Boost your career in telecommunications with NOVANOTIO! At Novanotio, we are looking to hire a CN \& Network Senior Engineer profile to participate in a strategic satellite telecommunications project, collaborating with one of our main clients. The position will operate under a hybrid model, based in Arganda del Rey, with a significant component of frequent international travel to Europe. This project combines cutting-edge technology, virtualization, 5G networks, and satellite communications, with an international focus and high technical demands. WHAT SETS US APART? We believe in balancing technology and people. We support you with personalized follow-up from the very first contact. We collaborate with leading companies in defense, space, telecommunications, and industry. You will become part of a community offering mentoring initiatives, continuous training, and professional development. ?? MINIMUM REQUIREMENTS 3 to 5 years of experience in the telecommunications industry. In-depth knowledge of mobile network architecture: Core Network, RAN, and associated services. Experience in 5G Core architecture and 3GPP core subsystems, especially in service orchestration and control planes. Proficiency in virtualization and cloud platforms. Experience in the development and testing of 3GPP systems (preferably 5G). Expert knowledge of terrestrial 3GPP wireless standards. Solid understanding of 5G\-NTN and New Radio Non\-Terrestrial Networks. Experience managing R\+D projects. Nationality from any EU member country. Commitment to initiate the EU SECRET security clearance process. Fluent English, both written and spoken. ?? WHAT DO YOU NEED TO KNOW? Knowledge in satellite communications will be valued. Any additional European language will be considered a plus. Hybrid working mode, with approximately 60% on-site presence in Arganda. Work equipment will be provided by Indra for security reasons. Availability required for traveling 2\-3 times per month to European countries, with stays ranging from 1 to 4 days. ?? DESIRABLE SKILLS Familiarity with service orchestration technologies in mobile networks. Previous experience in integration of subsystems for satellite networks. Technical experience working with vendors or subcontractors. ??? RESPONSIBILITIES AND FUNCTIONS Define system requirements for the 5G Core Network in a multi\-orbit satellite system. Design the high\-level hardware and software architecture of the 5G CN. Develop implementation and testing plans for the defined subsystems. Provide technical oversight of subcontractor activities: design, requirement compliance, development, and validation. Support the integration of subsystems into the complete system. ?? WHAT WE OFFER Permanent contract. Participation in an international, high\-tech project. Flexible compensation options: medical insurance, childcare voucher, transport card, restaurant tickets. Access to our NOVANOTIO CERTIFIED technological mentoring program. Continuous training tailored to your interests. Are you interested in this challenge at the heart of telecommunications and satellite connectivity? Apply now and take the leap into an internationally and technologically advanced project! Advanced English / Travel:Yes