L3 Network Architect (Cisco) (m/w/d) – Winterthur Area

NTT
Zurich
Workplace: OnsiteFull timeFunction: DevOps, Cloud & InfrastructureSkills: ["Analytical skills","Communication","Stakeholder management"]

Provide L3 technical leadership and architecture governance for enterprise network environments. Design and evolve resilient L2/L3 architectures while defining standards for BGP, OSPF, EVPN/VXLAN, high availability, and SDN-integrated networks. Support complex escalations and major incident resolution through root-cause analysis and troubleshooting. Optimize network performance and capacity, collaborate with security and infrastructure teams, and maintain architecture documentation and operational frameworks.

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FursaFursa
NTT
NTT
6 days ago

L3 Network Architect (Cisco) (m/w/d) – Winterthur Area

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Source: Company careers pageValidated by: Fursa AI
Last checked: 22 hours agoStatus: Live

Job Summary

Provide L3 technical leadership and architecture governance for enterprise network environments. Design and evolve resilient L2/L3 architectures while defining standards for BGP, OSPF, EVPN/VXLAN, high availability, and SDN-integrated networks. Support complex escalations and major incident resolution through root-cause analysis and troubleshooting. Optimize network performance and capacity, collaborate with security and infrastructure teams, and maintain architecture documentation and operational frameworks.
Location: Zurich
Workplace: Onsite
Employment Type: Full time
Job Function: DevOps, Cloud & Infrastructure
Seniority: Mid level

Key Responsibilities

  • •Design, implement, and govern enterprise L2/L3 network architectures.
  • •Define and maintain network standards for BGP, OSPF, EVPN/VXLAN, high availability, and SDN-integrated environments.
  • •Provide architectural guidance for data center, cloud-connected, and hybrid network infrastructures.
  • •Lead complex network troubleshooting, root cause analysis, and major incident resolution activities.
  • •Support network design patterns and operational frameworks; maintain architecture documentation, standards, governance processes, and best practices.

Key Requirements

  • •Extensive experience designing and supporting enterprise and data center network infrastructures.
  • •Deep expertise in Cisco networking technologies, including routing, switching, and high-availability architectures.
  • •Strong knowledge of BGP, OSPF, EVPN/VXLAN, SDN technologies, and modern network design principles.
  • •Experience with Cisco Nexus platforms and data center networking environments.
  • •German language proficiency at minimum B2 level and Swiss citizenship.
Experience:Enterprise networkingData center networking
Skills:Analytical skillsCommunicationStakeholder management
Certifications:Cisco CCIE Enterprise InfrastructureCisco CCIE Data Center
Languages:German
Tech Stack:CiscoCisco NexusPerle IOLANBGPOSPFEVPN/VXLANSDNHigh availability

Eligibility

Nationality:Swiss National

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn