Summary: This role involves providing senior-level support for the Patch and End-of-Life (EoL) Management of network infrastructure, ensuring the security, stability, and availability of network components within a managed environment. The client environment is heavily DC-driven (Nexus, vPC, ACI, Multipod, Fabrics).Main Responsibilities: Technical planning and execution of network updates Preparation of required activities and creation of change documentation Presentation of planned activities in various Change Advisory Boards (CABs) Implementation and post-review of updates Support for team members in complex cases and challenging updates Assistance with service requests within the network environment Operational environments Regulated financial environments Change windows outside of business hours Key Requirements: Excellent knowledge of network architectures and technologies Hands-on experience with Cisco Nexus Practical experience with technical changes within Datacenters. Practical exposure to ACI (not just theoretical) Strong hands-on experience with Cisco, F5, or ADVA. Experience with GitLab and Ansible High attention to detail and commitment to quality Strong communication skills and confidence in dealing with stakeholders Willingness to work outside regular business hours Excellent English skills Nice to Have: Experience in a bank-regulated environment German knowledge Other Details: Start date: ASAP Duration: Long-term engagement (approx. 1,900 hours per year) Positions: 3 Senior Network Specialists