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All jobsOnsiteEngineeringdata infra5+ yearsoracle
OnsiteSeniordata infra

Database Administrator

MerquriSingaporePosted 18 May 2026

Merquri is seeking a Senior Database Administrator to manage, optimize, and architect production database infrastructure. The role involves 24/7 support, troubleshooting, performance tuning, and schema design within an AWS cloud environment. Candidates must have at least 5 years of hands-on experience with Oracle and other mainstream databases like PostgreSQL. The position requires strong expertise in Linux-based database configuration and cloud infrastructure management.

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Experience

5+ years

Function

Engineering

Work mode

Onsite, Singapore

Company

Tier 2

What you will work on

Merquri is seeking a Senior Database Administrator to manage, optimize, and architect production database infrastructure. The role involves 24/7 support, troubleshooting, performance tuning, and schema design within an AWS cloud environment. Candidates must have at least 5 years of hands-on experience with Oracle and other mainstream databases like PostgreSQL. The position requires strong expertise in Linux-based database configuration and cloud infrastructure management.

TAL's take

Quality 55/1005/5 clarityTier 2 company

Solid tier-2 database infrastructure role with clear, well-defined responsibilities and technical expectations.

Very well-defined responsibilities, clear technology requirements, and specific operational expectations.

Must haves

  • 5+ years hands-on experience in Oracle Database Administration
  • 5+ years experience managing mainstream database systems like PostgreSQL or MySQL
  • Experience in database infrastructure and architecture design
  • Experience with AWS RDS or major cloud platforms
  • Expert-level proficiency in database optimization and performance tuning
  • Experience configuring on-premise databases in Linux

Tools and skills

oraclepostgresqlmysqlaws redshiftaws rdspl/sqllinux

Nice to have: oracle goldengate, oracle rac, aws s3, java.

About the company

unfamiliar company, default mid-tier