Freelancer profile translated to English.

Description

Experienced network architect, I design resilient, secure, scalable, and automatable network infrastructures. I am a technical leader and designer of impactful network service offerings. I also lead and manage projects to bring them to completion.

Languages

English
Fluent
German
Conversational
Spanish
Basic
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

CISCO
Datacenter Network Expert
October 2025 - Today (8 months)
Paris, France
Cisco CX (Customer Experience) Consultant for CNS (Critical National Services), Paris City Hall, and Orano accounts:
• Consulting and expertise on Cisco Datacenter products (ACI, Nexus): automation, new features, version upgrades, equipment renewal, compatibility
• Monitoring of customer equipment lifecycle, OS versions, and vulnerabilities
• Technical Assistance Center (TAC) rotation for 2 months
Cisco ACI Automation IT Architecture
La Poste Groupe
Datacenter & Cloud Network Architect and Product Manager
October 2015 - November 2025 (10 years and 1 month)
Paris, France
Referent Network Architect:
• Design of resilient, secure, scalable, and automatable network infrastructures for La Poste's private cloud
• Modification of network infrastructures to make them more scalable, to overcome product limitations (especially Cisco ACI, F5 BigIP), to meet new use cases, and to optimize performance
• Hybridization of on-premise Cloud with Azure:
-> Design of the network and security infrastructure (hubs, spokes, Vnets, firewalls, NSGs, etc.) to be similar to on-premise infrastructures and to consider Azure as a third datacenter
-> Extension of on-premise network services (segmentation, traffic filtering, load-balancing, etc.)
• Writing of architecture documents, HLD, LLD, diagrams (Visio)
• L3 Expertise: knowledge transfer, assistance, and support for technical teams (operations and deployment)

Automation:
Automation (with Ansible) of network services to make them available to project teams, thus making them autonomous while framing the use of these services with management rules (compliance with PSSI, quotas, consistency checks, etc.):
• Creation, modification, deletion, and inventory of
-> Segmentation zones (EPG) to isolate applications
-> Traffic flows (Fortinet filtering rules and ACI contracts)
-> Different types of VIPs to expose applications via reverse proxies
-> Wide IPs for multi-datacenter load balancing (GSLB)
-> IP address and DNS name reservations
-> Management of WAF suggestions and WAF security policies (versioning, replication, etc.)
• Implementation of automated regression tests

Technical Environment:
• SDN: Cisco ACI (application-centric)
• Load-balancer / WAF: F5 BigIP i7800, i10800, r10800, r10900
• GSLB: F5 BigIP i2600
• Firewalls: FortiManager, Fortigate 3700D, 4200F, 600F, SDN Connector
• DDI: Efficient IP
Ansible Fortinet Cisco ACI F5 BigIP Network Architecture
Crédit Agricole
Network and Security Engineer
May 2015 - October 2015 (5 months)
Guyancourt, France
Technical expertise for taking over the IT outsourcing of Crédit Agricole's network and security infrastructures (datacenter, LAN and WAN infrastructures for the group's sites in France and abroad):
• Study of the technical scope to be taken over and assimilation of documentation and processes
• L3 Support for teams in India who handled L1 and L2 administration
• Takeover of infrastructure evolution projects