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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Automation Engineer - **Company:** T-Systems Iberia - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Confluence, JIRA, Automation of Tests, Bash Shell, VoIP, Cloud Computing, Continuous Integration, Software Debugging, DevOps, Domain Name System (DNS), Python (Programming Language), Performance Tuning, Cloud Services, Prometheus, Wireshark, Wireless Networks, Real Time Systems, Spring Cloud, Grafana, Containerization, Gitlab-ci, Kubernetes, Machine Learning Operations, Terraform, Elk Stack, Artifactory, Vmware, Programming Languages - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Must-have requirements: + Good experience with cloud-native technologies and containerized environments + Strong proficiency with Containers and Kubernetes orchestration + Hands-on experience with IMS architectures and call flows (CSCFs, AS, MRF) + Demonstrated experience designing and maintaining CI/CD pipelines (e.g., GitLab CI) + Good knowledge of Python and Bash scripting languages + Structured troubleshooting methodology and root cause analysis capabilities + Experience with real-time systems and performance optimization in telecommunications environments + Familiarity with testing and validation frameworks for cloud-native applications Tools & Platforms: + SIP and Media debugging tools (Wireshark, sngrep) + Kubernetes management (kubectl, Helm) + CI/CD platforms (GitLab CI, Artifactory) + Infrastructure as Code and automation tools (Terraform, AWX, FluxCD) + Programming languages (Python, Bash) + Observability and monitoring solutions (Prometheus, Grafana, ELK Stack) + Agile collaboration tools (Jira, Confluence) + Container registries and artifact management systems Nice-to-have requirements: + Experience with AI/ML integration in telecommunications or real-time speech processing systems + Knowledge of Deutsche Telekom's CaaS Kubernetes platform or similar proprietary cloud solutions ## Description At the Telco Hub in Madrid, we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered cloud. Our teams operate in cross-country and cross-functional squads, delivering cutting-edge services to Europe's most valued Operator. Our mission is to create the best customer experience based on three core principles: - Cloud-based - Harnessing the latest technologies for scalability and performance. - Automated - Driving efficiency through AI, automation, and DevOps. - Sustainable - Building a future-ready, environmentally conscious infrastructure. We are looking for top engineering talent eager to grow technically and professionally in an innovative, dynamic, and collaborative environment. If you are passionate about shaping the future of telecommunications, this is your place! The Voice & Messaging (T-VM) organizational unit (Tribe) within Deutsche Telekom Technik GmbH bears overall responsibility for all voice and messaging platforms in the fixed and mobile networks of Deutsche Telekom Technik throughout their lifecycle. The platforms managed by T-VM form the basis for a large part of Telekom Deutschland's core business; therefore, our mission is to simultaneously ensure the success-critical factors of stability, quality, innovation, and efficiency. The ACS Squad (Announcement-, Control & Supportsystems) is responsible for the full lifecycle of critical IMS components within DT Technik. Responsibilities and Duties + IMS-MRF (Media Resource Function) deployed on Kubernetes + OneiDNS, a cloud-native DNS service for all IMS nodes in fixed and mobile networks, deployed on Kubernetes + VoIP Support Systems, a VMware-based application landscape within the IMS fixed network provisioning chain + We work as a DevOps team, taking full responsibility from design and engineering to deployment and operation. + One of our next major challenges is the development of a new AI Calling system, built on DT Technik's CaaS Kubernetes platform, enabling real-time speech processing and translation within IMS call flows. + To support us on this journey, we are looking for a motivated and technically strong colleague to strengthen our team. ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)