Role Title: Database Engineer / Database Administrator Location: Sydney Experience: 5–8 years Job Description- We are seeking a skilled Database Engineer to design, implement, and manage relational and non-relational database solutions across multiple environments. The ideal candidate will have strong expertise in Oracle, PostgreSQL, and SQL Server , with a focus on performance, scalability, and data integrity. Key Responsibilities- Design and manage relational and non-relational database schemas across Oracle, PostgreSQL, and SQL Server. Develop and maintain data models , migration scripts , and ETL processes to support application and analytics requirements. Ensure optimal database performance through tuning, indexing, and schema optimization. Maintain data integrity, consistency, and security across all environments. Collaborate with cloud and application teams to support data migration to cloud platforms under strict security and compliance frameworks. Perform regular backups, monitoring, and disaster recovery planning . Implement and enforce database governance standards and access controls . Required Skills & Experience Proven experience with Oracle, PostgreSQL, and SQL Server database administration and development. Strong knowledge of data modelling, schema design , and performance tuning . Experience with data migration , ETL tools , and database scripting . Familiarity with cloud-based databases (AWS RDS, Azure SQL, etc.) and security best practices . Solid understanding of SQL , stored procedures , triggers , and query optimization . Excellent analytical, troubleshooting, and communication skills. Preferred Qualifications Experience with NoSQL databases (MongoDB, DynamoDB, etc.). Exposure to DevOps practices or CI/CD for databases . Certifications in Oracle DBA , PostgreSQL , or Azure/AWS databases . When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the Tech Aalto Privacy Policy, a copy of which is published at Tech Aalto’s website ( https://www.techaalto.com/privacy/) Confidentiality is assured, and only shortlisted candidates will be notified for interviews.
