Senior Engineer / Engineer (CIM Oracle Database)

Vanguard International Semiconductor Corporation; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Vanguard International Semiconductor Corporation in Singapore is seeking an experienced Oracle DBA to manage production databases and provide BAU support for CIM and manufacturing systems.

The role covers backup/recovery with RMAN, performance tuning (SPM/SQL tuning), monitoring, and incident management. Collaboration with data teams and application/infrastructure groups is essential to ensure high availability and point-in-time recoveries.

Qualifications

• Minimum 3 to 5 years of hands-on Oracle DBA experience in production environments.
• Experience managing L1/L2 DBA tasks including incident handling and root cause analysis.
• Strong knowledge of RMAN, AWR/ASH/ADDM, and Oracle performance optimization techniques.
• Practical experience with expdp/impdp, partitioning, and LOBs.
• Familiarity with scripting for automation (Shell, Python).

Responsibilities

• Act as Oracle DBA for CIM and related manufacturing systems.
• Provide BAU support in line with SLAs.
• Perform monitoring, session management, and tuning; handle incidents and root cause analysis.
• Backup and recovery using RMAN; database cloning as needed.
• Collaborate with internal big data teams to ensure efficient data flow and high availability.

Skills

Oracle DBA experience

BAU support

Scripting (Shell/Python)

Tools

RMAN

AWR/ASH/ADDM

expdp/impdp

partitioning

LOB management

SQL tuning

Job description

Job Description:

• Proving ofDatabase Operations & Support such as:
  Act as Oracle DBA for Computer Integrated Manufacturing (CIM) and related manufacturing systems.
• Ensure effective BAU support activities in line with internal customer needs and SLAs.
• Perform database monitoring, session management, lock analysis, long-running query handling and hung session resolution. Manage L1 and L2 DBA tasks, including incident handling, root cause analysis and preventive actions.
• Perform backup and recovery using RMAN, including database cloning (e.g. duplicate database).
• Use Oracle utilities and features such as expdp/impdp, partitioning, advanced compression, LOB management and concurrent statistics.
• Conduct performance tuning using SQL Plan Management (SPM), hints and SQL Tuning Advisor.
• Analyze AWR/ASH/ADDM reports and implement tuning recommendations.
• Troubleshoot database issues such as TNS/network connectivity, tablespace/FRA utilization, user privilege problems and alert log errors.
• Manage shift duties together with other team members to support production operations.
  Optimization, Automation & AI-Assisted Operations
• Identify opportunities to automate routine DBAtasks (monitoring, reporting, housekeeping, capacity checks) using scripting and available tools.
• Leverage the company's on-premise ChatGPTEngine and GitHub Copilot to improve productivity in scripting, documentation and problem analysis.
• Collaborate with internal big data teams using Hadoop and Greenplum platforms to ensure efficient data flow between Oracle databases and big data systems.
• Support initiatives to integrate database telemetry with big data / analytics platforms for advanced monitoring, anomaly detection and performance insights.
• Work closely with application, infrastructure and manufacturing teams to ensure high availability and performance of fab systems.
• Maintain up to date technical documentation, standard operating procedures and knowledge base articles.
• Share best practices and provide guidance to junior team members or L1 support where required.

Job Requirements:

• Minimum 3 to 5 years of solid hands-on experience as an Oracle DBA in production environments, including BAU support.
• Proven experience managing L1 and L2 DBA tasks (incident handling, monitoring, performance tuning, backup and recovery).
• Strong knowledge of RMAN, AWR/ASH/ADDM, SQL tuning and Oracle performance optimization techniques.
• Practical experience with expdp/impdp, partitioning, advanced compression, LOBs and related Oracle features.
• Good understanding of database security, user/role management and auditing concepts.
• Experience in troubleshooting connectivity issues, storage/tablespace problems and database availability incidents.
• Familiarity with scripting (e.g. Shell, Python or similar) for automation of DBA tasks.
• Ability to work in a shift-based support model and respond to production issues in a timely manner.