Oracle DBA — Security, Patch Automation & BigFix

HCL Technologies Limited; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

HCL Technologies Limited is seeking an experienced Oracle Database Administrator to manage security, patch lifecycle, and operational support across enterprise environments. The role focuses on CVE assessments, patch planning, BigFix Fixlet development, and ensuring high availability in SIT, UAT, DR, and Production.

Candidates should have 7+ years of Oracle DBA experience, strong knowledge of Oracle CPUs and RU updates, and automation expertise.

Qualifications

• Bachelor’s degree in CS/IT or related field.
• 7+ years of Oracle DBA experience.
• Experience with Oracle 19c/21c, RAC, Data Guard, and ASM.
• Knowledge of Oracle CPUs, RU, and patching processes.
• Familiarity with ITIL Change, Incident, and Problem Management.

Responsibilities

• Manage Oracle DB security, vulnerability remediation, and compliance.
• Plan and execute Oracle patching lifecycle with RU/RUR updates.
• Develop and maintain BigFix Fixlets for patches.
• Administer Oracle RAC, Data Guard, and RMAN backups.
• Provide disaster recovery support and performance tuning.

Skills

Oracle 19c/21c

Oracle RAC

Oracle Data Guard

Oracle ASM

CPU/RU patching

BigFix administration

Shell scripting

Performance tuning

Troubleshooting

Automation

Education

Bachelor's Degree in Computer Science, Information Technology, or related discipline

Tools

BigFix

Job description

HCL Technologies Limited is seeking an experienced Oracle Database Administrator to manage security, patch lifecycle, and operational support across enterprise environments. The role focuses on CVE assessments, patch planning, BigFix Fixlet development, and ensuring high availability in SIT, UAT, DR, and Production.

Candidates should have 7+ years of Oracle DBA experience, strong knowledge of Oracle CPUs and RU updates, and automation expertise.