Network & Security Architecture Manager Transition Manager H/F - Devoteam France

Devoteam est une entreprise de conseil en technologies, cloud, cyber, IA et développement durable. Avec plus de 11 000 collaborateurs dans plus de 25 pays, nous guidons nos clients depuis près de 30 ans dans la transformation technologique de leurs activités. En France, nous sommes 4500 Digital Architects répartis dans + de 50 tribus d'expertises et coachés par + de 400 managers experts. Nous rejoindre c'est : travailler sur des projets innovants et durables pour mettre la Technologie au service de l'humain, se certifier en continu sur les nouvelles tech du marché et partager des moments uniques entre collègues ! Pour en découvrir plus sur Devoteam, rendez-vous ici.
Role & responsibilities Your main missions will be to: Quickly assess the current architecture landscape, ongoing initiatives and risks, and confirm apragmatic 3-6 month roadmap aligned with IT and cybersecurity strategy Lead, support and develop the team of network and security architects (4 people): clarify priorities,allocate capacity, and ensure day-to-day management continuity Define and drive the architecture strategy for network & security domains, including LAN, WLAN, SD-WAN, SSE and datacenters, with a focus on immediate impact and decision-making Provide high-level expertise and escalation support on critical topics, ensuring service stability and riskmitigation Coordinate efficiently with other stakeholders (cybersecurity, operations, external vendors, etc.) andprepare an organized handover package for the permanent managerInterim mission - objectives & expected deliverables 0-30 days: onboarding, stakeholder mapping, review of current architecture standards and in-flightprograms; identification of key risks and quick wins 30-90 days: validated priorities and roadmap; governance cadence in place; decisions unblocked oncritical topics (SSE, SD-WAN, datacenter, cloud connectivity) Delivery: updated architecture principles/standards where needed; documented target states andtransition plans for major initiatives Handover: complete handover pack (status, risks, decisions log, roadmap, stakeholder map, vendorlandscape) and support of the permanent manager's ramp-upTechnical contextAs a manager of a technical team, hands-on and practical experience is really important. Your role will be tolead a team of architects while having a strong understanding of all key concepts: Enterprise network architectures (WAN, LAN, WLAN, SSE, datacenters) SD-WAN - Fortinet SSE - Zscaler Firewalling - Checkpoint, Palo Alto, Fortinet WLAN/LAN - Cisco Meraki Datacenter - Juniper LAN, Cisco LAN, F5 Cloud networking concepts - AWS in particular

Experience & soft skills 10+ years of experience in Enterprise networking, including significant architecture experience andproven experience in team management or technical leadership Proven ability to step into complex organizations quickly (interim/transition, consulting or turnaroundcontexts) and deliver within short timelines Capability to interact with multiple stakeholders in an international environment; ability to challenge,arbitrate and make decisions Strong prioritization skills and pragmatic approach to balance long-term architecture principles withoperational constraints Fluent English (written and spoken)