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Our client, a renowned international company is looking for a Network Architect (60%- 100%) based in Zug, Switzerland. Its a contract role.
Core Responsibilities
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).
- 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.
- 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.
Key Skills
Ranked by relevance
vlan
firewalls
ansible
cicd
git
nac
infrastructure as code
switches
fortinet
python
server
ipsec
ospf
acls
vpn
bgp
vm
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- Posted
- Nov 04, 2025
- Type
- Part-time
- Level
- Mid-Senior
- Location
- Zurich
- Company
- Randstad Digital Switzerland
Industries
IT Services
IT Consulting
Categories
Information Technology
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