Senior Database Administrator

Role & responsibilities

• Manage, administer, monitor, and maintain enterprise database environments across development, testing, and production.
• Install, configure, upgrade, patch, and migrate database servers and instances.
• Ensure high availability, reliability, scalability, and optimal performance of database systems.
• Perform database performance tuning, query optimization, capacity planning, and resource management.
• Design and maintain backup, recovery, replication, and disaster recovery strategies.
• Manage Oracle RAC, ASM, Data Guard, RMAN, GoldenGate, or equivalent HA/DR technologies as applicable.
• Monitor database health, availability, storage, CPU, memory, sessions, locks, and other performance indicators.
• Troubleshoot complex database issues, production incidents, connectivity problems, and performance bottlenecks.
• Perform database upgrades, migrations, patching, refreshes, cloning, and environment provisioning.
• Implement database security controls, user access management, roles, privileges, encryption, and auditing.
• Automate routine DBA activities using Shell scripting, Python, PowerShell, or other automation tools.
• Support cloud database environments across OCI, AWS, Azure, or other cloud platforms.
• Collaborate with application, infrastructure, DevOps, security, and development teams to resolve database-related issues.
• Participate in 247 production support, incident management, problem management, and on-call activities where required.
• Conduct root-cause analysis and implement preventive measures for recurring database incidents.
• Maintain database documentation, operational procedures, architecture diagrams, and recovery plans.
• Follow ITIL, change-management, security, compliance, and organizational database standards.
• Mentor junior DBAs and provide technical guidance on database administration best practices

Preferred candidate profile

• 5 to 10 years of hands-on experience as a Database Administrator, preferably in large-scale enterprise or 247 production environments.
• Strong expertise in Oracle Database Administration with experience in Oracle 19c/21c or equivalent versions.
• Hands-on experience with Oracle RAC, ASM, Data Guard, RMAN, OEM, GoldenGate, and database performance tuning.
• Strong SQL and PL/SQL knowledge with expertise in query optimization and troubleshooting.
• Experience administering one or more additional database platforms such as SQL Server, PostgreSQL, or MySQL is preferred.
• Strong understanding of backup and recovery, high availability, disaster recovery, replication, database security, and capacity planning.
• Experience with Linux/Unix administration and Shell scripting.
• Exposure to OCI, AWS, Azure, or cloud database services is an advantage.
• Experience with database automation, monitoring tools, CI/CD, and DevOps practices is preferred.
• Strong troubleshooting, analytical, and root-cause-analysis skills.
• Experience handling critical production incidents and working under defined SLAs.
• Good understanding of ITIL processes, including incident, problem, change, and release management.
• Ability to work effectively with application developers, infrastructure teams, architects, DevOps, and business stakeholders.
• Strong communication, documentation, collaboration, and stakeholder-management skills.
• Ability to mentor junior database administrators and take ownership of complex database environments.
• OCP, Microsoft, PostgreSQL, AWS, Azure, or OCI certifications are an advantage.
• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline; master's degree is an advantage.