Specialist Test Engineer
COSMOTE GLOBAL SOLUTIONS NV
Posted: November 7, 2025
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Quick Summary
We are seeking a Specialist Test Engineer to join our team in Luxembourg, where you will be responsible for developing effective strategies and test plans for our ICT Solutions and Services.
Required Skills
Job Description
COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.
CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.
Responsibilities:
• Review and analyze project specifications,
• Develop effective strategies and test plans including design and estimation of test cases,
• Create and execute tests (automated and manual) and analyze results,
• Programming test automation using Java, Katalon, Selenium, TestNG
• Report bugs and errors to development teams & assist in troubleshooting issues and reproduction steps,
• Work with cross-functional teams to ensure quality throughout the software development lifecycle,
• Coordinate testing team activities during release & post-release testing
Requirements:
• Master’s degree in IT, Computer science, Engineering, or related field.
• 11+ years of experience as a Test Engineer, with a focus on automation testing
• Proficiency in English
• Strong knowledge of testing methodologies and best practices.
• Ability to analyze complex systems and provide efficient solutions.
• Proven experience in test design and test execution
• Proven experience in quality assurance
• Proven ability to work in Agile teams (ISTQB AGILE Certified Tester or equivalent)
• Minimum 5 years of experience in quality assurance in large (more than 500 employees) organizations, in the credit risk and compliance areas.
• Minimum 5 years of experience in automation scripting (Katalon and selenium TestNG)
• Proven experience in QA coordination or test manager position