Sr Database Administrator – Production Reliability

Oracle + Postgres
UNITED STATES
October 20, 2026
Full Time
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Job Description

Company: Tata Consultancy Services
Location: Sunnyvale, CA
Workplace Type: On-site
Employment Type: Full-time
Pay / Compensation: $100,000 – $135,000 a year

About the Role

Tata Consultancy Services is seeking a Sr Database Administrator for Production Reliability to join their team in Sunnyvale, CA. In this role, you will administer and maintain highly available production environments, lead incident triage, ensure strict recovery metrics, and partner closely with application and platform teams.

What You’ll Do / Key Responsibilities

  • Database Administration & Maintenance: Administer and maintain highly available Oracle, MongoDB, and PostgreSQL production environments.
  • Performance Tuning & Optimization: Perform database performance tuning, query optimization, indexing, and capacity planning.
  • Health Monitoring & Troubleshooting: Monitor database health, replication, storage, connections, locks, and resource consumption, resolving issues proactively.
  • Incident Response & Recovery: Lead database incident triage, service restoration, root-cause analysis, and preventive actions.
  • Automation & Provisioning: Automate provisioning, monitoring, maintenance, backup validation, recovery testing, and operational reporting.
  • Cross-Functional Collaboration: Partner with application and platform teams on schema design, migrations, releases, security, and non-functional requirements.
  • Documentation & Compliance: Maintain database documentation, runbooks, DR evidence, and operational status updates for stakeholders.
  • Disaster Recovery Strategy: Design and manage robust backup, point-in-time recovery (PITR), failover, and DR strategies to guarantee strict RPO and RTO targets.

Requirements & Qualifications

  • 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.

Preferred / Bonus Qualifications

  • Experience with AWS, Azure, or Google Cloud managed database services.
  • Knowledge of infrastructure as code, CI/CD, and database observability tools such as Prometheus, Grafana, Splunk, or ELK/OpenSearch.
  • Understanding ITIL processes and experience preparing runbooks, operational dashboards, and DR test reports.
  • Relevant database, cloud, or site reliability engineering certifications.

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