Senior Oracle Database Administrator (DBA)_ 24*7 _Contract

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:

We are looking for an experienced Oracle Database Administrator (DBA) with strong hands-on skills in database installation, configuration, performance tuning, and high-availability solutions. The ideal candidate will be supporting mission-critical environments within the banking sector, ensuring database stability, security, and optimal performance. This is a renewable 13-month contract role based in Changi Business Park, Singapore.

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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:

To ensure the best fit for this role, we encourage applications from candidates who meet the must-have skills outlined above. If your experience aligns, we’d love to hear from you!

Interested candidates are kindly requested to email their CV with their experience to:

📧 [email protected]

We look forward to your application!