Senior Solution Architect – Networks Architecture (Luxembourg)

About the role

We are seeking a Senior Solution Architect with deep expertise in network architecture to support a key client in Luxembourg. The role focuses on designing, implementing, and optimizing large‑scale Cisco‑based LAN/WAN and IP/MPLS solutions while working in a hybrid environment.

Key responsibilities

• Design and integrate new networking solutions based on Cisco Catalyst 9K, Nexus 9K and ACI technologies.
• Perform traffic engineering, capacity planning and root‑cause analysis for complex network issues.
• Lead the implementation of IP/MPLS architectures and ensure seamless migration and scalability.
• Collaborate with cross‑functional teams to translate business requirements into robust technical designs.
• Maintain documentation and provide technical guidance to junior engineers.

Required profile

• 5–10 years of experience in a senior network architecture or solution design role.
• Fluent English; French is a plus.
• Willingness to work on‑site in Luxembourg several days a week (hybrid model).
• Proven ability to troubleshoot and resolve high‑complexity networking problems.

Required skills

• Cisco Routing and Switching
• Catalyst 9K and Nexus 9K families
• ACI (Application Centric Infrastructure)
• CCDE certification or equivalent large‑scale network expertise
• CCIE Enterprise Infrastructure certification
• IP/MPLS networking
• Traffic engineering and network analysis

What we offer

• Competitive compensation package.
• Hybrid work arrangement with modern office facilities.
• Opportunity to work on cutting‑edge network projects for a leading client.
• Professional development and certification support.