Senior Oracle DBA

2 weeks ago

Singapore IDC TECHNOLOGIES (SINGAPORE) PTE. LTD. Full time
  • Install, configure, maintain, and upgrade SQL Server (2016/2019/2022) instances in cloud/on-prem environments.
  • Configure Always On Availability Groups, Log Shipping, Replication, and other HA/DR solutions.
  • Conduct performance tuning, query optimization, and implement indexing strategies.
  • Automate administrative tasks using T-SQL and PowerShell.
  • Migrate databases to AWS RDS and EC2 using best practices.
  • Implement and manage security, including access control, encryption, and auditing.
  • Install, configure, and administer Oracle 19c databases (on-prem and AWS-hosted).
  • Set up and manage Oracle Data Guard, RMAN backups, and tuning/diagnostics.
  • Perform routine health checks, patching, schema changes, and space management.
  • Manage provisioning, configuration, and maintenance of RDS SQL Server and Oracle 19c instances.
  • Monitor RDS performance, configure backup retention, parameter groups, and apply patches.
  • Handle snapshots, restore operations, and troubleshoot RDS-related issues.
  • 5+ years of DBA experience with strong focus on Microsoft SQL Server.
  • 2+ years of hands-on experience managing Oracle 19c databases.
  • Experience with AWS RDS (SQL Server and Oracle), CloudWatch, and performance tuning in cloud environments.
  • Strong scripting skills in T-SQL, PL/SQL, and PowerShell.
  • Deep understanding of HA/DR, backup/restore strategies, and cloud migration approaches.
  • Experience with monitoring, alerting, and automation tools.
  • Experience in supporting Oracle Database environments PROD/DR/DEV/QA/UAT
  • Strong experience in Database Administration in Oracle version ( 11g/12c/18C/19C )
  • Experience in supporting high availability Oracle RAC environment (2/3/4 node clusters),Oracle Golden Gate, Oracle Data Guard
  • Experience in troubleshooting and resolving database integrity issues, performance issues, blocking and deadlocking issues, connectivity issues, security issues
  • Strong Knowledge in Operating systems like windows and Unix
  • Generating reports in Oracle database using tools like AWR, ASH, ADDM and manual scripts.
  • Provide continuous monitoring, troubleshooting, historical and real time performance monitoring of the Oracle.
  • Strong Experience of RMAN, expdp/impdp, Backup/Recovery
  • Experience in evaluating and Installing new software releases, patches, upgrade and Database cloning
  • Experience in developing and executing database security policies, procedures
  • Daily health monitoring of database system and data integrity checks
  • Collect and analyze database performance information, identify and implement solutions for performance problems
  • Experience with other RDBMS,NO SQL, cloud platforms will be added advantage
  • Good communication skills and Documentation skills for processes and procedures ( creating KBs, runbooks, topology )
  • Work with users, vendors to take timely and appropriate steps to resolve and troubleshoot issues impacting service levels and conduct root cause analysis
Microsoft Certified: SQL Server DBA or Azure Administrator Associate
  • AWS Certified Database - Specialty
  • Oracle Database 19c Administrator Certified Professional
Soft Skills:
  • Excellent communication, problem-solving, and documentation skills
  • Ability to work independently and collaboratively in a remote or hybrid environment
  • Flexible to support critical issues and on-call rotations if required
Good to Have:
  • Working knowledge of MySQL and PostgreSQL in cloud environments (especially AWS RDS)
  • Exposure to DevOps tools, Terraform, CloudFormation, or CI/CD pipelines
  • Experience with multi-region/multi-AZ deployments and cost optimization in AWS

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