ensure high availability, perform performance tuning, and manage backups and DR planning in a Linux environment.

Collaboration with application teams for schema design and releases is essential, with on-call responsibilities as needed. The role emphasizes incident triage, root-cause analysis, automation of provisioning and monitoring,