Freelancer profile translated to English.
Back to original languageAbout Guénolé
Network architect specializing in WAN, SDWAN, and Datacenter networks, I have worked for over 9 years for various French network operators of national and European scale.
My skill set includes:
- Network architecture (LAN, WAN, SDWAN, datacenter)
- Telecom architecture (backbone, IP transit, WDM, peering, MPLS, VXLAN, BGP, EVPN)
- Cloud architecture (proxmox, openstack, kubernetes, terraform, GCP)
- Network and system automation (ansible, netconf, packer)
French
Native or bilingual
English
Fluent
Can work on-site
Nantes (up to 50km), Paris (up to 50km), Rennes (up to 50km), Angers (up to 50km)
Experience
- architecte-reseau.frNetwork and Datacenter Architect FreelanceBANKING AND INSURANCEOctober 2024 - Today (1 year and 8 months)Nantes, FranceAs an independent contractor, I have supported several B2B clients in the redesign and evolution of their network and datacenter infrastructures, such as:-Infrastructure Rationalization:Relocation of 4 datacenters (30 racks per datacenter) to 2 new datacenters-New Datacenter Network Deployment:Implementation of a Cisco and Arista BGP EVPN/VXLAN infrastructure across over 120 devices-Network Security:Compliance with SecNumCloud, macro and micro segmentation, DMZ redesign, BGP control plane protection, etc.-Consulting and Project Management:Drafting of tender documents, selection of network suppliers and service providers (purchase of 100G waves, MPLS links, integrator, etc.)
- NetwoWAN Network Architect - SDWAN - DatacenterTELECOMMUNICATIONSNovember 2020 - July 2024 (3 years and 9 months)Nantes, FranceCreation of a national MPLS core network (5 points of presence) in France and Germany from scratch. Negotiation with various suppliers to secure datacenter racks and long-distance transport links.Implementation of the entire SI stack for monitoring and automation on the cloud (GCP using IaC methods (Terraform and Ansible) and containers (Docker and Kubernetes).Provision of Layer 2 and Layer 3 operator transport services using MPLS BGP/EVPN. Automation of the network environment by creating and maintaining Rust-based REST APIs coupled with AWX.
- OrangeWAN Network Engineer - Core Network/BackboneTELECOMMUNICATIONSSeptember 2017 - August 2020 (3 years)Rennes- Addition, configuration, and industrial deployment by automation of new network equipment (Cisco NCS5501)- Development of an industrialization process for new equipment- Level 3 Support: opening cases with manufacturer technical support (TAC)- Participation in the evolution of the technical network architecture (Nokia 7750 SR7)
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Education
- Computer Engineering, Networks and Telecommunications with apprenticeship specializing in CloudIMT Atlantique2020Formation sur le domaine des réseaux opérateurs fixes et mobiles, programmation orienté objet, électronique pour les télécommunications et gestion de projet. Spécialisation en dernière année sur : - les technologies cloud (Docker, openstack, kubernetes) - les technologies réseaux SDN, SDWAN, NFV (MANO, openflow) - automatisation des systèmes (ansible, terraform, gitlab ci)
- University Diploma in TechnologyIUT de Saint-Malo2017- Connaissance des protocoles de routage : RIP, OSPF, IS-IS, LDP, MPLS, BGP - Connaissance en télécommunication : fibre optique (GPON), xDSL, faisceau hertzien (modulation numérique et analogique) - Configuration d'équipement Cisco (switch, router) - Configuration de services réseau : DHCP, DNS, HTTP(S), FTP, SMTP - Administration système sur linux (debian) and Windows server 2008 - Langage de programmation : C, Java, HTML5/CSS3, PHP7, Perl - Gestionnaire de base de données : postGreSQL
Certifications
- Nokia Routing SpecialistPearson Vue
- GitLab Certified Git AssociateGitlab