Network Architect (Cisco) – Winterthur Area

About the role

NTT DATA is looking for an experienced Network Architect with deep Cisco expertise to lead the design and governance of enterprise network environments in the Winterthur area. The role focuses on creating resilient, secure, and scalable L2/L3 architectures that support data‑center, cloud‑connected, and hybrid infrastructures.

Key responsibilities

• Design, implement and govern enterprise L2/L3 network architectures, including BGP, OSPF, EVPN/VXLAN and SDN‑integrated environments.
• Define and maintain network standards, high‑availability patterns and operational frameworks for data‑center and hybrid cloud networks.
• Lead complex troubleshooting, root‑cause analysis and major incident resolution.
• Support and optimise Cisco Nexus switching platforms and Perle IOLAN console server infrastructure.
• Collaborate with security, cloud, compute and storage teams to ensure end‑to‑end infrastructure integration.
• Maintain architecture documentation, governance processes and best‑practice guidelines.

Required profile

• Extensive experience designing and supporting enterprise and data‑center network infrastructures.
• Deep expertise in Cisco routing, switching and high‑availability architectures.
• Strong knowledge of BGP, OSPF, EVPN/VXLAN and modern SDN technologies.
• Proven ability to lead technical escalations and architecture engagements.
• German language proficiency at minimum B2 level.
• Swiss citizenship.

Required skills

• Cisco Nexus switching platforms
• BGP, OSPF, EVPN/VXLAN
• SDN technologies
• Perle IOLAN console server solutions
• Network architecture and high‑availability design
• Data‑center networking