Job Information
Cognizant Senior Network Engineer (L2/L3 Physical & Logical Support) in Basel, Switzerland
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
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).
Work Model
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.
Nice-to-Haves
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.
What We Offer
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
Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.