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Core Network Architect (IMS & Signalling)

Aggregate function:  Technology
Business Area:  VT Netw. Strategy Archit. Eng.
Posting Country:  Spain
Date Posted:  30 Apr 2025
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.

Who we are

We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.

Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.

If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.

Together we can.

 

Would you like to be part of our new adventure? Vodafone Group launched its new technological HUB in 2021, an international center of excellence dedicated to research and development of technical solutions, such as Secure Networks, 5G and 6G development, Open RAN, IoT, MPN & MEC and UCC for Vodafone Business, platforms and enterprise solutions. This vacancy is part of VOIS Spain, legal entity part of Vodafone Group.

Come and join us to create the future together!

 

Role


The individual will be responsible for defining the strategy and architecture for innovative Signalling architectures and innovative IMS-based services involving IMS Data Channels, WebRTC and Core APIs, as well as key Core Platforms in the IMS network. Responsible for the selection of vendors for this area, and the definition and management of roadmaps for the deployed systems, and benchmarking of vendors against Vodafone requirements. Providing architectural guidance and blueprints to Vodafone markets, ensuring that solutions evolve to meet future requirements and enable new services. Lead experimentation of new technologies through PoCs and engagement with Group and markets Commercial and Demand functions. Ensure vendor solutions are aligned to Vodafone strategy on Cloud, and properly support operational agility and automation, while delivering optimised costs, improving flexibility and reducing time-to-market.

 

 

What you’ll do

For the role of  Core Network Architect (IMS & Signalling) we are looking for candidates with a broad range of skills.

The responsibilities include:

 

  • Experiment and Design solutions to support new services that rely on IMS Data Channels, Web RTC and Core API exposure.
  • Coordinate large selection processes / RFQs for modernization of Voice Core across the entire Vodafone Group. Drive Vendor strategy and manage evolution of deployed products via roadmap management in the area of Signalling and IMS Core, benchmark them and select new Vendors and products as per Vodafone needs 
  • Include in the design and selection process the requirements for cloud native characteristics of the overall E2E solution (platforms and NW), maximising flexibility, automation, resiliency and customer experience while optimising overall efficiency/costs.
  • Support Product development and commercial teams and ensure Core architecture and capabilities are prepared to support future products and propositions.

 

 

What you bring

 

 

  • At least 8 years experience in Core Network, preferably in the Voice area.
  • Solid technical experience on: Core network (components and architecture) and IMS-based voice and messaging services
  • Specific knowledge in the area of IMS Core, Signalling, Customer Database, Core APIs, .
  • General competence/background: in telecommunications (technologies and services) and IT technologies (e.g. microservices architecture, databases etc)
  • Competence in cloud technologies and cloud native solutions such as containers.
  • Communication skills: English language (spoken and written), good communication & presentation and negotiation skills
  • Telecommunication or an engineering bachelor's degree.

 

 

Benefits

 

  • We offer hybrid (2 days in the office).
  • Competitive salary.
  • Intensive Summer Schedule.
  • Intensive schedule every Friday.
  • Health Insurance.
  • Life insurance.
  • 25 days holiday + December 24th and 31st.
  • Restaurant tickets.
  • Online training.

 

 

#LiHybrid
REF: 261341

Please, apply with an English version of your CV.

 

Not a perfect fit?

Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.

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.

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