4G/5G Core Network DB Operator (m/f/d)

T-Mobile
1 - 2 Años
€ No Revelado
Madrid
09-11-2026

Descripción

Job ID: 744000160219390

4G/5G Core Network DB Operator (m/f/d)

Madrid

Professional

Regular

T-Systems Iberia


Your Task

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. 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. This position is based at the Telco Hub in Madrid.

Responsibilities

  • End-to-end operation of the frontend systems in the 5G Core domain (UDM, AMF, SMF, NRF) as well as the 4G Core (HSS and DRA) in a cloud environment
  • Monitoring of frontend systems in the 5G/4G Core domain with Kibana and Grafana
  • Incident resolution and support for problem management
  • Checking the cloud cluster status using kubectl and k9s
  • Adjusting configurations using GitOps, including change management
  • Protocol-level tracing using NetScout and Wireshark

Your Profile

We are seeking a Solution Designer for the SDM Lifecycle Squad with deep expertise in 5G Core network systems, cloud-based infrastructure, and telecommunications platforms. The ideal candidate should have strong technical skills in Kubernetes-based environments, monitoring tools, and network protocol analysis.

Must Have Skills

  • In-depth knowledge and experience in 5G Core (UDM, AMF, SMF, NRF)
  • Confident use of kubectl
  • Confident use of k9s
  • Confident use of Kibana
  • Confident use of Grafana
  • Confident use of GitOps
  • Confident use of Netscout
  • Confident use of Wireshark
  • Experience in YAML
  • Experience in JSON
  • Experience in classic forms of cooperation
  • Experience in agile forms of cooperation
  • Basic willingness to take on on-call duty after thorough training

Nice to Have Skills

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

About Us

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.

Benefits

Compensation & benefits

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

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

Wellbeing & time off

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

Application Information

If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English.

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


Job Benefits

Health & Insurance

  • Flexible compensation plan (health insurance)
  • Life and accident insurance
  • Telemedicine

Financial

  • Flexible compensation plan (meal vouchers, childcare, transport)
  • 100% salary coverage during medical leave
  • Social fund

Work-Life Balance

  • Hybrid work model (remote/on-site)
  • Flexible working hours
  • 26+ working days of vacation per year

Professional 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

Lifestyle & Wellness

  • T-Social: social initiatives (sports, community, health, ...)
  • Free access to specialist services (medical, legal, wellness)

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Informática
Área Funcional
General
Educación
Educación Secundaria
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