Senior Test Automation Engineer - CREST Settlement Systems

Senior Test Automation Engineer - CREST Settlement Systems

Location: Hybrid (8 days onsite per month)Contract: 12 MonthsEngagement: Inside IR35Industry: Financial Services / Capital Markets

About the Role

We are seeking an experienced Senior Test Automation Engineer with strong experience across CREST settlement systems, test automation, and financial markets to join a leading financial services organisation.

Working within Agile delivery teams, you will play a key role in defining the overall testing strategy, designing and executing automated and manual test cases, and ensuring the successful delivery of high-quality software across business-critical settlement platforms.

This is an excellent opportunity to work on complex post-trade and securities settlement systems while collaborating with highly skilled engineering teams in a modern Agile environment.

Key Responsibilities

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• Develop and own Test Strategies and recommend the most effective testing approach.
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• Present testing strategies and approaches to technical and business stakeholders.
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• Review functional and technical specifications to produce comprehensive test scenarios and test cases.
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• Execute both manual and automated testing across multiple applications.
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• Perform peer reviews of test artefacts to ensure quality standards are maintained.
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• Manage defects throughout the testing lifecycle, including investigation, analysis and defect triage.
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• Work collaboratively across multiple Agile squads and distributed teams.
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• Provide regular progress updates and manage stakeholder expectations throughout delivery.
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• Ensure high-quality testing deliverables are produced in line with agreed standards.
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• Contribute to sprint planning, stand-ups, retrospectives and other Agile ceremonies.
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• Support continuous improvement of testing practices and automation capabilities.
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Essential Skills & Experience

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• Extensive experience as a Senior Test Automation Engineer, Quality Engineer, or Senior QA Engineer.
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• Proven experience working within Agile software delivery environments.
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• Strong Financial Services or Capital Markets background.
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• Experience creating and delivering comprehensive Test Strategies and Test Plans.
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• Excellent SQL skills.
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• Strong automation experience using:
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• Selenium
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• Java
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• UFT
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• Experience using:
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• Azure DevOps
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• ALM (Application Lifecycle Management)
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• Experience with:
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• CREST settlement systems
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• CREST proprietary messaging
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• SWIFT messaging
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• ISO15022 / ISO20022 messaging
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• Windows
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• UNIX
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• Excellent defect management and root cause analysis experience.
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• Strong stakeholder management and communication skills.
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• ISTQB or ISEB Foundation Certification.
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Desirable Skills

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• Playwright
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• BDD / TDD
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• Kafka
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• OpenShift
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• CI/CD pipelines
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• Jenkins
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• API Testing
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• Post-trade settlement platforms
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• Securities processing
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• Clearing and Custody systems
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*Rates depend on experience and client requirements