Database Administrator

About Codex Solutions

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.

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

• Implement and manage databases based on architectural designs and technical specifications.
• Deploy, configure, and maintain data storage solutions across various database models and environments.
• Manage cloud-hosted database infrastructures, optimising for cost-effectiveness, performance, and reliability.

• Recommend tuning strategies, indexing approaches, and operational improvements to enhance system throughput.
• Perform query optimisation and troubleshoot performance issues across relational and non-relational systems.

• Establish and enforce data lifecycle policies, including retention, archival, and deletion practices.
• Develop, maintain, and validate backup and recovery procedures to ensure data availability and integrity.

• Ensure database security, access control, and compliance with organisational and regulatory standards.
• Work with cross-functional teams to enforce best practices for data governance and audit requirements.

• Automate routine administrative tasks to improve operational efficiency and reduce manual effort.
• Leverage scripting or automation tools to support deployment, monitoring, and maintenance activities.

• Bachelor’s Degree in Computer Science, Information Systems, or a related discipline.
• At least 5 years of experience in database administration across multiple architectures.
• Proficient in relational databases such as Microsoft SQL Server and PostgreSQL.
• Experience with NoSQL databases (e.g., Cassandra, MongoDB) is preferred.
• Familiarity with object storage systems (e.g., AWS S3, Nutanix Object Store) is advantageous.
• Knowledge of graph databases (e.g., Neo4j) and associated query languages is preferred.
• Strong foundation in performance tuning, indexing strategies, and query optimisation.
• Experience with data lifecycle management, retention, and archival strategies.
• Proficient in automation and scripting (e.g., Python, Bash, PowerShell).
• Strong analytical thinking, problem-solving capabilities, and ability to work collaboratively across teams.

• Opportunity to work on impactful public sector digital platforms.
• Team-first culture with collaborative Agile practices.
• Access to modern testing tools and cloud-based DevOps environments.
• Structured career progression and skills development support.