Senior Applications Systems Tester

Senior Application / System Testers - Federal Government

9-month contract + up to 4 x 6-month extension options | APS6 equivalent | ACT, NSW, VIC or QLD | Hybrid

Multiple opportunities are available for experienced Senior Application System Testers to support a major Federal Government technology program.

These roles are well suited to experienced testers with strong capability across system testing, integration testing, data validation, migration testing, regression testing, UAT and defect management.

You will provide end-to-end quality assurance across application functionality, system integrations, data processing, reporting and business workflows, helping ensure delivered solutions are fit for purpose and ready for implementation.

The opportunity

You will be working closely with project teams, technical specialists and business stakeholders to ensure delivered capabilities are rigorously tested, traceable to approved requirements and aligned with defined business, technical and quality standards.

Key responsibilities

You will:

• Develop and maintain test strategies, test plans, test scenarios, test cases and expected results.

• Prepare and maintain Requirements Traceability Matrices (RTMs).

• Execute system, integration, regression and user acceptance testing.

• Develop reusable regression tests and automated test assets where appropriate.

• Prepare test data and expected-result datasets.

• Undertake data validation and migration reconciliation activities.

• Validate application functionality, business processes and system integrations against approved requirements.

• Identify, document and manage defects through to resolution.

• Support defect triage and maintain defect records in Azure DevOps.

• Produce test execution reports and quality status updates.

• Develop UAT plans, supporting materials, execution reports and defect logs.

• Support business users through User Acceptance Testing.

• Prepare test completion reports and residual-risk assessments.

• Develop business sign-off documentation.

• Provide release-readiness and production-verification advice.

• Support quality assurance across data processing, reporting and business workflows.

• Contribute to lessons learned, benefits realisation and testing improvement recommendations.

• Work closely with project, technical and business stakeholders throughout the delivery lifecycle.

Expected outcomes

The successful candidates will help ensure that:

• Business requirements and rules are traceable and adequately tested.

• Application functionality meets agreed acceptance criteria.

• Business processes operate as intended.

• Material data discrepancies are identified, investigated and reported.

• System, integration, regression and user acceptance testing is completed in line with approved testing frameworks and methodologies.

• Defects and quality risks are visible and appropriately managed.

• Business users are effectively supported through UAT.

• Release decisions are supported by clear and objective test evidence.

• Delivered capabilities are fit for purpose and suitable for implementation.

What we're looking for

You will be an experienced application or system tester with demonstrated capability delivering structured testing within complex digital or technology environments.

You will ideally bring:

• Strong experience developing and executing formal test strategies, plans, scenarios and test cases.

• Demonstrated experience across system testing, integration testing, regression testing and UAT.

• Experience testing business-critical applications and workflows.

• Strong understanding of requirements traceability and acceptance criteria.

• Experience preparing and maintaining Requirements Traceability Matrices.

• Demonstrated experience identifying, documenting and managing defects.

• Experience using Azure DevOps or similar tools for test and defect management.

• Strong experience with data validation, reconciliation and migration testing.

• The ability to analyse expected and actual system outcomes and investigate discrepancies.

• Experience preparing test reports, quality assessments and release-readiness recommendations.

• Strong stakeholder engagement and communication skills.

• The ability to work effectively with business users, developers, analysts and technical delivery teams.

Highly regarded

Experience in the following will be particularly valuable:

• Federal Government technology delivery

• Complex data or reporting platforms

• Data migration and reconciliation

• Environmental, scientific or regulatory systems

• Emissions reporting or greenhouse accounting environments

• Automated regression testing

• Azure DevOps

• Integration and API testing

• Test automation

• Business acceptance testing

• Release and production verification

• Agile or multidisciplinary delivery teams

Contract details

• Contract: 9 months

• Extensions: Up to 4 x 6-month extensions

• Expected commencement: 1 December 2026

• Locations: ACT, NSW, VIC or QLD

• Working arrangements: Hybrid

• Hours: Up to 40 hours per week

• Security: Must be able to obtain an Australian Government Baseline security clearance

Candidates based outside Canberra may be required to attend the Canberra office from time to time for key meetings, project milestones or implementation activities.

Applying

Please submit your resume outlining relevant experience across application testing, system testing, integration testing, UAT, data validation, defect management and quality assurance.