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

The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

About us:
Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2025) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.