Oracle Database Administrator
Posted on April 8, 2025 by Avatar Techno Service
- Singapore, Singapore
- N/A
- Full Time

Level 3 Oracle Database Administrator
Key Responsibilities:
· Manage and administer Oracle databases (versions 12c, 19c, and newer) in production and development environments.
· Perform advanced database performance tuning, query optimization, and index management.
· Design and implement high availability (HA), disaster recovery (DR), and backup strategies (RMAN, Data Guard).
· Automate routine database tasks using PL/SQL, Shell scripting, or Ansible.
· Apply patches, perform upgrades/migrations (on-prem and cloud), and manage version control.
· Implement and enforce database security, roles, and user access controls.
· Monitor database health and proactively identify and resolve potential issues.
· Provide L3 support for escalated incidents and lead root cause analysis.
· Collaborate with development, infrastructure, and DevOps teams to support application and system integration.
· Participate in on-call rotation and support weekend deployments when necessary.
· Document architecture, configurations, and procedures for audit and knowledge transfer.
Requirements
· Bachelor's degree in Computer Science, Information Technology, or related field.
· 6 years of hands-on Oracle DBA experience with at least 3 years in a senior/L3 role.
· Expertise in Oracle, ASM, RMAN, Data Guard, and GoldenGate.
· Strong knowledge of Oracle internals, performance diagnostics (AWR, ASH, TKPROF), and troubleshooting tools.
· Experience with cloud platforms (OCI, AWS RDS for Oracle, or Azure Database for Oracle).
· Familiarity with ITIL processes and incident/change/problem management.
· Scripting experience (Shell, Python, or similar) for automation and monitoring.
· Excellent communication skills and the ability to work in a high-pressure environment.
Job Types: Full-time, Permanent
Pay: $8,000.00 - $9,000.00 per month
Advertised until:
May 8, 2025
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