> Markdown version of [/jobs/ext/3271359-network-engineer_-lead-i-cloud-infrastructure-services](https://www.wearedevelopers.com/jobs/ext/3271359-network-engineer_-lead-i-cloud-infrastructure-services). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer_ Lead I - Cloud Infrastructure Services - **Company:** UST - **Location:** Berlin, Germany - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Trunking, Internetworking, Network Security, Network Architecture, Networking Basics, Network Installation Services, Network Monitoring, Routing, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Computer Networking Systems, Cloud Platform System, ARUBA, Firewalls (Computer Science), Wireless Technologies, Fortinet, Firewall Services Module, Cisco - **Published:** September 16, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f27640125cb4540c ## About the Role * Strong hands-on experience in enterprise network engineering and support. * Cisco switching, routing, and wireless technologies. * Networking fundamentals including TCP/IP, VLANs, STP, trunking, routing protocols, and segmentation. * Aruba EdgeConnect / Silver Peak SD-WAN administration and troubleshooting. * Fortinet FortiGate firewall configuration and support. * Enterprise WAN and Internet connectivity management. * Network migration, integration, and infrastructure deployment experience. * Network monitoring, diagnostics, performance analysis, and troubleshooting. * Experience producing and maintaining technical network documentation. * Ability to work independently and manage on-site technical activities. Preferred Qualifications: * Professional working proficiency in German. * Experience supporting large-scale site transition or integration projects. * Strong stakeholder management and communication skills., Key Skills: Network Architecture, Cisco Networking, SD-WAN, Aruba EdgeConnect (Silver Peak), Fortinet FortiGate, VLANs, Wireless Networking, Firewall Management, Enterprise Infrastructure., Firewall, Network Architecture, VLAN, SD-WAN ## Description UST is seeking an experienced Network Engineer to support a major site transition and network integration project in Wuppertal, Germany. This is a hands-on technical role requiring strong expertise across enterprise networking, SD-WAN, firewalls, wireless technologies, and infrastructure migrations. The successful candidate will play a key role in designing, implementing, troubleshooting, and optimizing network infrastructure while supporting site migration, stabilization, and ongoing operations. The Role: * Design, configure, and deploy enterprise network infrastructure. * Support Cisco LAN switching, routing, and wireless environments. * Configure and troubleshoot Aruba EdgeConnect (Silver Peak) SD-WAN solutions. * Support Fortinet FortiGate firewall configurations and connectivity. * Perform network installations, testing, validation, and troubleshooting. * Coordinate infrastructure migrations, cutovers, and post-implementation stabilization. * Troubleshoot LAN, WAN, wireless, firewall, DNS/DHCP, and application connectivity issues. * Validate network performance, resiliency, and high-availability configurations. * Collaborate with global engineering teams, vendors, carriers, and local site stakeholders. * Maintain accurate network documentation, diagrams, and configuration records. * Ensure compliance with network security, governance, and change management standards. * Provide knowledge transfer and operational support throughout the transition period.