NTT

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

Switzerland · Work style not stated · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerNTT
LocationSwitzerland
Work styleWork style not stated
Employment typeFull time
Employer posted29 Sep 2026

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

We are seeking an experienced Network Architect (Cisco) to provide technical leadership and architecture governance for enterprise network environments. The role is responsible for designing and evolving resilient network architectures, defining operational standards, supporting complex escalations, and ensuring network services remain secure, scalable, highly available, and aligned with business and infrastructure requirements.

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.
Develop resilient network design patterns and operational frameworks for implementation and support teams.
Support and optimize Cisco Nexus switching environments and Perle IOLAN console server infrastructure.
Review network performance, scalability, resilience, and capacity requirements.
Collaborate with security, cloud, compute, and storage teams to ensure end-to-end infrastructure integration.
Maintain architecture documentation, standards, governance processes, and best practices.

Show full description

Required Qualifications:

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.
Familiarity with Perle IOLAN console server solutions and operational management practices.
Proven ability to lead complex technical escalations and architecture engagements.
Strong analytical, communication, and stakeholder management skills.

Preferred Certifications:

Cisco CCIE Enterprise Infrastructure
Cisco CCIE Data Center
Cisco Nexus and Data Center specialist certifications
Additional Security, Network, Storage, or Compute infrastructure certifications are advantageous

Language Requirement:

German language proficiency at minimum B2 level is mandatory.
The role requires the ability to participate in technical discussions, incident coordination, service reviews, change management activities, and day-to-day communication with German-speaking stakeholders, customer teams, operational contacts, and site personnel.

Citizenship Requirement:

Applicants must hold Swiss citizenship.

Location:

Winterthur area, Switzerland
Candidates should be based in, or regularly available within the Winterthur region to support local operational alignment, customer engagement, coordination with onsite and remote-hands teams, and participation in governance, escalation, architecture, and service review meetings as required.

Workplace type:

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

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