Responsibilities
- Monitoring & Health Checks
- Database AvailabilityMonitor the database instances, server availability, and disk space to ensure continuous operation.
- Log FilesRegularly check Oracle alert logs, transaction logs, and backup logs for errors or warnings.
- Resource UtilizationTrack high CPU, memory, or application performance metrics and identify potential issues.
- User & Access Management
- User Creation/ModificationHandle user creation requests, grant basic data access, and manage user roles.
- Request ProcessingRespond to user requests, often by passing them to L2 or L3 support for complex resolution.
- Backup & Recovery Support
- Backup MonitoringOversee scheduled database backups and respond to any errors or failures during the process.
- Error NotificationNotify the team about backup failures or recovery errors and process requests for restoration.
- Alerts & Escalation
- Alert HandlingAcknowledge and investigate alerts, notifying relevant teams for quick resolution.
- EscalationEscalate complex performance problems, storage issues, or critical failures to L2 or L3 DBAs for deeper analysis and action.
Environment Management
- Storage ManagementAssist with basic tasks like adding datafiles to tablespaces and monitoring storage growth.
- Schema RefreshParticipate in daily schema refreshes to update development and testing environments.
Monitoring & Performance:
- Monitor database health and performance using tools like Oracle Enterprise Manager Grid Control.
- Analyze and resolve performance issues to ensure optimal system operation.
- Monitor OS services for application and database availability.
Maintenance & Operations:
- Perform regular backups and restores.
- Apply database patches and updates to software and security.
- Manage database storage and resolve space-related issues.
- Assist with database installations, configurations, and upgrades.
Troubleshooting & Support:
- Troubleshoot and resolve technical issues reported by users or detected by monitoring tools.
- Provide technical support and assistance to end-users experiencing database problems.
- Respond to database security alerts and apply necessary security measures.
Security & User Management:
- Assist in implementing and maintaining database security policies and procedures.
- Manage user accounts, authorizations, and access rights.
- High Availability (HA) & Disaster Recovery (DR):
- Implement and manage high-availability and disaster recovery solutions like Data Guard.
- Perform failover and switchover procedures.
Collaboration & Documentation:
- Collaborate with senior team members and other departments (e.g., application teams) to resolve issues and optimize performance.
- Contribute to developing and maintaining documentation for database configurations and procedures.
- Advanced TroubleshootingResolve issues that L1/L2 teams cannot, including complex ORA-600 errors and database corruption, often requiring deep analysis and root cause investigation.
- Performance TuningConduct in-depth performance analysis using tools like AWR and ASH to identify and resolve bottlenecks through SQL tuning, partitioning, and managing execution plans.
- High Availability & Disaster RecoveryDesign, implement, and maintain solutions such as RAC, ASM, and Data Guard for high availability and disaster recovery, including conducting DR drills.
- Upgrades & MigrationsLead and execute complex database upgrades, patching, and migrations, ensuring all prerequisites, testing, and post-upgrade tasks are completed effectively.
- Backup & RecoveryFormulate, implement, and test advanced backup and recovery strategies, utilizing RMAN for reliable data protection.
- Security & ComplianceImplement security policies, conduct auditing, and ensure databases comply with enterprise security standards.
- Proactive Monitoring & Capacity PlanningProactively identify potential issues and design strategies for capacity planning, ensuring future storage, memory, and CPU requirements are met.
- Mentorship & DocumentationProvide technical guidance and mentorship to junior DBAs, and develop and maintain comprehensive technical documentation, SOPs, and knowledge base articles.
- CollaborationWork closely with development teams, application owners, and system administrators to optimize database usage and resolve issues collaboratively.
