Senior Data Tester

KJR; City of Brisbane; On-site; AUD 60,000 - 80,000; Full time

Job summary

Senior Data Tester role at KJR in Brisbane for a 4-month contract commencing late September 2026. You will work across healthcare data models, data migration, data ingestion, reconciliation and downstream reporting to ensure data completeness and accuracy across systems.

Strong SQL, data validation and end-to-end data pipeline testing are essential. Responsibilities include validating data ingestion, source-to-target checks, regression testing of reports, and collaborating with data,

Qualifications

• Experience in data testing and data migration testing.
• Advanced SQL/database querying skills.
• Experience with data validation and reconciliation.
• Experience testing data warehouses, ETL/data ingestion processes and data pipelines.
• Strong understanding of source-to-target data flows.
• Experience testing downstream reporting and data outputs.
• Integration and regression testing experience.
• Ability to investigate complex data discrepancies and identify root causes.
• Strong stakeholder engagement and defect management skills.
• Healthcare data/testing experience highly desirable.
• Experience with patient administration systems and patient activity data would be highly regarded.

Responsibilities

• Perform comprehensive data testing, validation and reconciliation
• Test healthcare/patient activity data models across a range of operational activities
• Validate data ingestion from source applications into enterprise data warehouse platforms
• Perform source-to-target validation and identify data discrepancies
• Conduct downstream regression testing of reports and data outputs
• Validate data flows between upstream and downstream applications
• Test workforce and operational data models and associated integrations
• Investigate data-quality issues and support defect triage and resolution
• Work closely with data, integration, business and testing teams

Skills

Data testing

Data migration testing

SQL

Data validation

Data warehouses

ETL ingestion

Source-to-target data flows

Regression testing

Data discrepancy investigation

Stakeholder engagement

Healthcare data testing

Patient activity data

Job description

Senior Data Tester

Duration: 4 months contract commencing late September until end of Jan 2027.

Location: Brisbane

The successful candidate will work across healthcare data models, data migration, data ingestion, reconciliation and downstream reporting, ensuring data is complete, accurate and successfully transferred across systems.

Key Responsibilities

• Perform comprehensive data testing, validation and reconciliation
• Test healthcare/patient activity data models across a range of operational activities
• Validate data ingestion from source applications into enterprise data warehouse platforms
• Perform source-to-target validation and identify data discrepancies
• Conduct downstream regression testing of reports and data outputs
• Validate data flows between upstream and downstream applications
• Test workforce and operational data models and associated integrations
• Investigate data-quality issues and support defect triage and resolution
• Work closely with data, integration, business and testing teams

Key Skills & Experience

• Strong experience in Data Testing and Data Migration Testing
• Advanced SQL/database querying skills
• Strong experience with data validation and reconciliation
• Experience testing data warehouses, ETL/data ingestion processes and data pipelines
• Strong understanding of source-to-target data flows
• Experience testing downstream reporting and data outputs
• Integration and regression testing experience
• Ability to investigate complex data discrepancies and identify root causes
• Strong stakeholder engagement and defect management skills
• Healthcare data/testing experience highly desirable
• Experience with patient administration systems and patient activity data would be highly regarded

If you’re an experienced Data Tester with strong SQL, data migration and reconciliation skills, we’d love to hear from you.

Why Join KJR?

At KJR, we help organisations deliver quality technology solutions through testing, quality engineering, data, AI, and advisory services. You will join a collaborative team that values curiosity, continuous learning, and delivering meaningful outcomes for our clients.

Who Are We?

We kicked off in a Gold Coast garage back in 1997, and today KJR has grown into a national technology consultancy with offices across Sydney, Melbourne, Brisbane, Canberra, and the Gold Coast.

For almost three decades, we've helped organisations deliver better outcomes through quality engineering, software testing, AI, data, and technology advisory services. We work with industries that matter — Government, Defence, Healthcare, Transport, Utilities, Financial Services, and more.

Our people — The Collective — are at the heart of everything we do. We invest heavily in career growth, leadership development, learning opportunities, recognition programs, and our annual Co-op Conference on the Gold Coast (which is every bit as fun as it sounds).

We're proud to be:

• A winner of the AIIA Diversity & Inclusion Award
• Recognised as a Great Place to Work® Certified™ workplace
• Named one of Australia's Best Workplaces™ in Technology
• Champions of diversity, inclusion, and gender equality
• Passionate about using technology to create positive social and community impact.

At KJR, we believe technology should make the world better — whether that's improving healthcare outcomes, enhancing public services, protecting communities, or helping organisations innovate with confidence.

Want to know more about us?

Visit KJR Website: https://kjr.com.au