Automation & Controls Engineer (Plc/Scada)

ASX: Powering Australia's financial markets

Why join the ASX?

When you join ASX, you’re joining a company with a strong purpose – to power a stronger economic future by enabling a fair and dynamic marketplace for all.

In your new role, you’ll be part of a leading global securities exchange with a strong brand. We are known for being a trusted market operator and an exciting data hub.

We are more than a securities exchange

The ASX team brings together talented people from a diverse range of disciplines.

We run critical market infrastructure, with 1 in 3 people employed within technology. Yet we have a unique complexity of roles across a range of disciplines such as operations, program delivery, financial products, investor engagement, risk and compliance.

We’re proud to foster a workplace where diversity is celebrated and inclusion is part of our everyday culture. Our employee‑led networks champion LGBTIQ+ inclusion, promote gender equality, accessibility and wellbeing, inspire giving and volunteering, and celebrate cultural and religious events, creating a sense of belonging for all. As an AWEI Bronze employer and member of the Champions of Change Coalition for gender equality, we’re committed to a fair and inclusive workplace where everyone can thrive.

Your responsibilities

• Act as a practitioner and active contributor within the Quality Engineering and Testing (QE&T) Capability Community of Practice.
• Work within cross‑functional teams across Lines of Business to coordinate testing, automation and quality engineering activities.
• Design tests through in‑depth technical analysis of functional and non‑functional requirements, specifications and solution architecture.
• Plan, execute and deliver testing across all relevant phases, including non‑functional testing, while operating independently and collaboratively across delivery teams.
• Design, build, maintain and enhance automation frameworks; code, verify, amend and refactor automated tests, scripts and reusable libraries.
• Maintain end‑to‑end traceability from tests to requirements and ensure supporting evidence is complete and auditable.
• Support the Test Manager with test planning and with defining requirements for test environments, test data and tools.
• Contribute to the selection of fit‑for‑purpose automation approaches, standards and tools, and apply them to achieve well‑engineered outcomes.
• Participate in reviews of your own work and lead peer reviews of colleagues’ automation assets and engineering practices.
• Interpret and execute complex test scenarios, analyse results, investigate failures and maintain accurate defect records.
• Report progress, system quality, test results, anomalies, risks and issues associated with projects and releases, supported by meaningful metrics.
• Implement and support the ASX Software Testing Policy and Guidelines within assigned work, tools and delivery contexts, maintaining relevant documentation.

Your experience and qualifications

Must have

• Cloud and data platform testing
• Experience testing cloud and data platforms across AWS, Azure or GCP, with strong hands‑on capability in AWS‑hosted applications and data platforms.
• Design and implement automated testing for data ingestion, transformation, orchestration, storage, reconciliation and consumption processes.
• Validate data quality, completeness, accuracy, timeliness, lineage and integrity across source and target systems.
• Experience validating AWS services such as S3, Glue, Redshift, Lake Formation, DataZone, DMS and MWAA, where applicable.
• Experience testing microservices, container‑based solutions, batch pipelines and event‑driven integrations.
• Strong experience with ETL solutions, Business Objects, databases, SQL scripting, test environments and releases.
• Automation engineering
• Extensive automation experience using Python, Java or C#, including designing, building and maintaining scalable, reusable and reliable test automation frameworks.
• Develop, verify, refactor and maintain automated test code and reusable libraries for functional, integration, API, data, regression and selected non‑functional testing.
• Establish and apply standards for automation framework design, coding, naming, peer review and maintenance.
• Perform peer reviews and provide technical guidance to engineers and delivery partners.
• CI/CD and quality feedback
• Integrate automated test suites into GitLab or equivalent CI/CD pipelines to provide timely feedback during build, deployment and release processes.
• Maintain version‑controlled test assets using appropriate branching, review and release practices.
• Improve automated execution reliability, speed, maintainability and diagnostic capability, and supp