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    T-Systems Iberia

    Information Technology

    IMS Test Automation -DevOps Engineer - Kubernetes - AI Calling (m/f/d)

    Madrid, SpainHybridFull-timePosted 3mo ago
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    Job description

    Project 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.

    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

    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)
    • Flexible 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.

    Job details are sourced from the employer's original posting.

    Open job posting
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    About the company

    T-Systems Iberia

    At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. We want to welcome new talents like you, who bring fresh ideas, different perspectives, embrace challenges, and are committed to continuous learning in order to grow and make an impact on society... all in a fun way! It doesn't matter when or where you work. It's about doing meaningful work that advances society. For this reason, we will do everything possible to ensure that you have all the development opportunities by providing a support network, excellent technology, a new work environment, and the freedom to work autonomously. We support you in growing both personally and professionally so that you can make a notable impact on society. T-Systems is a team of around 28,000 employees worldwide, making us one of the leading global providers of end-to-end integrated solutions. We develop hybrid cloud solutions, artificial intelligence, and drive the digital transformation of companies, industries, the public sector, and ultimately, society as a whole.

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    Industry
    Information Technology
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