At GCTIO, we lead network technology strategy across the Telefónica group. Our mission is to ensure that the right technologies are identified, selected, and deployed in the most efficient and effective way to support Telefónica’s strategic vision and business objectives. In this role based in Madrid (Spain), you will be part of Mobile Packet Core Technology and Planning team as an expert across the Telefónica Group within the GCTIO organization. Your primary focus will be to provide deep technical expertise and contribute to the definition, selection, implementation, and evolution of mobile packet core technologies in close coordination with Telefónica’s operating businesses and key stakeholders. The role requires deep technical expertise and the ability to influence and support the evolution of the mobile core towards 6 G. You will contribute your expertise to maximizing the value of core network capabilities in support of Telefónica’s automation and monetization objectives, leveraging Artificial Intelligence (AI), intent-based operations, and advanced network programmability. You will provide expert input into the future network architecture and help promote a consistent technology strategy across the Group, fostering innovation, operational efficiency, and new business opportunities.
How will you contribute to this role? Define the Packet Core strategic vision to support current and future product requirements, deliver operational efficiencies and automation objectives
Drive the evolution towards 6 G architectures and standards.
Provide expert guidance on technology selection and packet core implementation across the Group, in line with our multi-vendor strategy.



To support this objective, you will collaborate closely with our operating businesses and with Finance, Procurement, Access, IT, Security, and other relevant teams.
Provide technical input to vendor roadmaps and capability development
Introduce AI in packet core architecture to enhance automation and open new monetization opportunities
Collaborate with cloud and automation team to ensure life cycle management based on intents
Collaborate with product teams to ensure that packet core can deliver service and monetization roadmap
Contribute to industry forums and standards bodies to promote Telefónica’s technical vision in line with the defined strategy
Build efficiencies projects to meet budget targets and telefonica staretgic plan What skills and key capabilities we are looking for 2 years + of experience in a similar role
Strong experience and knowledge in mobile packet core technology and architecture
Ability to provide technical guidance, influence decisions, and collaborate effectively with project teams
Team work in multi cultural environment
Experience in AI and Agentic AI in order to build and execute projects to meet AI for network and network for AI capabilities within packet core domain




Experience in participating and contributing in the telco standards and industry ecosystem
Knowledge and experience in cloud native infrastructures
Fluent in Spanish and English Which other aspect will be considered Master in computer science or telecom engineering.
Experience working in cross-functional technical teams
Automation driven in improving day to day way of working
Experience in multi cultural environment Whats advantage would you get working for us? Transformational Projects. At Telefónica, you will be part of high-impact initiatives that shape industry trends and address the connectivity and digital transformation challenges of our society. Professional Development. You will enjoy a long-term career path and continuous learning opportunities on a global scale, supported by our presence across multiple geographies. We will provide development opportunities, training programs, and international mobility options. We want to grow and build the future together with you. Flexibility. We are committed to maintaining a healthy work-life balance. At Telefónica, we promote adaptable working arrangements and position ourselves as a benchmark for new ways of working and work-life integration initiatives.
27 working days of annual leave to enjoy and recharge.
Employee Benefits. You will have access to a comprehensive benefits package, including:
Life and accident insurance
Private medical insurance for you and your immediate family (spouse/partner and children)
Meal voucher card
Flexible compensation plan with a wide range of options to choose from
Pension plan #J-18808-Ljbffr

📌 Packet Core Group Expert (Madrid)
🏢 Adzuna
📍 Madrid