Oracle DBA — 24/7 On-Call, Performance & Security

SCIENTE; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

SCIENTE is seeking an experienced Oracle Database Administrator to support design, implementation, maintenance, security, and performance of Oracle database systems powering production operations. The role requires monitoring, incident handling, and 24/7 Level 2 support.

You will work with Linux/Unix environments, manage backups, patching, disaster recovery, and change control, and collaborate with security and audit teams to ensure compliance and data retention policies.

Qualifications

• Bachelor's degree in CS/IT/engineering or related field.
• Experience in Oracle Database Administration.
• Proficient in SQL and PL/SQL.
• Knowledge of Oracle architecture, backup & recovery, and performance tuning.
• Working knowledge of Linux/Unix, filesystem management, and Cron jobs.
• Strong troubleshooting, analytical, communication, and documentation skills.
• Willingness to participate in 24/7 on-call support and incident response.
• Experience with database monitoring and production support.
• Experience in Oracle patching, upgrades, and DB change/release management.
• Experience supporting database audit, security, and compliance requirements.

Responsibilities

• Monitor database health, availability, performance, and capacity; investigate alerts and incidents.
• Provide 24/7 Level 2 support and incident response for Oracle databases in production.
• Install, configure, upgrade, and maintain Oracle database software, storage, tablespaces, and indexes.
• Plan and execute database changes per IT change management; coordinate deployments and migrations.
• Assess risks and develop rollback plans for production changes.
• Conduct periodic failover, switchover, backup, and DR tests.
• Identify, test, and implement Oracle patches, updates, service packs.
• Implement backup and recovery strategies; support audits, security reviews, and data retention policies.
• Maintain database administration documentation, SOPs, and procedures.

Skills

Oracle

SQL

PL/SQL

Linux/Unix

Troubleshooting

Incident response

Monitoring

Security/compliance

Education

Bachelor's Degree in Computer Science/IT/Engineering

Tools

Oracle DBA tooling

Job description

SCIENTE is seeking an experienced Oracle Database Administrator to support design, implementation, maintenance, security, and performance of Oracle database systems powering production operations. The role requires monitoring, incident handling, and 24/7 Level 2 support.

You will work with Linux/Unix environments, manage backups, patching, disaster recovery, and change control, and collaborate with security and audit teams to ensure compliance and data retention policies.