Network architect (English speaking)

Our client, a renowned international company is looking for a Network Architect (60%- 100%) based in Zug, Switzerland. Its a contract role.Core Responsibilities:Requirements Engineering:Collaborate with internal stakeholders to gather and formalize detailed VLAN and VM requirements.Translate functional and non-functional needs into technical specifications.Network Migration & Integration:Migrate VLANs and virtual machines to our new infrastructure.Configure and optimize Cisco/Fortinet switches, firewalls, and routing components.Validate post-migration connectivity, security, and performance.Security & Hardening:Implement hardening measures on firewalls and switches.Ensure compliance with Siemens-specific security frameworks.Access Control:Design and implement 802.1X NAC including MAC-based authentication for legacy/non-802.1X devices.Enable secure onboarding and dynamic VLAN assignment.Monitoring & Logging:Architect and deploy centralized monitoring/logging using Zabbix or similar.Define KPIs; set up automated network alerts.Infrastructure Automation:Develop Infrastructure as Code for automated configuration updates.Automation via Ansible, Git workflows, and CI/CD pipelines.Architecture & Documentation:Deliver and document scalable, secure network designs.Provide comprehensive documentation (diagrams, standards, manuals).Required Technical Expertise:Networking:Deep Cisco IOS/NX-OS, Fortinet FortiGate experience.Advanced VLAN, VRF, trunking, routing, IPSec VPN skills.Solid grasp of OSPF, BGP, Layer 2/3 security.Security:Proven work in firewall/switch hardening, ACLs, and segmentation.Access Control:Expertise in 802.1X NAC including MAC-based authentication.Monitoring:Experience with Zabbix or equivalent for KPI monitoring/alerting.Automation & IaC:Advanced Ansible, YAML, Git, CI/CD experience.Python scripting a strong advantage.Operating Systems:Strong Linux/Windows Server troubleshooting & scripting.Architecture & Design:Capable of designing secure/scalable networks; thorough HLD/LLD and operational documentation.Soft Skills:Exceptional communicator.Analytical, cool-headed troubleshooting under pressure.Able to work independently and deliver to deadlines.At least B2-level English (spoken/written). German a plus, but not mandatory.Its an urgent role and we have a deadline to submit the candidates. So apply soon!