Specialist Core Design and Engineering

Aggregate function:  Technology
Business Area:  VT Netw. Strategy Archit. Eng.
Posting Country:  Spain
Date Posted:  28 Apr 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.

Join Us

At Vodafone, we’re not just shaping the future of connectivity for our customers – we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.

What you’ll do

•    Accountable for writing SW development requirements, specifications, design SW integration plans and perform SW testing for the required products and solutions for IMS.
•    Accountable for designing, implementing, testing and deploying SW and HW requirements for the required IMS services and solutions to cope with specific commercial requirements or technology evolution inside Vodafone.
•    Accountable for managing IMS Services technology evolution and capacity planning based on traffic needs. Ensure HW and SW performance, monitoring, and reporting, using dedicated SW tools.
•    Manage RFQ and vendor selection to identify the best partner for the evolution of IMS service including the option of internal SW development.
•    Manage LCM and Security.

Who you are

•    Proficient in IMS Networks.
•    Good awareness of wider technology aspects in telecommunications (Core Network, Value Added Services, ...) and ICT
•    Deep understanding of network architectural Patterns & Design, aligning architecture with business goals.
•    Familiar with designing and deploying solutions in cloud environments
•    Worked closely with product owners, business analysts, and cross-functional teams to align architecture with business goals.
•    Familiarity embedding security and compliance into architectural decision 
•    Bachelor’s or master’s degree in computer science, Telco Engineering, or a related field
•    Extensive Experience in IMS
•    Strong Understanding of network Architecture Patterns
•    Cloud Architecture Proficiency
•    DevOps and CI/CD Expertise
•    Security and Compliance Knowledge
•    Agile and Application life cycle management methodologies
•    Excellent Communication and Leadership Skills

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.

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.

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.