Network Development Engineer, WAN & Edge

ABOUT MISTRAL Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited. THE ROLE As a Network Development Engineer - WAN & Edge, you will design, automate, and operate resilient connectivity between data centers, cloud environments, external networks, and the internet. Your work will span routing, firewalls, traffic engineering, and production troubleshooting. This is a hands-on role for an experienced network engineer who can build, test, debug, and review production-grade automation. Networking depth and strong software-engineering judgment matter more than familiarity with any particular language, platform, or tool.   WHAT YOU WILL DO - Design and evolve resilient inter-site, cloud, and internet connectivity for large-scale AI infrastructure. - Own external BGP policy and traffic engineering at the edge, including route filtering, failover, and capacity planning. - Build API-driven automation for edge routing, firewalls, VPNs, carrier connectivity, and network segmentation. - Coordinate with carriers, cloud connectivity providers, colocation partners, and vendors on design, provisioning, incident escalation, and service improvement. - Design safe change workflows with automated validation and resilience testing, staged rollouts, observability, rollback, and recovery. - Participate in on-call rotation, troubleshoot active WAN and edge incidents, rest