Integration Expert for Enterprise Core Services (m/f/d)

About the role

T-Systems Iberia is looking for an Integration Expert for Enterprise Core Services at its Telco Hub in Madrid, within the Packet Core Supersquad/Enterprise Core Squad of the Data Tribe (Services & Platforms). You will integrate and test developments and adaptations in the mobile core network test laboratory and in cloud-native 4G and 5G core networks, supporting new customer and business requirements.

Key responsibilities

• Install and integrate new developments, adaptations and configuration changes in the mobile core network test lab
• Use CI/CD pipelines and test automation environments to test and verify requirements
• Conduct root cause analysis, collect evidence and initiate corrections when tests fail
• Program and automate test cases, and improve implementations for customer experience, reliability and efficiency
• Contribute to automated CI/CD pipelines and test automation for cloud-native applications
• Verify and improve high availability solutions and disaster recovery plans
• Support complex projects across development, QA and project planning, and help implement new mobile core software releases
• Collaborate with implementation teams to streamline processes and improve performance

Required profile

• In-depth understanding of 4G ePC, 5G NSA and 5G SA core networks and their interfaces with customer networks
• Several years of experience integrating and testing mobile services and CNF applications (ideally Mavenir) in cloud-native environments
• Several years of experience programming test automation in cloud-native environments
• Deep end-to-end understanding of IPv4/IPv6 networks
• Experience in classic and agile project management
• Ability to work independently and in teams; on-call and call-in duties outside normal hours (about 5-7 weeks per person per year)

Required skills

• Tracing and protocol analysis in microservices with REST APIs
• CI/CD pipelines with GitLab, Jenkins, Artifactory and shell or Python scripts
• Kubernetes cluster management and configuration

What we offer

• Hybrid work model and flexible working hours
• Customized training, weekly language classes and international mentoring sessions
• Flexible compensation plan covering health insurance, meal vouchers, childcare and transport
• Telemedicine, life and accident insurance, social fund and 26+ vacation days