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Senior Oracle Database Administrator

2 weeks ago

Singapore NTT SINGAPORE PTE. LTD. Full time

**Job Title**: Senior Oracle Database Administrator (DBA) - **24x7 support _ Contract**

**Location**: Changi Business Park, Singapore

**Employment Type**:12-Months Renewable Contract with NTT DATA Singapore

**Client**:Leading Global Bank

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**Job Summary**:
⸻

**Key Responsibilities**:

- Install, configure, and maintain Oracle and SQL Server databases.
- Create and manage new databases, ensuring performance and availability.
- Harden and patch database instances based on vulnerability assessments.
- Configure and test Backup-Restore procedures, ensuring recoverability.
- Set up and test DataGuard (Oracle) and AOAG (SQL Server).
- Perform switchover testing for DR and production environments.
- Execute database migration and upgrades across platforms/versions.
- Maintain accurate inventory of all database installations and assets.
- Troubleshoot and resolve database-related incidents and performance issues.
- Support audit activities by providing required documentation and evidence.
- Implement database changes in accordance with change management policies.
- Document all processes and update operational runbooks.
- Lead and mentor junior DBAs and act as a point of escalation.
- **Participate in 24x7 support (after-hours/weekends/holidays as required).**
- Perform change, release, incident, and problem management per SLAs.
- Address vulnerabilities and security risks raised by internal security teams.
- Conduct post-implementation reviews and fine-tuning of systems.

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**Requirements**:

- Bachelor’s Degree in Computer Science, Information Systems, or related field.
- 5+ years of hands-on DBA experience in Oracle (11g/12c/19c), with SQL Server knowledge.
- Strong experience in DataGuard, backup/restore, patching, and tuning.
- Familiar with AOAG, disaster recovery testing, and upgrade procedures.
- Solid understanding of ITIL practices (Change/Incident/Problem Management).
- Experience in banking or financial services environment is an added advantage.
- Able to work under pressure, including non-office hours and holidays when required.
- Excellent communication and documentation skills.

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**Why Join Us**:

- Opportunity to work on enterprise-grade, mission-critical banking systems.
- Long-term project with strong possibility of contract renewal.
- Collaborative team environment with support for continuous learning.

**Application Process**: