Snr Infra Engr, Infra Dataops

**Snr Infra Engr, Infra DataOps**:
**Date**:22 Nov 2024

**Location**: Singapore, Singapore

**Company**:Singtel Group

The Database Administrator (DBA) must be a Certified Oracle Database Administrator and/or Microsoft SQL Administrator in administration and troubleshooting.
Incumbent is expected to perform Level 1 and Level 2 database related issues and be experienced in the following areas, but not limited to the following competencies:

- Database Analysis
- Database Performance analysis, tuning and optimization
- SQL Coding
- Database Migration
- Database security features implementation
- Database backup and recovery
- Technical database documentation
- Daily health checks on the database
- Database housekeeping/optimization activities including but not limited to:

- Highlight and ensure sufficient data growth
- Create/reallocate DB files, tables, indexes, rollback segments, (auto)extent management and other database objects
- Providing advice to Operations Manager and Customers on database related issues as well as new technology and innovations

**Responsibilities**:
**Documentation**
- Document daily checks and status update
- Develop and update all necessary DB documentation (including checklist, operations manual and relevant changes to configuration settings) and DR setup
- Report monthly on database size and DB Uptime and Performance
- Generate ad-hoc non-standard reports for incident/problem investigations, DB capacity planning or audit purposes

**Database Management**
- Create new DB creations, database network configuration, determine/adhere to guidelines for database structures and file layout, review and enhance scripts and procedures, proper management of transaction and redo/archive logs
- Assist in database purging and collaborate with Solutions Team to define the purging policy for each individual system, database re-indexing and database tuning, if required
- Review daily on log irregularities and follow-up actions
- Maintain regular database maintenance schedules
- Monitor the performance to discover and detect from on-start, the possible system anomalies which may impact business operations. This shall include system resource usage, Basic CPU utilization, Disk I/O, Basic network I/O, memory utilization of database buffers, shared pool, memory cache, inefficient SQL, long running queries, in-doubt transactions, temporary table space usage, job query analysis, lock and latch analysis, alert log errors, availability of required start-up services/components for low disk space/archive logs, blocking locks, core dump, interfaces and batch-jobs
- Monitor backups, recovery and replication for successful completion
- Data Management
- Monitor object fragmentation, invalid objects and extent of failure detection
- Perform Disaster Recovery (DR) for all the critical systems and ensure successful rebuilt of Production or DR servers, if necessary

**Incident/Problem Management**
- Incident detection and confirmation of production database systems shall include timely escalation to the Managed Helpdesk, and performing the DBA onsite services on physical database facilities, to rectify the incidents with root cause analysis in order to ensure permanent resolution
- Verify and validate databases backup, recovery and replication status
- Review, improve and document the database administration and operational guide on new or revised processes and procedures regularly
- Assist the Operations and Project Lead on the issues related to database in daily operations or new projects implementation
- Any other ad-hoc duties as required or assigned