Test Engineer

COSMOTE GLOBAL SOLUTIONS NV

Luxembourg, Luxembourg, Luxembourg contract

Posted: November 7, 2025

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Quick Summary

Test Engineer

Required Skills

Java Katalon Selenium TestNG Agile ISTQB Testing Methodologies Software Development Lifecycle Quality Assurance

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:
• Bachelor’s degree in IT, Computer science, Engineering, or related field.
• Proficiency in English
• Knowledge of testing methodologies and best practices.
• Ability to analyze complex systems and provide efficient solutions.
• Experience in test design and test execution
• Experience in quality assurance
• Ability to work in Agile teams (ISTQB AGILE Certified Tester or equivalent)

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