.ABOUT THE JOB As a System Engineer, you will be part of a cross-functional team that enables networking engineering skills and capabilities across TUI. You will provide technical leadership within your team, shape engineering processes and practices, coach and develop other team members, promote a quality-first ethos, and champion continuous improvement and technical excellence. Contribute to the delivery of technical solutions and work within a Product team to ensure the correct solution is engineered, addressing the technical needs and requirements of the business. Achieve this by delivering changes across the IT stack in collaboration with Agile delivery teams, using technology and common automation, ensuring successful deliverables within agreed time and quality targets. Diligently care about the quality of your work, including proper documentation and security aspects. Responsibilities include: Ensuring 24/7 system availability. Providing cross-national assurance of the required service quality. Delivering services according to the service definition or the design and quality agreed with the customer. Planning, deploying, and testing new updates, patches, and changes within the given system network architecture and customizing the systems in coordination with customers or application developers. Supporting network-specific tasks in the context of application migrations. Analyzing existing systems in terms of performance, utilization, and advising customers or application developers on cost optimization, tuning potentials, and performance effects. Developing and implementing backup and recovery concepts. Implementing appropriate procedures and standards and monitoring compliance with privacy and data security requirements. Automating operations. Ensuring up-to-date documentation of the assigned connections and network components. Administering different network-related systems and technologies including 2nd level Support and troubleshooting. ABOUT YOU Long-term experience with network technologies like WAN, LAN, W-LAN, 802.1X (Network Access Control), Firewalling, Load balancing, Routing, Switching, and VPN, SD-WAN. Open-minded for new technologies and solutions. Experience with maintenance and administration of various vendors such as Cisco, F5, Checkpoint, and Palo Alto. Python programming is desirable. Knowledge of different protocols/services like DNS, DHCP, SSL, etc. Practical experience in IT service management (ITIL) and agile ways of working. Pronounced ability to work in international teams. Quick on the uptake combined with the ability to understand complex contexts and process insights gained. Experience and knowledge of troubleshooting in the problem determination method in a cross-national network environment of the mentioned products. Willingness to be on call (24/7) and to travel. High level of initiative and a strong sense of responsibility