-
Cognizant
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Senior Network Engineer (L2/L3 Physical & Logical Support)
Switzerland
· Full-time
·
Mid-Senior
About The Role
As a Senior Network Engineer, you will play a critical role in the end-to-end physical deployment and logical validation of network infrastructure in mission-critical environments. You will lead complex installations, troubleshoot across OSI Layers 1–3, and ensure seamless integration between physical connectivity and logical configurations.
In this Role, You Will
On-site role based in Basel Stadt or Stein (Aargau), Switzerland.
What You Need To Have
We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect:
As a Senior Network Engineer, you will play a critical role in the end-to-end physical deployment and logical validation of network infrastructure in mission-critical environments. You will lead complex installations, troubleshoot across OSI Layers 1–3, and ensure seamless integration between physical connectivity and logical configurations.
In this Role, You Will
- Lead advanced device racking and mounting for high-density chassis (Cisco Nexus 9k, Catalyst 9500) and enterprise appliances.
- Oversee structured cabling and fiber optics, ensuring compliance with ANSI/TIA-606-B standards.
- Manage patch panels, cross-connects, and media conversions for diverse physical media types.
- Configure Out-of-Band (OOB) remote management solutions and troubleshoot console access issues.
- Validate Layer 2 and Layer 3 configurations, including VLANs, STP, EtherChannel/LACP, and routing protocols (BGP/OSPF).
On-site role based in Basel Stadt or Stein (Aargau), Switzerland.
What You Need To Have
- For the Senior role you need: 8+ years of experience in Data Center or large enterprise campus environments.
- Deep expertise in Ethernet and fiber cabling, hardware installation (Cisco, Arista, Palo Alto, F5).
- Advanced knowledge of routing and switching fundamentals (Cisco IOS, NX-OS, Arista EOS).
- Proficiency with diagnostic tools (Visual Fault Locators, Light Meters, Fiber Inspection Scopes).
- Certifications: CCNP Enterprise (ENCORE) highly preferred; CCNA mandatory.
- Strong troubleshooting skills for mission-critical incidents.
- Fluency in English and min. A2 level German.
- Experience with DWDM and handling 10/20/40 Gig fiber links.
- Familiarity with media converters and advanced troubleshooting of physical loops and broadcast storms.
- Leadership experience in coordinating field teams and vendor interactions.
We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect:
- Health Insurance Allowance for peace of mind
- Annual Performance Bonus to reward your impact
- Permanent Employment Contract for long-term stability
- Relocation Support for candidates moving from abroad
- A collaborative, international work culture with opportunities for continuous learning and growth
Key Skills
Ranked by relevance
palo alto
ethernet
nexus
ccna
ccnp
stp
ios
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- Posted
- Jan 29, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Basel
- Company
- Cognizant
Industries
IT Services
IT Consulting
Business Consulting
Services
Categories
Information Technology
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