Senior Network Engineer

Job Title: Senior Network Engineer– Cloud & Data Center

Location: Paris, France (Hybrid)

Language: English and French (Fluent, mandatory)

Overview:

The Group Operations is embarking on a strategic One Network Program to transform connectivity experiences and mitigate cyber risks. We are looking for a Senior Network Engineer to join our Data Center & Cloud Product Line, playing a critical role in shaping, securing, and evolving global infrastructure.

This role is perfect for someone with strong expertise in network architecture, cloud integration, and automation, who thrives in international environments and enjoys leading large-scale transformation initiatives.

Key Responsibilities:

• Lead design and implementation of secure, robust, and cost-effective network solutions.
• Finalize configurations and rollouts of VMware NSX-T and Cisco ACI in new data centers.
• Drive the evacuation of legacy data centers, ensuring knowledge transfer and documentation.
• Provide Level 3 production support in collaboration with build and operations teams.
• Lead network automation efforts using Terraform, Ansible, and Python.
• Collaborate with Group Security, CTO Office, and external partners to deliver secure solutions.
• Ensure high quality of service (QoS) across all network and cloud platforms.
• Engage with stakeholders to gather technical and business requirements and translate them into scalable network designs.
• Maintain strong vendor relationships and drive adoption of industry best practices.

Required Skills & Experience:

• 8+ years of experience in enterprise network design, engineering, and support.
• Proven expertise in:
• VMware NSX-T, Cisco ACI
• Public Cloud Networking (AWS, Azure, GCP, Intercloud)
• Network & Cloud Security (SASE, Firewalls, VPN, Segmentation)
• SD-WAN, LAN/WAN, MPLS, Load Balancers, Transit Gateways
• Strong scripting and automation with Python, Terraform, Ansible
• Experience in managing large-scale transformations in a matrixed, international environment.
• Bachelor’s or Master’s degree in Engineering or related field.

Nice to Have:

• Certifications in AWS, Azure, Cisco (CCNP/CCIE), or VMware.
• Experience with voice, Wi-Fi, identity services.