Senior IT Test Manager - Temenos T24 M/F

IT Test Manager – Core Banking / Temenos T24

Tessero is looking for an IT Test Manager – Core Banking / Temenos T24 for one of its clients based in Luxembourg.

• Contract: Long-term consulting assignment, full-time
• Compensation: Depending on experience
• Location: Luxembourg – onsite for the first 3 months, then hybrid working possible
• Languages: Fluent English required; German is an advantage
• Experience: Senior profile – ideally 9+ years of relevant experience in IT & Finance

Context

• Join a complex international banking environment where testing plays a central role in the reliability and evolution of critical Core Banking systems.
• Take ownership of testing activities around Temenos T24 / Transact, strengthening your expertise on a leading Core Banking platform.
• Gain strong visibility by working closely with Business, IT, Operations, Development and Project Management stakeholders.
• Contribute to strategic releases and transformation initiatives while developing your expertise in test governance, risk management and release readiness.
• Work with significant autonomy and directly influence quality, deployment decisions and continuous improvement across the delivery lifecycle.

Responsibilities

• By defining end-to-end test strategies, including scope, risk-based prioritisation and entry/exit criteria, you will strengthen your expertise in quality governance while taking ownership of critical banking initiatives.
• By building and maintaining test plans aligned with releases, upgrades and delivery cycles, you will gain exposure to complex Core Banking transformation projects.
• By coordinating SIT, UAT, integration and regression testing, you will increase your cross-functional visibility and become a key quality contact between Business and IT teams.
• By managing test environments, test data and test case preparation, you will deepen your understanding of complex banking architectures and system dependencies.
• By tracking defects, risks, KPIs and testing progress, you will play a central role in management reporting and release decision-making.
• By providing risk assessments and Go/No-Go recommendations, you will have a direct impact on production readiness and the quality of strategic releases.
• By driving continuous improvement and supporting test automation strategies, you will contribute to more efficient testing processes and modern delivery practices.

Skills

• Education: Bachelor's degree in IT, Engineering or a related discipline, or equivalent professional experience.
• Experience: Ideally 9+ years of relevant experience, including significant experience as an IT Test Manager / Test Lead within Banking or Financial Services.
• Core Banking: Proven experience with Temenos T24 / Temenos Transact and strong knowledge of banking modules and processes is essential.
• Testing: Strong expertise in test strategy, test planning, SIT, UAT, integration testing, regression testing and risk-based testing.
• Tools: Solid experience with test management and defect tracking solutions, ideally JIRA and Xray.
• Additional expertise: Exposure to IBM FileNet and/or Papyrus would be a strong advantage.
• Automation: Good understanding of test automation strategies and their integration into delivery pipelines.
• Certifications: ISTQB Test Manager, ISTQB Advanced Level Test Management, Agile Testing or equivalent certification is an advantage.
• Languages: Fluent professional English required; German is an advantage.
• Soft skills: Excellent stakeholder management and communication skills, with the ability to manage priorities, timelines, risks and quality expectations in a demanding environment.

Why join?

This is an excellent opportunity for an experienced IT Test Manager to take ownership of testing within a sophisticated Core Banking environment. You will strengthen your Temenos T24 / Transact expertise, influence strategic release decisions and work at the intersection of Business and IT on a long-term assignment offering visibility, autonomy and strong technical exposure.