Senior Database Administrator (Oracle / SQL Server / Cloud & Automation)24/7 & Weekend support [...]

NTT SINGAPORE PTE. LTD.; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

NTT SINGAPORE PTE. LTD. is seeking an experienced Senior Database Administrator with 17+ years of expertise across Oracle, SQL Server, MySQL, PostgreSQL. The role focuses on managing enterprise databases, HA/DR, migrations, automation, and cloud transformations.

You will mentor junior DBAs and collaborate with cross-functional teams to drive excellence.

Qualifications

• Experience managing enterprise databases with high availability and disaster recovery.
• Ability to lead migrations, upgrades, and cloud transformation initiatives.
• Strong automation and scripting skills to optimize operations.

Responsibilities

• Administer and optimize Oracle, SQL Server, MySQL, and PostgreSQL databases.
• Design HA/DR solutions like Oracle RAC, Data Guard, SQL Always On, and Failover Clustering.
• Lead migrations, upgrades and cloud transformation initiatives.
• Develop automation using PowerShell, Python, Terraform, Ansible, and CI/CD pipelines.
• Implement monitoring, performance tuning, security controls, and compliance.
• Mentor junior DBAs and collaborate with cross-functional teams.

Skills

Enterprise database management

Mentor juniors

Cross-functional collaboration

Tools

Oracle

SQL Server

MySQL

PostgreSQL

MongoDB

Azure SQL

AWS RDS

Docker

Kubernetes

PowerShell

Python

Terraform

Ansible

Jenkins

Azure DevOps

Git

Job description

We are seeking an experienced Senior Database Administrator with 17+ years of expertise in managing and optimizing enterprise database environments across banking, government, healthcare, and large-scale enterprises. The ideal candidate will have strong hands-on experience with Oracle, SQL Server, MySQL, and PostgreSQL, along with expertise in database modernization, automation, cloud technologies, and DevOps practices.

Key Responsibilities:

• Administer, monitor, and optimize Oracle, SQL Server, MySQL, and PostgreSQL databases.
• Design and maintain high-availability and disaster recovery solutions including Oracle RAC, Data Guard, SQL Always On, and Failover Clustering.
• Lead database migrations, upgrades, and cloud transformation initiatives.
• Develop automation solutions using PowerShell, Python, Terraform, Ansible, and CI/CD pipelines.
• Implement proactive monitoring, performance tuning, security controls, and compliance standards.
• Collaborate with cross-functional teams and mentor junior DBAs to drive operational excellence.

Key Skills:

• Oracle (12c-19c), SQL Server (2016-2022), MySQL, PostgreSQL, MongoDB
• Azure SQL, AWS RDS, Docker, Kubernetes
• Terraform, Ansible, Jenkins, Azure DevOps, Git
• Performance tuning, capacity planning, backup & recovery
• Security technologies including TDE, auditing, and encryption