AISG-390 Network Engineer

Job Title: Network Architect / Project Lead – SD-WAN & Cisco Infrastructure

Languages: Fluent German and English (C1/C2)

Project Overview

Join a strategic IT transformation project focused on modernizing network infrastructure. The scope includes implementing a centrally managed SD-WAN solution, migrating existing Cisco-based LAN and Wi‑Fi environments, and introducing a cloud-based Unified Communications platform.

Key Responsibilities

• Lead the design and implementation of Cisco-based network architectures.
• Analyze and assess existing network infrastructures (legacy configurations).
• Develop and document new Layer‑2 designs including IP addressing schemes.
• Migrate branch offices/sites to the new network design.
• Configure and manage Layer‑2 and Layer‑3 protocols (STP, VLANs, OSPF, BGP).
• Implement and maintain authentication and authorization systems (TACACS+, Radius).
• Provide support and troubleshooting for wireless networks.
• Manage Cisco Wireless solutions (IOS‑XE controllers, Access Points).
• Collaborate closely with security teams, WAN teams, and other IT departments.
• Produce thorough documentation of configurations, processes, and network topologies.

Profile

• Solid experience with Cisco Catalyst platforms (especially Catalyst 9000 series) and Cisco Catalyst Center.
• In-depth knowledge of Layer‑2 and Layer‑3 technologies (STP, VLANs, OSPF, BGP).
• Experience with authentication mechanisms (TACACS+, Radius, ideally Cisco ISE).
• Strong understanding of WLAN architecture and wireless security.
• Proven experience in network migrations and change management (ITIL).
• Cisco certifications (e.g., CCNP Enterprise, CCNP Wireless) are a plus.

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