Solution Designer UDM (m/f/d)

t-systemsiberia· O-SISGD - GDC Iberia (34005365)
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📍 MD📍 Madrid📍 Madrid, MD, Spain📍 esFull time

About this role

Company Description

T‑Systems is part of the Deutsche Telekom Group, with around 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

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 Tribe Data is responsible for a system landscape of central components of the fixed and mobile network, which encompasses a wide range of different systems and platforms.

The T-DAT SDM Lifecycle Squad is responsible for the planning and operation of the central network databases (CNTDB) for all access networks (mobile, fixed-line, M2M), as well as HLR/HSS throughout their entire lifecycle, along with 5GC-relevant systems such as UDM & AUSF. This includes ensuring the stable operation of the SDM platform, as well as the deployment and piloting of the systems in a cloud environment.

As part of this job posting, one Solution Designer is being sought for the SDM LifecycleSquad.
 

Responsibilities and Duties:

  • Creation of a 12-site concept; analysis of Converged T-CaaS
  • Development of the design for the final integration with the in-house developed automation solution
  • Documentation of the cloud rollout strategy for the production environment
  • Finalization of the designs for vTAP integration
  • Design of the future configuration management solution
  • Development of the rollout strategy for mTLS/oAuth2.0 in Lot3
  • Design of the future 5G SA roaming concept

Tools and Platforms:

  • UDM +AUSF (AMF, SMF, NRF)   Kubernetes based Cloud   k8s, ELK, GitLab, Artifactory

Qualifications

Must-have requirements:

  • In-depth knowledge and experience in the area of 5G Core (UDM, AMF, SMF, NRF)
  • Expertise in designing TelCo solutions in a cloud environment
  • Confident use of tools such as k8s, ELK, GitLab, Artifactory
  • experience in the development/integration of REST based APIs and modern security protocols
  • knowledge of microservice architecture as well as cloud-based applications and databases
  • experience in designing cloud based solutions and the ability to explain multifaceted technical requirements to colleagues and customersexperience in classic and agile forms of cooperation

Nice-to-have requirements:

  • Basic knowledge of 4G Core (HSS, DRA) 

Additional Information

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.

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Frequently Asked Questions

Is the salary disclosed for the Solution Designer UDM (m/f/d) position at t-systemsiberia?
The salary for this Solution Designer UDM (m/f/d) role at t-systemsiberia is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Solution Designer UDM (m/f/d) position at t-systemsiberia located?
This Solution Designer UDM (m/f/d) role at t-systemsiberia is based in MD, Madrid, Madrid, MD, Spain, es. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Solution Designer UDM (m/f/d) role at t-systemsiberia full-time or part-time?
This is listed as a Full time position. It is posted as a Solution Designer UDM (m/f/d) role in the O-SISGD - GDC Iberia (34005365) department at t-systemsiberia.
Which team or department does the Solution Designer UDM (m/f/d) at t-systemsiberia belong to?
This Solution Designer UDM (m/f/d) position is part of the O-SISGD - GDC Iberia (34005365) department at t-systemsiberia. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Solution Designer UDM (m/f/d) position at t-systemsiberia?
Click the "Apply Now" button on this page. You will be redirected to t-systemsiberia's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Solution Designer UDM (m/f/d) job at t-systemsiberia posted?
This Solution Designer UDM (m/f/d) position at t-systemsiberia was posted on May 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Solution Designer UDM (m/f/d)
t-systemsiberia
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