Senior ETL Migration Engineer
Your new company
This organisation operates within a large, complex setting supporting critical infrastructure and public-facing services. With a strong focus on secure, scalable technology solutions, the business partners with a range of internal and external stakeholders to deliver modern data platforms and cloud-based capabilities. The team is collaborative, delivery-focused and works across multiple high-impact technology programs.Your new roleAs a Senior ETL & Data Migration Engineer, you will lead the design, execution and assurance of complex data migrations from legacy SQL Server systems into Azure SQL Managed Instance. This is a hands-on, project-focused role where you'll work in environments with limited or evolving documentation, requiring strong analytical thinking and investigative skills. You will be responsible for end-to-end migration activities including data discovery, mapping, transformation, validation and cutover execution, ensuring data integrity, performance and security throughout.
Key responsibilities include:
Designing and delivering repeatable, end-to-end data migration solutions
Analysing legacy systems to understand data structures, dependencies and risks
Building and operating migration pipelines using tools such as SSIS, BCP and Azure Data Factory
Developing scripts and utilities using SQL, C#, Python or similar
Automating validation, reconciliation and migration processes
Ensuring data quality, integrity and compliance with security requirements
Collaborating with technical,



delivery and business stakeholders
Supporting testing, validation and verification of migrated data
What you'll need to succeed
Proven experience delivering complex data migration projects
Strong expertise in SQL Server and Azure SQL Managed Instance
Hands-on experience with ETL and migration tools (e.g. SSIS, BCP, Azure Data Factory)
Solid scripting capability (SQL, C#, Python or similar)
Strong analytical and problem-solving skills, particularly in low-documentation environments
Experience working in cloud-based (Azure) environments
Experience managing data transformation, validation and reconciliation
Strong communication and stakeholder engagement skills
Experience in secure or regulated environments (highly regarded)
Relevant tertiary qualification in IT, Computer Science, or equivalent experience
Ability to meet security and clearance requirements where required
What you'll get in return
Opportunity to work on large-scale, high-impact data migration programs
Exposure to modern cloud technologies and enterprise environments
A collaborative and supportive team culture
The chance to influence migration strategy and engineering practices
Competitive daily rate or salary depending on engagement
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career.
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📌 Senior Etl Migration Engineer (Sydney)
🏢 Hays
📍 Sydney