AVP, Database Engineer, Group Infrastructure & Cloud, Group Technology

DBS Bank Ltd; Singapore; On-site; SGD 110,000 - 160,000; Full time

Job summary

DBS Bank Ltd in Singapore is seeking an experienced Oracle Database Administrator to manage and support Oracle Exadata Database Machine environments, with a focus on high availability and performance.

You will monitor with Oracle Enterprise Manager, perform RMAN backups, apply patches, tune SQL, and collaborate with cross-functional teams to deliver resilient data services at DBS Asia Hub in Singapore.

Qualifications

• Strong experience in Oracle Database Administration.
• Hands-on Exadata storage cells, Smart Scans, HCC, and Flash Cache management.
• Proven RMAN backups, recovery, and data migration on large production databases.
• Deep knowledge of AWR/ASH/ADDM reports, SQL tuning, execution plans, and optimizer behaviour.
• Experience with patching, upgrading, and security hardening of Exadata.
• Preferred: Financial services or high-frequency trading environment experience due to high-availability needs.
• Experience with Oracle Enterprise Manager Cloud Control.
• Excellent troubleshooting and analytical abilities.
• Strong scripting (Bash, Python) for automation and monitoring.
• Experience with Bitbucket and code management practices.
• Strong documentation skills, including Confluence pages.

Responsibilities

• Manage and support Oracle Exadata Database Machine environments (primary role) and data engineering processes (secondary role).
• Use Oracle Enterprise Manager to monitor performance metrics and identify bottlenecks.
• Manage Oracle RAC, ASM, Grid Infrastructure, and Oracle Database instances on Exadata.
• Support high availability and disaster recovery solutions such as Data Guard and RAC.
• Execute backup/recovery procedures using RMAN to meet RPO/RTO requirements.
• Install, configure, patch, upgrade, and maintain Exadata software, Grid Infrastructure, and Oracle databases.
• Perform Exadata health checks, monitoring, capacity planning, and performance tuning.
• Monitor cell server performance and capacity planning.
• Manage storage cells, cell disks, grid disks, flash cache, IORM, and Smart Scan-related features.
• Provide support for critical incidents, perform RCA, and implement long-term fixes across database, clusterware, ASM, storage, network, and Exadata cell issues.
• Implement security best practices, access controls, auditing, compliance requirements, and hardening.
• Manage database access and security policies in a regulated environment.
• Develop automation scripts and tools using Python.
• Manage source code repositories and version control using Bitbucket.
• Create and maintain proper technical documentation and Confluence pages.
• Collaborate effectively with cross-functional teams to deliver solutions.

Skills

Oracle Database Administration

Exadata storage cells

RMAN backups

SQL tuning

Security hardening

Oracle Enterprise Manager

Python scripting

Bash scripting

Bitbucket

Confluence documentation

Tools

Oracle Enterprise Manager Cloud Control

RMAN utilities

Bitbucket

Confluence

Job description

Business Function Group Technology enables and empowers the bank with an efficient, nimble and resilient infrastructure through a strategic focus on productivity, quality & control, technology, people capability and innovation. In Group Technology, we manage the majority of the Bank's operational processes and inspire to delight our business partners through our multiple banking delivery channels.

Responsibilities

• Manage and support Oracle Exadata Database Machine environments (primary role) and data engineering processes (secondary role).
• Use Oracle Enterprise Manager (OEM) to monitor performance metrics and identify bottlenecks.
• Manage Oracle RAC, ASM, Grid Infrastructure, and Oracle Database instances on Exadata.
• Support high availability and disaster recovery solutions such as Data Guard and RAC.
• Execute backup/recovery procedures using RMAN to meet stringent RPO/RTO requirements.
• Install, configure, patch, upgrade, and maintain Exadata software, Grid Infrastructure, and Oracle databases.
• Perform Exadata health checks, monitoring, capacity planning, and performance tuning.
• Monitor cell server performance and capacity planning.
• Manage storage cells, cell disks, grid disks, flash cache, IORM, and Smart Scan-related features.
• Providing support for critical incidents, performing RCA, and implementing long‑term fixed Troubleshoot database, clusterware, ASM, storage, network, and Exadata cell issues.
• Implement security best practices, access controls, auditing, compliance requirements, and hardening.
• Manage database access and security policies in a regulated environment.
• Develop automation scripts and tools using Python.
• Manage source code repositories and version control using Bitbucket.
• Create and maintain proper technical documentation and Confluence pages.
• Collaborate effectively with cross‑functional teams to deliver solutions.

Requirements

• Strong experience in Oracle Database Administration.
• Hands‑on experience with Exadata storage cells, Smart Scans, Hybrid Columnar Compression (HCC), and Flash Cache management.
• Proven expertise in RMAN backups, recovery, and data migration, specifically on large‑scale production databases.
• Deep knowledge of AWR/ASH/ADDM reports, SQL tuning, execution plans, and optimizer behaviour.
• Experience with patching, upgrading, and security hardening of Exadata.
• Financial services or high‑frequency trading environment experience is preferred due to high‑availability needs.
• Experience with Oracle Enterprise Manager Cloud Control.
• Excellent troubleshooting, diagnostic, and analytical abilities.
• Ability to work under pressure during production downtime or critical incidents.
• Strong command‑line skills, including scripting (Bash, Python) for automation and monitoring.
• Experience with Bitbucket and code management practices.
• Strong documentation skills, including maintaining Confluence pages.
• Ability to learn quickly and adapt to new technologies.
• Familiarity with Distributed and Graph Database technologies is an advantage.

We offer a competitive salary and benefits package and the professional advantages of a dynamic environment that supports your development and recognises your achievements.

Location: DBS Asia Hub Job: Technology Schedule: Regular Employee Status: Full time

DBS is more than a bank — we're shaping the future of finance and communities. With innovation at our core and impact in our DNA, we go beyond banking to build careers, relationships, and a better world. DBS is a leading financial services group in Asia with a presence in 19 markets. Headquartered and listed in Singapore, DBS is in the three key Asian axes of growth: Greater China, Southeast Asia and South Asia. Recognised for its global leadership, DBS has been named “World’s Best Bank” by Global Finance, “World’s Best Bank” by Euromoney and “Global Bank of the Year” by The Banker. The bank is at the forefront of leveraging digital technology to shape the future of banking, having been named “World’s Best Digital Bank” by Euromoney and the world’s “Most Innovative in Digital Banking” by The Banker. In addition, DBS has been accorded the “Safest Bank in Asia” award by Global Finance for 15 consecutive years from 2009 to 2023. DBS provides a full range of services in consumer, SME and corporate banking. As a bank born and bred in Asia, DBS understands the intricacies of doing business in the region’s most dynamic markets and is committed to building lasting relationships with customers. With its extensive network of operations in Asia and emphasis on engaging and empowering its staff, DBS presents exciting career opportunities.