Specialist Data Core Design and Engineering

Aggregate function:  Technology
Business Area:  VT Netw. Strategy Archit. Eng.
Posting Country:  Spain
Date Posted:  19 Jun 2026
Full Time / Part Time:  Full Time
Contract Type:  Permanent

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. 

We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.

With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

About this Role

To fulfil the Technology requirements of the IoT programme, The Vodafone Group has developed its own IoT Service Platforms to target the key strategic growth area of Internet of Things & Consumer Electronics, designed specifically to meet the needs of Global IoT 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 IoT Packet Switched Network Engineer will be responsible for the IoT system integration design of various IoT 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 IoT 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 5G 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-IoT.
  • Over 5 years’ experience on working with 2G/3G/4G/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 5G 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 3GPP 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

Not a perfect fit?

Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.

VOIS Equal Opportunity Employer Commitment

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background. 

Join Us

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this.
We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.
With us, you can truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

Vodafone is committed to attracting, developing and retaining the very best people by offering a motivating and inclusive workplace in which talent is truly recognised and rewarded. We are committed to promoting Inclusion for All with the belief that diversity plays an important role in the success of our business. We actively encourage everyone to consider becoming a part of our journey.