Network Support Engineer (Cisco Catalyst LAN & WLAN)

Position: Network Support Engineer (Cisco Catalyst LAN & WLAN)

Location: Essen, Ruhr Area, Germany

Duration: 6 months (extendable)

Start Date: November 12, 2025

Workload: Full-time, 5 days/week (Hybrid: 3 days onsite, 2 days remote)

Travel: Willingness to travel within Germany and occasionally internationally

Project Overview

• Migration of WAN to a centrally managed and monitored SD-WAN solution.
• Management and conversion of existing Cisco-based LAN and WiFi infrastructures during the project.
• Implementation of a cloud-based Unified Communications (UC) platform as a PaaS solution.

Responsibilities

• Project management, design, implementation, and administration of Cisco-based network architectures.
• Analysis and evaluation of existing network infrastructures (legacy configuration review).
• Development and documentation of Layer 2 design, including IP addressing schemes.
• Migration of branch offices/sites to the new network design.
• Configuration and administration of Layer 2 and Layer 3 protocols.
• Implementation and maintenance of authentication and authorization systems using TACACS+.
• Support and troubleshooting of wireless networks (WLAN).
• Management of Cisco wireless solutions (IOS-XE controller-based, access points).
• Collaboration with security teams, WAN teams, and other IT departments.
• Thorough documentation of configurations, processes, and network topologies.

Professional Profile

• Solid experience with Cisco Catalyst platforms (especially Catalyst 9000 series and Cisco Catalyst Center/DNA Center).
• Strong knowledge of Layer 2 & Layer 3 technologies (STP, VLANs, OSPF, BGP).
• Experience with TACACS+, RADIUS, ideally Cisco ISE.
• Good knowledge of WLAN architecture, AP configuration, and wireless security.
• Hands-on experience in network migrations.
• Familiarity with network analysis and monitoring tools.
• Cisco certifications (e.g., CCNP Enterprise, CCNP Wireless) preferred.
• Understanding of network security concepts and ITIL change management processes.
• Language: Fluent German (C1/C2) and English (written & spoken).

Other Requirements

• Candidates must be employed and subject to social security contributions.
• Chain deals are not possible.
• CCNP Certified Engineer with 4–5 years of solid experience (flexible if technically strong).
• Native German not required, but C1 German certification is mandatory.