Jean Guillaume Fontaine

In charge of the Run & Build of the global network - 6 data centers and 756 sites with 14000 Meraki assets ➟ Supervised 7 network engineers and managed supplier relationships ➟ Ensured network availability, quality, and security (with a specific focus on HQ sites), in line with business constraints and SLA ➟ Handled major incident escalations and solving

In charge of the Run & Build of the global Network - Budget 1 M € - 82 sites connected by OBS, SFR ➟ Supervised 5 network engineers ➟ Led the inventory of network assets and rationalized them to cut costs ➟ Integrated new entities in the network (Germany, Spain, India): + 30% ➟ Defined the architecture and deployed the SDWAN

In charge of the Run and Build of the French Network - Budget 2M € - 272 sites connected by Orange MPLS ➟ SWOT analysis of network ➟ Improved the monitoring of existing network Equipment ➟ led a study of SD Wan solutions and migration to a new internet gateway

Managed the relationships with British Telecom - Budget of 12 M € - 38 countries - 130 sites - 5 projects / year - Planned and coordinated telecom projects during the evolution of the architecture (integration, moving and closing of entities, migration to new technologies (ex: Zscaler internet on the cloud)). ➟ Defined customer needs, calculated workload and budget. ➟ Liaised with internal/external stakeholders and scheduled interventions. ➟ Followed up project progress and analyzed deviations. ➟ Launched purchase requisitions, ensured supplier risk management and applied contractual penalties when needed. ➟ Set performance indicators and monitored Service Level Agreements (availability, continuity, and network performance).

Led Infrastructure DSL deployment project for French regions ➟ Sized project with the help of the network architecture department. ➟ Performed physical and logical engineering of MPLS networks. ➟ Deployed and commissioned Alcatel’s routers, DSLAM and radio link. ➟ Provided technical support to the NOC and site contacts

Supported international customers (Lafarge, Nexans, Schneider Electric ...) ➟ Brought technical expertise to locate and resolve network failures. ➟ Anticipated customer needs (planning capacity ...). ➟ Managed the customer relationship.

Deployed and roll-out of the frame-relay network in the EMEA area ➟ Moved network rooms (POPs).the ➟ Enhanced the architecture to optimize quality and costs. ➟ Scheduled tasks and coordinated teams.

Managed the IBM Global Network in France ➟ Ensured the setup and maintenance of IDNX equipments ➟ Selected and implemented the SNMP probes