Database Admin (SQL, RDBMS, Cloud)

Job description

​Database Admin (SQL, RDBMS, Cloud)

Must have experiences:

Hands-on Experience with RDBMS Platforms

Minimum 5 years of experience managing Oracle, Microsoft SQL Server, and PostgreSQL databases in production environments.

Strong SQL & Performance Optimization Skills

Proven ability to analyze, tune, and optimize SQL queries and scripts, advise developers, perform indexing, and conduct root cause analysis on performance issues.

Cloud & Automation Proficiency

Experience managing cloud-based databases, optimizing for scale and cost, and automating administrative tasks using scripting languages (e.g., Python, Bash, PowerShell).

This is not a routine DBA role. You won’t just be maintaining databases — you’ll be engineering resilience, scaling for performance, and driving real optimization across platforms.

We're looking for a database expert who can dive deep into infrastructure, code, and cloud. Someone who can not only manage systems — but evolve them.

Your Responsibilities

You’ll join a multidisciplinary team where performance, availability, and data integrity are essential. Your role spans traditional DBA tasks and more advanced advisory work, script tuning, and platform optimization.

What you'll own:

• Set up, configure, and maintain enterprise-grade RDBMS platforms including

  Oracle, Microsoft SQL Server, and PostgreSQL.

• Manage and optimize cloud-hosted databases, ensuring high availability, cost efficiency, and scalability.

• Conduct SQL performance tuning — from rewriting queries to refining indexes and execution plans.

• Analyze and troubleshoot performance bottlenecks; perform root cause analysis (RCA) and provide actionable solutions.

• Review, refactor, and advise on SQL scripts from developers and engineering teams.

• Define and implement strategies for data retention, archival, and secure deletion.

• Automate monitoring, backup, and administrative tasks using Python, PowerShell, Bash, or other scripting tools.

• Enforce database access control, encryption, and compliance with regulatory standards.

What You Bring:

We’re looking for a performance-minded DBA who goes beyond the basics. You know what makes a system fast, stable, and secure — and you know how to fix it when it’s not.

Your profile:

• 4+ years of hands-on experience in database administration.

• Proven expertise with Oracle RDBMS, SQL Server (MSSQL), and PostgreSQL in production environments.

• Strong SQL skills with deep knowledge in script tuning, indexing, and execution plan analysis.

• Experience advising developers on writing optimized SQL queries.

• Familiar with NoSQL technologies (e.g., MongoDB, Cassandra) (nice to have).

• Solid understanding of cloud platforms and managing cloud-native database services (e.g., AWS, Azure, etc.).

• Able to perform RCA and clearly communicate findings and recommendations to cross-functional teams.

• Skilled in using scripting tools to automate administrative and operational workflows.

Please contact Sheralynn Tjioe at SheralynnT@charterhouse.com.sg for a confidential discussion.

EA License no:16S8066 |Reg no.:R1878306

Only successful candidates will be notified.