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# Ingénieur Réseau confirmé

- **Company:** Jean Michel
- **Location:** Guyancourt, France
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Bash Shell, Border Gateway Protocol, Cloud Computing, Multi-protocol Systems, Python (Programming Language), Open Shortest Path First (OSPF), Ansible, Wide Area Networks, Wi-Fi Technology, Load Balancing, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Fortinet, Route53, Vmware
- **Published:** September 14, 2026
- **Apply:** https://www.viteunemploi.fr/candidat/offres/offre-d-emploi-ingenieur-reseau-h-f-guyancourt-ile-de-france-cdi-2615649

## About the Role

1. Sécurité & Edge : Firewalls Fortinet (FortiGate, FortiManager, FortiAnalyzer)
 2. LAN & Wi-Fi Distants : Flotte Cisco Meraki (Dashboard Cloud, Zero-touch provisioning)
 3. Datacenters : Switches Dell PowerSwitch (Routage avancé BGP, OSPF, VXLAN)

 * Cloud (AWS) : Connectivité hybride (Direct Connect, Transit Gateway), Load balancing (ALB/NLB, Route 53) et sécurité (VPC Flow Logs, Network Firewall)
 * Automatisation : Industrialisation des configurations via Ansible, Python et Bash

## Description

* Architecture & Conception : Définir les architectures cibles, rédiger les Dossiers d'Architecture Technique (DAT) et concevoir les topologies de routage pour l'ouverture ou la fusion de sites.
 * Administration & Expertise (Multi-domaines) : Piloter l'exploitation avancée du triptyque Fortinet / Cisco Meraki / Dell, et assurer la gestion de la couche SDN avec VMware NSX (micro-segmentation, gateways T0/T1).
 * MCO & Performance Opérationnelle : Assurer le support N2/N3 dans le respect des SLA, superviser l'infrastructure, piloter les opérateurs télécoms (MPLS, SD-WAN, Internet) et participer aux astreintes.
 * Projets Transverses : Collaborer étroitement avec les équipes Systèmes et Sécurité, industrialiser les processus par le scripting, et piloter techniquement les phases de fusions-acquisitions.

Environnement technique :

 * Périmètre : 2 Datacenters principaux, plus de 200 bureaux et sites distants à l'international
 * Environnement Hybride : Réseau physique (LAN/WAN) interconnecté à un réseau virtuel (VMware NSX-T) et une infrastructure Cloud (AWS)
 * Écosystème Multi-constructeurs


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