Company Description

T‑Systems is part of the Deutsche Telekom Group, with approximately 30,000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.

We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.

Job 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.

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
- DevOps team, taking full responsibility from design and engineering to deployment and operation
- Development of a new AI Calling system built on DT Technik’s CaaS Kubernetes platform for real‑time speech processing and translation within IMS call flows
- Looking for a motivated and technically strong colleague to strengthen our team

Qualifications

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

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

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

What do we offer you?

Work environment & flexibility

- International, dynamic and collaborative environment
- T‑Social: social initiatives (sports, community, health, ...)
- Hybrid work model (remote/on‑site)
- Adaptable working hours

Growth & development

- Customized training: access to Coursera to learn whatever you want, whenever you want
- Weekly language classes (English, Spanish & German)
- International mentoring sessions & experience days

Compensation & benefits

- Flexible compensation plan (health insurance, meal vouchers, childcare, transport)
- Telemedicine
- Life and accident insurance
- Social fund

Wellbeing & time off

- 26+ working days of vacation per year
- Free access to specialist services (medical, legal, wellness)
- 100% salary coverage during medical leave

And many more advantages of being part of T‑Systems! If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team!

T‑Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.

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📌 IMS Test Automation -DevOps Engineer - Kubernetes - AI Calling (m/f/d) (Madrid)
🏢 T-Systems Iberia
📍 Madrid