Network Support Engineer (Cisco Catalyst LAN & WLAN)

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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 .

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Information Technology

Industries: IT System Operations and Maintenance

Essen, North Rhine-Westphalia, Germany