CIM Engineer / Senior Engineer (Oracle Database)

Vanguard International Semiconductor Corporation (VIS); Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Vanguard International Semiconductor Corporation (VIS) is seeking an experienced Oracle DBA to support CIM and manufacturing systems. The role focuses on high availability, performance monitoring, and efficient incident response within a shift-based support model.

You will handle backups with RMAN, perform tuning using AWR/ASH/ADDM and SQL Advisor, and collaborate with data teams to optimize data flow between Oracle and big data platforms. Strong scripting experience is advantageous.

Qualifications

• Solid hands-on experience as an Oracle DBA in production environments.
• Experience managing L1 and L2 DBA tasks (incident handling, monitoring, performance tuning).
• Strong knowledge of RMAN, AWR/ASH/ADDM, SQL tuning and Oracle performance optimisation techniques.
• Practical experience with expdp/impdp, partitioning, advanced compression, LOBs and related Oracle features.

Responsibilities

• Act as Oracle DBA for CIM and related manufacturing systems, ensuring high availability.
• Perform database monitoring, session management, lock analysis, and long-running query handling.
• Manage L1 and L2 DBA tasks including incident handling and root cause analysis.
• Perform backup and recovery using RMAN, including cloning/duplication of databases.
• Collaborate with big data teams to integrate Oracle with Hadoop/Greenplum platforms.

Skills

Oracle DBA

BAU Support

L1/L2 Tasks

Scripting

Shift-based Support

Team Collaboration

Tools

RMAN

expdp/impdp

AWR/ASH/ADDM

SQL Tuning

Partitioning

LOB Management

Job description

Job Responsibilities

• Act as Oracle DBA for 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.
• Analyse AWR/ASH/ADDM reports and implement tuning recommendations.
• Troubleshoot database issues such as TNS/network connectivity, tablespace/FRA utilisation, user privilege problems and alert log errors.
• Manage shift duties together with other team members to support production operations.
• Optimisation, Automation & AI‑Assisted Operations
• Identify opportunities to automate routine DBA tasks (monitoring, reporting, housekeeping, capacity checks) using scripting and available tools.
• Leverage the company’s on‑premise ChatGPT Engine 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.

Job Requirements

• 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.
• 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 optimisation 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.