Are you an experienced IT professional looking to take your career to the next level? LYNX is searching for an IT Administrator with a focus on Network Administration to manage and support our cutting-edge ICT infrastructure. If you're passionate about technology, enjoy solving complex problems, and thrive in a dynamic, fast-paced environment, this role is perfect for you What You'll Do: Administration, maintenance, support and optimization of the network infrastructure, including LAN, WAN, SD-WAN, Wi-Fi, and VPN environments. Monitoring network performance, identifying bottlenecks, and ensuring system reliability and security. Implementing, managing, and enforcing network configurations, policies, and procedures. Troubleshooting and resolving network connectivity issues across various devices and locations. Assisting in incident response, security investigations, and risk mitigation related to network infrastructure. Managing and maintaining firewalls, switches, routers, and other critical networking hardware. Configuring and administering network access control, VLANs, and security protocols. Supporting the implementation of disaster recovery and business continuity plans for network infrastructure. Conducting regular network audits, vulnerability assessments, and performance analysis. Collaborating with IT security teams to ensure network security aligns with organizational policies. Providing documentation, reports, and network diagrams for internal stakeholders and audits. Staying updated on industry trends, emerging technologies, and best practices in network administration. What We're Looking For: Minimum 5 years of experience in network administration, support, and troubleshooting Excellent knowledge in configuring and maintaining network devices (FortiGate, HPE Aruba, Unifi) Strong knowledge of LAN, WAN, SD-WAN, Wi-Fi, VPN, VLAN, and network security best practices Solid experience with ZTNA implementation Familiarity with network monitoring tools such as Checkmk, Nagios, Zabbix, and SolarWinds Experienced in working with ticketing systems and ITIL processes Skilled in troubleshooting complex network issues and delivering effective solutions Understanding of ISO 27001 or similar security compliance frameworks Quick to adapt to new networking technologies and evolving business requirements Effectively documents and shares knowledge with internal teams Maintains composure under pressure and responds promptly to critical network incidents Nice-to-haves: ITIL v4 Foundation certification or equivalent. Familiarity with cloud networking (AWS, Azure, Google Cloud). Scripting experience (Python, PowerShell) for network automation. Certifications such as CCNA, CCNP, JNCIA, Fortinet NSE, or equivalent. Why LYNX? At LYNX, we’re at the forefront of innovation, providing a work environment that values growth, collaboration, and excellence. You’ll be part of a team that pushes boundaries and delivers high-quality IT services for our global operations. What we offer: At LYNX, we value your growth and development; we'll provide you with a supportive work environment and opportunities for your professional development. Fixed 13th month; 45% contribution to the company pension scheme and discounts at Urban Sports; Full lunch from our chef, drinks & fruit; Office located in center of Berlin; Home office equipment; A training budget for training opportunities that suit you and your role; Outings & drinks with your colleagues; A great, informal working atmosphere in a young team. About us: "LYNX helps you invest in yourself" "Working at LYNX means joining the LYNX family" "The development opportunities make LYNX the best place to work" This is what the employees say about LYNX and it is exactly what we want to offer: a work environment where you can get the best out of yourself. At our office in the heart of Amsterdam, Ghent, Berlin and Prague, we work every day to offer both private and professional clients the best trading opportunities, with a fast, user-friendly and reliable trading platform. The best choice for anyone who takes investing seriously LYNX is an international FinTech that offers you a relaxed and informal work environment, where you can get the best out of yourself and where 300 people contribute together to the success of our customers since 2006. In 2006 LYNX entered the investor market with two spearheads: very low rates and an extensive product range. This makes the online broker not only successful in the Netherlands, but also abroad. After opening offices in Belgium, Germany and the Czech Republic, LYNX now offers its services in ten different countries, making it a European broker of size. In 2019 the product of LYNX, and therefore the offer for investors, has been greatly improved. For example, a highly advanced mobile and tablet app is available, the LYNX Masterclass webinars can be watched weekly via the Knowledge Portal, and thanks to the Morning Call, investors are quickly daily informed about the latest news on the financial markets.