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Senior Database Administrator Job Opening In Singapore, Singapore – Now Hiring Singtel


Job description

Responsibilities:


Operations and Maintenance Activities:

  • Administer Oracle RAC, standalone databases, and Oracle Grid Infrastructure.
  • Perform daily health checks, space monitoring, log review, and backup validation.
  • Manage Oracle databases across all environments (Production, DR, UAT, Development).
  • Administer Oracle Data Guard for high availability and DR (monitor, switchover, failover).
  • Monitor databases using Oracle Enterprise Manager (OEM) and configure alerts.
  • Configure and manage Oracle AVDF (Audit Vault and Database Firewall).
  • Apply quarterly security patches and version upgrades using standardized change processes.
  • Perform database cloning, refreshes, object deployments, and schema changes.
  • Ensure reliable backup and recovery using RMAN; conduct periodic restore tests.
  • Coordinate with OS and storage teams to troubleshoot performance and capacity issues.
  • Review and tune SQL queries.
  • Support and Coordination:

  • Work closely with Infra and Application teams to ensure integration, performance, and availability.
  • Participate in Change meetings, deployment planning, and DR exercises.
  • Investigate and resolve incidents and problems; perform root cause analysis and implement permanent fixes.
  • Collaborate with security teams for audits and enforcement of database security controls.
  • Engage directly with government customer representatives to capture and deliver evolving requirements.
  • Consultation and Optimization:

  • Analyze application query performance; provide tuning recommendations.
  • Propose and implement improvements to database design, indexing, and storage layout.
  • Support new architecture or capacity expansion planning in consultation with stakeholders.
  • Document all changes, configurations, and recovery plans as per project and audit requirements.
  • Requirements:

    Technical Skills:

  • 8 to 10 years of hands-on experience as an Oracle DBA in a 24x7 production environment.
  • Strong experience with: Oracle RAC (Real Application Clusters) Oracle Enterprise Manager (OEM) Oracle Data Guard (configuration, monitoring, switchover/failover) Oracle AVDF (Audit Vault and Database Firewall) Oracle RMAN and ASM Performance tuning tools (AWR, ASH, SQL Tuning Advisor, TKPROF) Shell scripting and PL/SQL
  • Working knowledge of SAN storage interaction with Oracle ASM and database performance.
  • Soft Skills:

  • Strong consultative and communication skills to interact with technical teams and government stakeholders.
  • Ability to work independently in a high-pressure, production-critical environment.
  • Strong documentation, reporting, and analytical skills.
  • Certifications:
  • Oracle Certified Professional (OCP) – Database Administration (Preferred)
  • ITIL Foundation Certification (Preferred)
  • Required Skill Profession

    Computer Occupations


    • Job Details

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