2026 - 1636 Senior Database Administrator

Job description

***Job description for Senior DBA*** **Job description** We are looking for a Senior DBA with strong, hands-on expertise across both Oracle and Microsoft SQL Server environments. The ideal candidate will manage database availability, performance, and resiliency across on-premises, Oracle Cloud (OCI) infrastructure and AWS with a strong focus on disaster recovery, performance tuning, migration and routine operational database activities. **Key Responsibilities** **Database Administration** - Administer, monitor, and maintain Oracle (11g/12c/19c/21c) and MS SQL Server (2016/2019/2022) databases in production, staging, and development environments. - Perform installation, configuration, patching, and upgrades for both database platforms. - Manage database security, user roles, privileges, and access controls. **Disaster Recovery (DR)** - Design, configure, and maintain DR setups including Oracle Data Guard (Physical/Logical Standby) and SQL Server Always On Availability Groups, Log Shipping, and Mirroring. - Conduct regular DR drills, failover/switchover testing, and document RTO/RPO compliance. - Troubleshoot replication lag, sync issues, and DR failover incidents. **Oracle Cloud Infrastructure (OCI)** - Manage and support databases hosted on Oracle Cloud (Base Database Service, Exadata Cloud Service, Autonomous Database as applicable). - Handle OCI DBCS provisioning, backup configuration, patching, and monitoring. - Work with OCI networking, storage, and security constructs as they relate to database hosting. **Performance & Tuning** - Perform SQL query tuning, execution plan analysis, and index optimization across both Oracle and SQL Server. - Monitor and tune instance-level parameters, memory, I/O, and wait events. - Proactively identify and resolve performance bottlenecks. **Routine DBA Operations** - Perform database cloning (RMAN duplicate, Data Pump, SQL Server backup/restore-based cloning) for refresh and non-production environment builds. - Execute periodic database refresh activities between environments (Production → UAT/Dev), including data masking where required. - Configure, manage, and troubleshoot database links (Oracle DB Links, SQL Server Linked Servers) for cross-database/cross-platform connectivity. - Manage backup and recovery strategies (RMAN, native SQL backups) and validate recovery readiness. **Other** - Experience in Migrating Database from On premises to Cloud, Cloud to Cloud, SQL to Oracle. Etc,. - Maintain documentation for configurations, DR runbooks, and standard operating procedures. - Collaborate with application, infrastructure, and cloud teams on database-related requirements. - Participate in on-call/rotational support as needed. **Required Skills & Qualifications** - 9+ years of hands-on DBA experience, with solid depth in both Oracle and MS SQL Server (not just exposure to one). - Strong experience setting up and managing DR solutions (Data Guard, Always On, Log Shipping, or equivalent). - Working knowledge of Oracle Cloud Infrastructure (OCI) for database hosting and management. - Proven expertise in database performance tuning (query, instance, and infrastructure level). - Practical experience with database cloning and database refresh processes. - Strong understanding of database links / linked servers and cross-platform connectivity. - Solid grasp of backup/recovery tools (RMAN, native SQL Server backup/restore). - Good understanding of database security, patching, and upgrading methodologies. - Strong troubleshooting and incident-resolution skills under production pressure. - Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent practical experience). **Preferred / Nice to Have** - Oracle OCP / Microsoft SQL Server certification. - Exposure to Exadata or Autonomous Database. - Scripting skills (Shell, PowerShell, or Python) for automation of DBA tasks. - Experience with monitoring tools (OEM, SolarWinds, Zabbix, etc.). - Experience working in a managed services / multi-client support environment. **Soft Skills** - Strong communication skills to work with cross-functional and client teams. - Ability to independently own and drive DR and performance initiatives. - Comfortable working in a fast-paced, production-support environment. - Strong ownership mindset with the ability to prioritize under pressure during incidents.