5G CN Senior Engineer in Multi-Orbit SATCOM Environment

Description

Job Summary: We are seeking a Senior 5G Core Network Engineer with SATCOM experience to design and define the architecture of satellite-based 5G networks in an international setting. Key Highlights: 1. World leader in engineering services, focused on a better future 2. Opportunities for growth and professional development in digital technologies 3. Inclusive environment, with work-life balance and development initiatives Madrid 5G CN Senior Engineer in Multi-Orbit SATCOM Environment Hello! We are CAPGEMINI Capgemini Engineering, a world leader in engineering services, brings together teams of engineers, scientists, and architects to help the world’s most innovative companies unlock their potential and contribute to a better future. From autonomous vehicles to life-saving robots, our experts in digital technologies and software think beyond convention, delivering unique R\+D and engineering services across all industry sectors. Join the team and advance your career at a company offering growth opportunities where you can make a difference—and no two days are ever the same. What profile do we need? * More than 5 years of experience in the telecom industry, with expertise in Core Network, RAN, and associated services architecture. * Demonstrable experience in 5G Core architecture and implementation of 3GPP subsystems, especially in resource allocation, service orchestration, and control plane. * Advanced knowledge of virtualization and cloud platforms, as well as software development for telecommunications environments. * Experience in development and testing of 3GPP systems (4G or preferably 5G). * In-depth knowledge of 3GPP standards, including 5G-NTN and New Radio Non-Terrestrial Networks. * Experience in satellite communications and their integration with mobile networks. * Experience managing R\+D projects and complex technology projects. * Fluent English; Spanish is valued; other European languages are an advantage. * Degree in Telecommunications Engineering, Electrical Engineering, or related field. * Citizenship of an EU member state and eligibility for security clearance (EU Secret). * Ability to work on international projects and solve problems in highly technical environments. What will be your role? * Define 5G Core Network requirements for multi-orbit satellite systems within the European project. * Design high-level hardware and software architecture of the 5G Core. * Develop implementation and testing plans for 5G CN subsystems. * Provide technical oversight of subcontractor activities: design, requirement compliance, development, and validation. * Support integration of subsystems into higher levels within the overall system architecture. * Participate in defining solutions integrating 5G capabilities with satellite environments. * Collaborate with international teams to ensure technical consistency and compliance with 3GPP standards and project requirements. * Identify technical risks, propose improvements, and ensure quality of 5G CN subsystem deliverables. All applications will be considered. Candidates holding a disability certificate will be positively evaluated, in line with our inclusion and diversity policy. All applications will be considered. We offer an extensive training portfolio—both in-person and online—including certifications, etc. Even if you don’t meet 100% of the desired qualifications, we’d love to meet you! Our commitment to inclusion and equal opportunity is reflected in our Equality Plan and Code of Ethics, which guarantee professional development for employees and equal opportunity in recruitment—within a discrimination-free environment based on ethnicity, nationality, social origin, age, sexual orientation, gender expression, religion, or any other personal, physical, or social circumstance. We offer a comprehensive CATALOGUE OF DEVELOPMENT AND WORK-LIFE BALANCE MEASURES (family allowances, subsidized insurance and meal vouchers, additional personal holidays, etc.). Want to know more? * You’ll have access to cutting-edge technology courses as well as personal skills training. * Life and accident insurance. Health insurance subsidized at 50%. * 24 working days of vacation. 2 personal days. December 24 and 31 are non-working days. * Flexible compensation plan. * Financial support for dependents and remote work, in addition to salary. * Flexible working hours and summer intensive schedule. Why Capgemini? Capgemini is a global leader in transforming clients’ businesses by harnessing the full power of technology. Guided by our purpose—to achieve an inclusive and sustainable future through technology and the energy of those who build it—we are a responsible and diverse company, an international leader in IT and engineering services, with over 360\.000 professionals across more than 50 countries. With a solid 55-year heritage and broad industry expertise, clients trust Capgemini to address their full business needs—from strategy and design to operations—powered by the fast-paced, innovative worlds of cloud, data, AI, connectivity, software, platforms, and digital engineering. The Group reported €22 billion in global revenue in 2022. Rewrite your future. Join the team! www.capgemini.com/es\-es \#LI\-JT2 \#LI\-Hybrid Ref. code 436142\-es\_ES Posted on 12 Mar 2026 Experience level Experienced Professionals Contract type Permanent Location Madrid Business unit Engineering and R&D Services Brand Capgemini Engineering Professional communities Products \& Systems Engineering