This position is at T-Systems The selection process will be entirely managed by T-Systems.
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- Your Task The team is responsible for the development and operations of Monitoring and Data Analytics Tools for the Network Control Platform of Deutsche Telekom Germany (AAA Fixed Net Germany).
The project is responsible for controlling Internet access and managing the underlying network infrastructure for Deutsche Telekom Germany.
It supports millions of concurrent user sessions while ensuring high availability, scalability, and reliability.
This role involves executing and validating software releases, developing test automation frameworks, and maintaining CI/CD pipelines and test environments.
You will operate and support test systems, design and execute platform-level test cases, and integrate solutions into the Deutsche Telekom test framework.
Responsibilities Execute and validate software releases through structured testing Develop and enhance test automation frameworks Maintain and evolve CI/CD pipelines and test environments Operate and support test systems, including deployment of software deliveries Design, execute, and document platform-level test cases, including reporting for formal acceptance Define and refine test cases to extend coverage and validate new functionalities Integrate solutions into the Deutsche Telekom test framework Ensure proper documentation within internal tool systems Perform troubleshooting and provide operational support during testing and rollout phases Support internal and external stakeholders in the test environment

Your Profile




We are looking for a qualified Test Engineer / QA Engineer with strong technical expertise in IP network infrastructure, Linux systems, cloud technologies, and software testing methodologies.
The adecuado candidate should have experience with CI/CD pipelines, test automation, and various testing tools, along with strong analytical skills and the ability to work in international environments.
Must Have Skills Strong knowledge of IP network infrastructure Advanced Linux expertise Experience with IP protocols (Radius, Diameter, SIP, SOAP) Cloud technologies

experience:
containers, Kubernetes, Docker Database knowledge (Redis, SQL databases) Experience with software testing methodologies (manual and automated testing) Familiarity with testing tools (e.g., Jira, Robot Framework) CI/CD toolchain experience (e.g., Git, Ansible, Cucumber, Flux, Argo) Strong understanding of requirements and specifications English proficiency (minimum B2 level) Analytical and structured thinking Detail-oriented and precise working style Strong skills in defect analysis and documentation Solid understanding of testing processes (e.g., Agile, Scrum) Strong teamwork and communication skills, especially in international environments High level of initiative and accountability Solution-oriented mindset Willingness to learn and adapt to new technologies Flexibility to work night shifts and participate in on-call duties Nice to Have Skills Basic programming skills (e.g., Java, Python, JavaScript) Experience with AI-supported testing tools Additional Information What do

we offer
you?
Work environment

📌 Automation Tester (Madrid)
🏢 T-Systems
📍 Madrid