Date: 23 Jun 2026

Location: Singapore, Singapore

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Company: Singtel Group

We are seeking a skilled Database Administrator (DBA) to manage, maintain, and optimise our database and data storage platforms. The DBA will ensure data availability, security, integrity, and performance across traditional database systems and modern object-storage data lake environments. This role includes administering S3-compatible storage technologies (such as MinIO) to support analytics, application workloads, and large-scale data ingestion.

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Database Administration

Install, configure, upgrade, and maintain database systems (e.g., MySQL, Microsoft SQL Server)
Monitor and tune database performance, including query optimisation, indexing strategies, and storage management
Implement and maintain database security controls, access management, and compliance with organisational and regulatory requirements
Perform regular backups, restoration testing, and disaster recovery planning
Troubleshoot and resolve database-related incidents and outages
Manage replication, clustering, and high-availability configurations
Collaborate with development teams to design and optimise database schemas
Work with application teams and vendors to ensure system reliability, security, and supportability
Document database architecture, operational procedures, and best practices
Support data migrations, system integrations, and environment upgrades
Support internal and external audits where required

Data Lake & Object Storage Administration

Manage and maintain object storage platforms (e.g., MinIO) to support data lake, backup, and application workloads
Configure and operate MinIO clusters (standalone or distributed), including erasure coding, load balancing, and multi-node scaling
Design and implement bucket structures, lifecycle policies, and storage tiering strategies
Implement strong access management practices, credential rotation, and API security for S3-compatible workloads
Monitor system health, capacity utilisation, I/O performance, and cluster reliability
Implement backup, replication, and disaster recovery strategies for object storage environments
Integrate object storage with analytics platforms, ETL pipelines, and application services using S3 APIs
Collaborate with data engineering teams to support ingestion, metadata management, and large-object workflows
Support compliance and audit requirements for data lake environments

Operations

Office-hour role with rotating 24×7 on-call standby responsibilities
Required to support multiple sites within Singapore as part of operational needs; remote support for overseas deployments may be required

Skills for success

Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
Proven experience as a Database Administrator or in a similar technical role
Strong SQL proficiency and understanding of database design principles
Hands-on experience with database backup, recovery, and performance tuning
Working knowledge of operating systems (Linux and/or Windows) and networking fundamentals
Experience with object storage or S3-compatible systems (e.g., MinIO, AWS S3, Ceph RGW)
Familiarity with distributed storage concepts (replication, erasure coding, cluster topology)

Preferred Skills

Experience deploying or administering MinIO in production environments
Knowledge of automation and scripting (Shell, Python, PowerShell)
Familiarity with monitoring and observability tools (e.g., Prometheus, Grafana)
Experience with data lake architectures, including lifecycle policies, tiered storage, and metadata management
Exposure to data warehousing or ETL processes
Relevant professional certifications (e.g., Microsoft SQL Server or cloud/storage-related certifications)

Soft Skills

Strong problem-solving and analytical abilities
Attention to detail and commitment to data accuracy
Clear communication and collaborative working style
Ability to manage priorities effectively, including during on-call situations
Ability to work effectively with cross-functional and diverse teams

Tools & Technologies (Optional)

Databases: MySQL, Microsoft SQL Server
Object Storage: MinIO, AWS S3, S3-compatible platforms
Monitoring: Prometheus, Grafana
Scripting: Shell, Python, PowerShell
Operating Systems: Linux, Windows

Rewards that Go Beyond

• Flexible work arrangements
• Full suite of health and wellness benefits
• Ongoing training and development programs
• Internal mobility opportunities

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