About Codex Solutions
A joint venture company by ST Engineering and HTX (Home Team Science and Technology Agency), Codex Solutions is set up to be a dynamic and forward-looking technology company established to develop cutting-edge software solutions that support and strengthen Singapore's homeland security efforts.
As a mission-driven organisation, we are focused on building strong in-house capabilities that directly address the complex challenges faced by the Home Team.
With a strong emphasis on innovation, product excellence, and impact at scale, Codex Solutions offers a unique environment where purpose meets technology.
We are assembling a diverse and talented team of technologists and problem solvers who are passionate about making a real difference.
If you're looking to shape meaningful solutions and be part of something bigger — Codex Solutions is where you'll want to be.
Together, We Can Make A Significant Impact
We are seeking an experienced and versatile Database Administrator (DBA) to manage, optimise, and secure our database infrastructure across multiple platforms and environments.
The successful candidate will have a strong foundation in both traditional and emerging database technologies, with hands-on experience in automation, performance tuning, and cloud-based solutions.
Be Part of Our Success
- Administer and maintain relational and distributed databases (e.g., PostgreSQL, HDFS) across multiple environments.
- Implement database configurations, replication, and backups to ensure high availability and data integrity.
- Participate in database design discussions — advising on schema, indexing, and partitioning strategies.
- Perform query optimization and performance tuning to improve system efficiency.
- Support data ingestion pipelines and integration with modern frameworks such as Apache Iceberg, Apache Hudi, GraphDB, or VectorDB.
- Monitor and troubleshoot database performance and operational issues, escalating complex cases where needed.
- Automate administrative tasks using Python, PowerShell, or Bash scripts.
- Enforce security, access controls, and audit compliance in alignment with organizational policies.
- Collaborate closely with developers, DevOps engineers, and data analysts to support product and feature development.
Qualities We Value
- Minimum 4–5 years of experience in database administration, including hands-on experience with PostgreSQL or similar RDBMS.
- Solid understanding of query tuning, indexing, and partitioning strategies.
- Experience with distributed data or data lake frameworks (e.g., HDFS, Apache Iceberg, Apache Hudi).
- Familiarity with scripting and automation tools (Python, Bash, PowerShell).
- Exposure to graph or vector databases (GraphDB, Neo4j, VectorDB) will be an advantage.
- Working knowledge of database security, access control, and backup/recovery best practices.
- Strong analytical mindset, good communication skills, and a collaborative team player.
Our Commitment That Goes Beyond the Norm
- An environment where you will be working on cutting-edge technologies and architectures.
- Safe space where diverse perspectives are valued, and everyone's unique contributions are celebrated.
- Meaningful work and projects that make a difference in people's lives.
- A fun, passionate and collaborative workplace.
- Competitive remuneration and comprehensive benefits.