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 Lifecycle Squad.

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 customers

• Experience 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.

Your Task

At the Telco Hub in Madrid, we are seeking a Solution Designer for the SDM Lifecycle Squad. This role is part of the Tribe Data, which is responsible for a system landscape of central components of the fixed and mobile network. 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.

Responsibilities

• Creation of a 12-site concept and 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

• Work with tools and platforms including UDM +AUSF (AMF, SMF, NRF), Kubernetes based Cloud, k8s, ELK, GitLab, and Artifactory

Your Profile

We are seeking a Solution Designer for the SDM Lifecycle Squad with deep expertise in 5G Core technologies, cloud-based Telco solutions, and modern development tools. The ideal candidate should have strong technical knowledge in designing and implementing telecommunications systems in cloud environments, with proficiency in Kubernetes, REST APIs, and microservice architectures.

Must Have Skills

• 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 Kubernetes (k8s)

• Confident use of ELK

• Confident use of GitLab

• Confident use of Artifactory

• Experience in the development and integration of REST based APIs

• Experience with modern security protocols

• Knowledge of microservice architecture

• Knowledge of cloud-based applications and databases

• Experience in designing cloud based solutions

• Ability to explain multifaceted technical requirements to colleagues and customers

• Experience in classic and agile forms of cooperation

Nice to Have Skills

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