Oracle Database Administrator L3 (ExaCC / EBS / Core DB)

CORNERSTONE GLOBAL PARTNERS PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A prestigious recruitment firm in Singapore is seeking a Level 3 Oracle Database Administrator to provide expert-level support across Oracle platforms including Exadata Cloud@Customer and E-Business Suite. The role involves complex incident escalation, architecture guidance, and responsibility for database performance and improvements. Candidates should have over 8 years of hands-on Oracle DBA experience, with strong L3 support in enterprise settings and familiarity with RAC and Data Guard. This position offers opportunities for leadership and technical development.

Qualifications

• 8+ years of strong hands-on experience in Oracle Database Administration.
• Proven L3 support experience in enterprise or mission-critical environments.
• Deep expertise in Oracle ExaCC, including migration and operations.
• Strong experience supporting Oracle E-Business Suite (EBS) databases.
• Advanced skills in Oracle RAC, Data Guard, RMAN, performance tuning, and troubleshooting.
• Experience leading incidents, RCAs, and technical decision-making.

Responsibilities

• Act as the final escalation point (L3) for complex Oracle database incidents.
• Perform deep-dive root cause analysis (RCA) and implement fixes.
• Provide technical leadership and mentoring to L1/L2 DBAs.
• Drive service improvement initiatives, automation, and standardisation.
• Own end-to-end Oracle Exadata Cloud@Customer operations.
• Lead on-premise to ExaCC migration strategies and execution.
• Plan and execute EBS upgrades and technology stack maintenance.

Skills

Oracle Database Administration

L3 support experience

Oracle ExaCC

Oracle E-Business Suite (EBS)

Oracle RAC

Data Guard

Performance tuning

Troubleshooting

Education

Oracle certifications (OCP / OCM)

Job description

Job Title: Oracle Database Administrator – L3 (ExaCC / EBS / Core DB)

Job Summary

We are seeking a Level 3 (L3) Oracle Database Administrator to provide expert-level support, architecture guidance, and escalation management across enterprise Oracle platforms. This role owns Oracle Exadata Cloud@Customer (ExaCC) environments, Oracle E-Business Suite (EBS) databases, and core Oracle database administration and provisioning, with accountability for stability, performance, and continuous improvement in mission‑critical systems.

Key Responsibilities

L3 Operations & Escalation Ownership

• Act as the final escalation point (L3) for complex Oracle database incidents and production issues.
• Perform deep‑dive root cause analysis (RCA) and implement permanent fixes.
• Provide technical leadership and mentoring to L1/L2 DBAs.
• Drive service improvement initiatives, automation, and standardisation.

Oracle ExaCC Cloud Management & Migration

• Own end‑to‑end Oracle Exadata Cloud@Customer (ExaCC) operations and architecture.
• Lead on‑premise to ExaCC migration strategies, execution, and cutover planning.
• Optimise ExaCC performance, capacity, and availability.
• Work closely with cloud, infrastructure, and security teams to ensure compliance and resilience.

Oracle EBS Applications Management & Upgrade

• Lead Oracle E-Business Suite (EBS) database administration and lifecycle management.
• Plan and execute EBS upgrades, patching, and technology stack maintenance.
• Resolve complex EBS performance and integration issues.
• Support cloning, refresh, and environment synchronisation across DEV / SIT / UAT / PROD.

Oracle Core Database Administration & Provisioning

• Design and maintain high availability and disaster recovery solutions (RAC, Data Guard).
• Lead database provisioning, upgrades, and platform standardisation.
• Oversee backup, recovery, and DR testing strategies using RMAN.
• Ensure database security hardening, patching, and audit compliance.

Required Skills & Experience

• 8+ years of strong hands‑on experience in Oracle Database Administration.
• Proven L3 support experience in enterprise or mission‑critical environments.
• Deep expertise in Oracle ExaCC, including migration and operations.
• Strong experience supporting Oracle E-Business Suite (EBS) databases.
• Advanced skills in Oracle RAC, Data Guard, RMAN, performance tuning, and troubleshooting.
• Experience leading incidents, RCAs, and technical decision‑making.

Preferred Qualifications

• Oracle certifications (OCP / OCM) highly preferred.
• Experience in financial services or regulated environments is an advantage.
• Exposure to automation, scripting, or cloud operating models is beneficial.

If you believe you fit the requirements for the role, please submit your application below or drop us an email directly quoting the job title.

Due to an anticipated high volume of applicants, we regret that only shortlisted candidates will be notified. The information provided is for recruitment purposes only.

Know someone who would be a great fit for this role? Refer them to us and get rewarded.

Cornerstone Global Partners (EA License Number:19C9859) is an affirmative equal-opportunity employer and recruitment firm. We evaluate qualified applicants without regard to race, colour, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

Eugene Then
[e-mail]

EA Registration Number: R22104742.

Cornerstone Global Partners Pte Ltd (EA License:19C9859)