ph3Company Description /h3pT‑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. /ppWe trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one integral team, guided by respect, integrity, and a passion for doing better every day. /ph3Job Description /h3pAt 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. /ppOur mission is to create the best customer experience based on three core principles: /pulliCloud-based– Harnessing the latest technologies for scalability and performance. /liliAutomated– Driving efficiency through AI, automation, and DevOps. /liliSustainable– Building a future‑ready, environmentally conscious infrastructure. /li /ulpThe Data Tribe (T-DAT) within the Services Platforms (T-SP) division bears holistic responsibility for all data services in the fixed and mobile networks throughout their entire lifecycle. The Packet Core Supersquad/Enterprise Core Squad is responsible for our business customer services in our mobile core networks. In this position, you will analyze new customer and business requirements, design suitable solutions, and initiate all necessary developments and adaptations in our state‑of‑the‑art cloud‑native 4G and 5G core networks.



/ph3Responsibilities and Duties /h3ulliAnalyze customer and business requirements and translate them into suitable solution and system designs and into clear technical requirement descriptions for the implementation teams. /liliEngineering and designing cloud‑native network functions. /liliImprove implementations to optimize customer experience, reliability and efficiency. /liliDesign and development of automation solutions for the provisioning and operation of services. /liliDesign and create high availability solutions and disaster recovery plans to ensure service stability and rapid recovery. /liliProvide support for complex projects across development, quality assurance, and project planning, as well as assist with the implementation of new mobile core software releases. /liliCollaborate closely with involved implementation teams to streamline processes, enhance software and system performance and apply innovative technologies and concepts. /li /ulh3Must-have requirements /h3ulliIn-depth understanding of mobile core network applications, including their functions, procedures, interfaces and protocols in 4G enhanced packet core (4G ePC), 5G non‑standalone core (5G NSA) and 5G standalone core (5G SA). /liliSeveral years of professional experience in a telecommunications company, specifically in the operation of telecommunications services (incident, problem, and change management).



/liliExperience in operating of containerized network functions (CNF, ideally Mavenir products) in cloud‑native environments. /liliHands‑on experience in administering Linux machines. /liliHands‑on experience in tracing and protocol analysis in microservice architectures. /liliAbility to work both very independently and in international, cross‑cultural teams. /li /ulh3Nice-to-have requirements /h3ulliExperience in classic and agile project management. /li /ulh3Tools and Platforms /h3ulli5G SA /lili5G NSA /lili4G ePC /liliGSMA-DNS /liliLinux Admin (Ubuntu, RedHat) /liliBIND9 /liliGitLab (CI/CD pipelines) /liliAnsible /liliKubernetes based cloud /liliWireshark /liliELK‑Stack /liliVisual Studio Code /liliPython /liliJira /li /ulh3Additional Information /h3h3What do we offer you? /h3h3Work environment flexibility /h3ulliInternational, dynamic and collaborative environment. /liliT‑Social: social initiatives (sports, community, health, ...). /liliHybrid work model (remote/on‑site). /liliFlexible working hours. /li /ulh3Growth development /h3ulliCustomized training: access to Coursera to learn whatever you want, whenever you want. /liliWeekly language classes (English, Spanish German). /liliInternational Mentoring Sessions Experience Days. /li /ulh3Compensation benefits /h3ulliFlexible compensation plan (health insurance, meal vouchers, childcare, transport). /liliTelemedicine, /liliLife and accident insurance. /liliSocial fund. /li /ulh3Wellbeing time off /h3ulli26+ working days of vacation per year. /liliFree access to specialist services (medical, legal, wellness). /lili100% salary coverage during medical leave. /li /ulpAnd many more advantages of being part of T-Systems! /p /p #J-18808-Ljbffr

📌 DevOps Engineer for Enterprise Core Services (m/f/d) (Madrid)
🏢 T-Systems Iberia
📍 Madrid