Senior Database Administrator: Security & Availability

ITCAN Pte Limited

Singapore

On-site

SGD 120,000 - 180,000

Full time

4 days ago

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Job summary

ITCAN Pte Limited is seeking a seasoned Database Administrator to safeguard critical data platforms, ensure performance, and maintain high availability for government, financial services, and enterprise clients. You will tackle complex reliability challenges and drive automation to reduce toil.

The role requires strong SQL/NoSQL skills, cloud database experience, and the ability to communicate clearly during incidents.

Qualifications

5+ years of hands-on experience administering production databases.
Experience with at least one major RDBMS (Oracle, SQL Server, PostgreSQL, or MySQL).
Backup, recovery, replication, clustering, and high availability knowledge.
Performance tuning, query optimisation, and troubleshooting.
Security, access management, and audit compliance experience.
Scripting in Shell, Python, or PowerShell for automation.
Experience supporting 24x7 production environments and incidents.
Strong communication across multiple teams.
Diploma or degree in Computer Science, Information Technology, or related field.

Responsibilities

Install, configure, upgrade, and patch database systems across development, test, and production environments.
Monitor database health and performance, and tune queries, indexes, and configurations to meet SLAs.
Design and implement backup, recovery, high availability, and disaster recovery solutions, and test them regularly.
Manage database security, including access control, encryption, auditing, and vulnerability remediation.
Support application teams with schema design, query optimisation, and release deployments.
Plan and execute database migrations, including on-premises to cloud and version upgrades, with minimal downtime.
Automate routine tasks using scripting and infrastructure-as-code tools.
Perform capacity planning and recommend improvements to storage, memory, and licensing.
Respond to incidents, perform root cause analysis, and document fixes and preventive actions.
Maintain accurate documentation, runbooks, and operational procedures.
Participate in on-call or standby rotation and planned after-hours maintenance.
Work with infrastructure, security, DevOps, and application teams, and communicate technical issues clearly to non-technical stakeholders.