Specialist Data Core Design and Engineering | Vodafone Skip to main content Careers Dashboard Profile Join Talent Network Sign In# Single Position Si nos conectamos, podemos crear un futuro mejor. Únete a nosotros. View All Jobs## Specialist Data Core Design and Engineering Madrid, Spain Apply Now Find out how well you match with this job Requisition ID285280 Date posted07/02/2026## **About this Role**To fulfil the Technology requirements of the Io T programme, The Vodafone Group has developed its own Io T Service Platforms to target the key strategic growth area of Internet of Things & Consumer Electronics, designed specifically to meet the needs of Integral Io T customers, protected by Vodafone IPR. To support Vodafone’s key strategic growth areas of Internet of Things, Automotive and Consumer Electronics, Network Strategy and Engineering department require a highly capable and experienced Technical Packet Switched Designer (Mobile Core & IP) to support the delivery of a multi-million euro programme across Vodafone Group Technology and Operating Companies. This Io T Packet Switched Network Engineer will be responsible for the Io T system integration design of various Io T products, services & features as well as the reference framework.## **What you’ll do****Key accountabilities and decision ownership:*** Understand, review and challenge the solutions in the HLD on Mobile Packet Core & IP networks and convert these to Implementation Design documents (LLD).* Create detailed design documentations specifying the configuration matrix, security implications and guidelines followed.



* Create the Mobile Core network strategy and roadmap for Io T and its evolution for next 3 to 5 years.* Be responsible for Capacity Management on the network.* Make decisions that have impact on project scheduling, planning, and successful completion of deliverables.* Act as a mentor and share experiences to other team members.* Provide timely analysis on problems with updates to management and escalate if necessary, on particular projects.**Core competencies, knowledge and experience:*** Knowledge of Mobile Packet Core routing including mobile devices, applications and device OSs and customer connectivity.* Knowledge of IP networking – switch, routing, firewalls, load balancers in Telco and Enterprise environment.* Knowledge of Cloud.* Good understanding of 5 G technologies.* Experience in Design of major projects in Mobile core packet switch domains. Circuit switched knowledge would be an advantage.## **Who you are****Must have technical / professional qualifications:*** University degree: telecommunication degree, electrical/electronic or similar.* Industry certifications like – CCNA, CCIE, JCNIE etc* Full understanding and hands-on experience on configuring and troubleshooting network elements from Mobile core packet switch platforms like SGSN/CSGN, MME, GGSN/PGW, NB-Io T.* Over 5 years’ experience on working with 2 G/3 G/4 G/LTE mobile packet core nodes for a network operator and/or equipment vendor.* Deep understanding of call protocols,



call flows and products in mobile networks.* A good understanding of 5 G technologies and Cloud.* Ability to lead and manage virtual technology teams, managing different stakeholders from business, technology, operators during solution design and implementation phases.* Experience with integrating defined 3 GPP interfaces to external nodes DNS/RADIUS/PCRF/IMS.* Lead and work on projects that vary in size which involve solution design and build, first node integration and support in testing pre go live.* Ability to work unsupervised, be self-motivated and demonstrate capability and subject matter expertise.* Strong skills in network design documentation creation.* Understanding of NFV infrastructure.* Ability to create Method of Procedures (MOPs).* Knowledge of OSS/BSS tools for Fault and Performance management.* Good IP networking skills including MPLS and BGP.* Ability to troubleshoot, find faults and root causes on packet switched platforms.* Good knowledge of linux and ability to create scripting languages such as python, perl## **Benefits*** Hybrid work model* Bonus on top of the gross salary.* Meal voucher (Ticket Restaurant),* Flexible working hours from Monday to Thursday, and an intensive schedule on Fridays.* Intensive Summer Schedule during July and August.* Up to 20 days per year of 100% remote work from other locations.* Private Health and Life Insurance for employees.* 25 vacation days, plus December 24th and 31st off.* Optional Pension Plan.* Access to an online learning platform for continuous training.**Please, apply with an English version of your CV.**#LI-Hybrid REF: 285280
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📌 Specialist data core design and engineering madrid, spain europe delivery unit posted 8 hours ago
🏢 Vodafone Group
📍 Madrid