Job ID: 744000158136484 Integration Expert for Enterprise Core Services (m/f/d)Madrid Professional Regular T-Systems Iberia Your Task The Packet Core Supersquad/Enterprise Core Squad is responsible for business customer services in mobile core networks. In this position, you will integrate and test all necessary developments and adaptations to realize new customer and business requirements in development labs and in state-of-the-art cloud native 4 G and 5 G core networks. This position is based at the Telco Hub in Madrid. Responsibilities Install and integrate all new developments, adaptations and configuration changes to implement new customer requirements in the mobile core network test laboratory Use CI/CD-pipelines and test automation environments Test and verify that all requirements are met correctly and completely In case of failure, conduct root cause analyses, secure evidence and initiate corrections Program and automate test cases Improve implementations to optimize customer experience, reliability and efficiency Contribute to the design and implementation of automated CI/CD pipelines and test automation for cloud-native applications Verify and improve high availability solutions and disaster recovery plans to ensure service stability and rapid recovery Provide support for complex projects across development, quality assurance, and project planning, as well as assist with the implementation of new mobile core software releases Collaborate closely with involved implementation teams to streamline processes, enhance software and system performance and apply innovative technologies and concepts Your Profile We are seeking a highly skilled Mobile Core Network Integration and Test Engineer with extensive experience in 4 G/5 G core networks, cloud-native environments, and test automation. The ideal candidate will have deep technical expertise in mobile core network components, CI/CD pipelines, Kubernetes, and protocol analysis in microservice architectures.



Must Have Skills In-depth understanding of mobile core network components, including their functions, procedures and processes, interfaces, and protocols in 4 G enhanced packet core (4 G e PC), 5 G non-standalone core (5 G NSA), and 5 G standalone core (5 G SA) networks and their interconnection with customer networks Several years of experience in integrating and testing of mobile services and CNF applications (ideally Mavenir products) in cloud-native environments Several years of experience in applying and programming test automation in cloud-native environments Good knowledge of tracing and protocol analysis in microservice architectures with REST APIs and modern security protocols in cloud-native environments Deep end-to-end understanding of the functionality and protocols of heterogeneous IPv4/IPv6 networks Hands-on experience with CI/CD pipelines using Git Lab, shell or Python scripts, Jenkins, Artifactory, and other tools Hands-on experience in managing and configuring Kubernetes clusters Experience in classic and agile project management Ability to work very independently as well as in teams Nice to Have Skills Willingness to participate in on-call duties and call-in procedures outside of normal office hours (approximately 5-7 weeks per person per year)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 integral team, guided by respect, integrity, and a passion for doing better every day. Benefits 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 off26+ 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. Additional Details On-call duties and call-in procedures outside of normal office hours (approximately 5-7 weeks per person per year)Job Benefits Health & Insurance Flexible compensation plan (health insurance)Life and accident insurance Telemedicine100% salary coverage during medical leave Work-Life Balance Hybrid work model (remote/on-site)Flexible working hours26+ 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 Office Perks Flexible compensation plan (meal vouchers, childcare, transport)Social fund Lifestyle & Wellness T-Social: social initiatives (sports, community, health,...)Free access to specialist services (medical, legal, wellness)#J-18808-Ljbffr

📌 Integration Expert For Enterprise Core Services (M/F/D) (Madrid)
🏢 T--Mobil
📍 Madrid