Sébastien Plaquet

On assignment in the Netops team, I mainly work on Cloud network environments. The team also manages connections with all Norauto countries and partners.

Context: Integrated into the Network team of Auchan Retail International's Infrastructure and Technologies Directorate, my main mission is the evolution and operational maintenance of Auchan Retail International's entire network infrastructure. Scope: The team is responsible for the interconnection between Auchan countries, Auchan partners, and Auchan Retail International's information system (multi-clouds). In addition, the team is responsible for the infrastructure of Auchan Retail International's two headquarters in the Lille region and Auchan Retail International's Data Centers. Mission / Achievements:

- Implementation and evolution of deployments in a CI/CD context for network infrastructure configurations using IAC tools (Terraform). Migration of country connections to Auchan Retail International data centers to a new solution.

- Operational maintenance of Auchan Retail International's entire network infrastructure: LAN/WAN/WLAN for headquarters, data centers, and all network components of each Cloud provider, with on-call duties.

- Referencing of a Zero Trust Network Access (ZTNA) solution to migrate all remote access to Auchan Retail International's information system and migration to this new solution.

- Management of Auchan Retail International's public domains.

- Migration of Firewalling and DDI solutions for one of the Cloud providers.

- Compliance of network components on different cloud providers according to Auchan Retail International standards defined by architects.

Context: Integrated into the Build team of the OCWS Lille agency, my main mission was to implement projects in France (North and North-East regions) and internationally within the following scopes: LAN, WLAN, SDWAN, DC, DDI, 802.1x. My responsibilities were as follows:

• Definition of technical solutions and architectures in response to the needs expressed by clients and prospects.

• Execution of engineering services (definition of specifications, acceptance test plans, implementation procedures, Wi-Fi coverage audits).

• Configuration of equipment for deployment (staging or on-site configurations).

• Integration of solutions into client environments (equipment configuration, migration execution and resource coordination during migrations, technical acceptance, skills transfer).

• Support for the project manager during the execution phase, taking charge of technical leadership and technical validations.

• Support for teams in troubleshooting.

• Technological watch.

• Audit execution.