About Proximus Luxembourg Proximus Luxembourg is a leading historical player in the ICT & Telecoms markets. Proximus Luxembourg addresses both residential and business markets through its commercial brands Tango, Proximus NXT and more recently Codit Proximus NXT. With PSF support status, the company has almost 750 employees. All these experts share a passion for digital technology, a spirit of openness and innovation, and a desire to simplify, connect and make their customers'' personal and professional activities ever more secure. Proximus Luxembourg is actively contributing to the acceleration of Luxembourg''s digitalisation and its economic influence through the development of connectivity, resilient infrastructures and 5G, as well as innovative technologies such as Blockchain, Artificial Intelligence, Machine Learning and IoT. Proximus Luxembourg is a subsidiary of the Proximus group (Euronext Brussels: PROX), provider of digital services and communication solutions operating in the Belgian and international markets. About Proximus NXT Proximus NXT Luxembourg supports all organizations in their digital transformation, by providing holistic ICT & Telecommunication solutions, as well as tailored managed services. With our partners and customers, we co create opportunities and enable growth in a secure and sustainable manner. As a result of our unique expertise in next gen IT services, mobile and advanced connectivity, we help our customers achieve their ambitions and realize their vision. Together with them and our partners we implement sovereign and trusted solutions that make people work smarter. Your mission : We are looking for a highly skilled and experienced Senior Network Engineer to join our team. As a Senior Network Engineer, you will be responsible for the installation, deployment, management, and operation of various networking assets, including routing, switching, WAN, LAN, Wi Fi, and security infrastructure. You will play a critical role in ensuring the reliability, security, and performance of our network systems. Key Responsibilities: Install, deploy, manage, and operate Networking Assets, including routing, switching, WAN, LAN, Wi Fi, and security infrastructure. Maintain a very good knowledge of Cisco Routing and switching, with expertise in networking protocols. Configure and troubleshoot complex networking technologies, including MPLS, BGP, OSPF, and EIGRP. Hold at least a CCNP certification, with a CCIE certification being a strong preference. Work with Cisco products, operating systems, and configuration interfaces. Conduct testing of new configurations, equipment, and software releases. Monitor and report on network and security usage and performance. Actively participate in the planning and deployment of new networking architectures. Deliver technical solutions to enhance the resiliency and efficiency of our network systems. Develop and maintain comprehensive technical documentation for operational procedures. Be part of