IT NETWORK AND SECURITY ADMINISTRATOR (m / f / d) - Career A1

Full time - (ref. 16 / IT1 / 2025) Your mission : Within the Infrastructure section, the IT Network and Security Administrator will manage and implement the networking and security infrastructure of the BCL. You ensure that IT security systems operate smoothly and effectively and manage the setting up and the design of the internal network and internal communication links. Your responsibilities : You install, manage, and maintain existing and new network and security infrastructures (including routers, switches, firewalls and VPNs); In collaboration with System Administrators and support teams, you monitor network performance, troubleshoot connectivity issues, and ensure optimal network availability; You manage and implement our remote access infrastructures; You ensure that the networking infrastructure is compliant with BCL / Eurosystem security policies and you implement defined security rules to protect against unauthorized access and data breaches; You set up procedures and monitor the proper operation of IT equipment; you draw up technical documentation and ensure that functions and features are documented appropriately and up to date; You resolve or report incidents and optimize system performance; You conduct regular vulnerability assessments and penetration tests to identify and address network vulnerabilities; You stay up-to-date with the latest industry trends and emerging technologies in network administration; You cooperate with other IT teams in order to fulfill the IT department's business goals. Your profile : You hold a Master Degree or equivalent in IT technologies, preferably with specialization in networking technologies; You have successful experience of 5 to 10 years in designing, implementing and managing network and security infrastructures; You have excellent knowledge of networking standards and protocols; You have good knowledge of CISCO network devices (Nexus, Catalyst, SNA, DNA); You have experience with network management tools and remote access solutions, as well as with network security devices (firewalls, IPS / IDS, proxy, mail-relay); You have experience with cloud technologies; You are proficient in all standard office applications (in particular Word, Excel and PowerPoint); You are fluent in English and in French; Luxembourgish and / or German would be a distinctive advantage; You are able to work independently as well as in teams. To apply, please complete the online application questions and submit your latest CV, your motivation letter as well as copy of your diploma(s). Before signing the contract, the candidates need to present an extract of the criminal record (bulletin n°3) dating from less than 2 months. A higher education diploma o...

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