ph3Company Description /h3 pT‑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 general team, guided by respect, integrity, and a passion for doing better every day. /p h3Job Description /h3 h3Project / Role Overview /h3 pAt 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: /p ul liCloud‑based – harnessing the latest technologies for scalability and performance. /li liAutomated – driving efficiency through AI, automation, and DevOps. /li liSustainable – building a future‑ready, environmentally conscious infrastructure. /li /ul pWe 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! /p pThe 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.



/p pThe T‑DAS 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. /p pAs part of this job posting, one Solution Designer is being sought for the SDM Lifecycle Squad. /p h3Responsibilities And Duties /h3 ul liEnd‑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 /li liMonitoring of frontend systems in the 5G/4G Core domain with Kibana and Grafana /li liIncident resolution and support for problem management /li liChecking the cloud cluster status using kubectl and k9s /li liAdjusting configurations using GitOps, including change management /li liProtocol‑level tracing using NetScout and Wireshark /li /ul h3Qualifications /h3 h3Must‑have requirements /h3 ul liIn‑depth knowledge and experience in the area of 5G Core (UDM, AMF, SMF, NRF) /li liConfident use of tools such as kubectl, k9s, Kibana, Grafana, GitOps, Netscout and Wireshark /li liExperience in YAML and JSON is an advantage,



experience in classic and agile forms of cooperation /li liBasic willingness to take on on‑call duty after thorough training /li /ul h3Nice‑to‑have Requirements /h3 ul liBasic knowledge of 4G Core (HSS, DRA) /li /ul h3Tools and Platforms /h3 ul liCNTDB, UDM+AUSF (AMF, SMF, NRF) Kubernetes based Cloud, kubectl, k9s, Kibana, Grafana, GitOps, Netscout and Wireshark /li /ul h3What do we offer you? /h3 h3Work environment flexibility /h3 ul liInternational, dynamic and collaborative environment /li liT‑Social: social initiatives (sports, community, health, …) /li liHybrid work model (remote/on‑site) /li liFlexible working hours /li /ul h3Growth development /h3 ul liCustomized training: access to Coursera to learn whatever you want, whenever you want /li liWeekly language classes (English, Spanish German) /li liInternational Mentoring Sessions Experience Days /li /ul h3Compensation Benefits /h3 ul liFlexible compensation plan (health insurance, meal vouchers, childcare, transport) /li liTelemedicine /li liLife and accident insurance /li liSocial fund /li /ul h3Wellbeing time off /h3 ul li26+ working days of vacation per year /li liFree access to specialist services (medical, legal, wellness) /li li100% salary coverage during medical leave /li /ul pAnd many more advantages of being part of T‑Systems! /p pIf you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team! /p pT‑Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer. /p /p #J-18808-Ljbffr

📌 4G/5G Core Network DB Operator (m/f/d) (Madrid)
🏢 T-Systems Iberia
📍 Madrid