Freelancer profile translated to English.

Description

Cybersecurity enthusiast

#Team player

#Curiosity

#Customer Success

#Adaptation

#Problem solving

• Experience in corporate IP and in the design of network and security architectures with specific depths and business alignment to achieve company objectives.

• Experience in the development and operation of strategic objectives; in coordinating the actions of several teams with an understanding of changes in IT infrastructure, business processes, and applications.

I am available to bring my expertise to any project involving the design, integration, and operational maintenance of network, system, and security infrastructures.

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Maurepas (up to 50km), Nantes (up to 50km), Bordeaux (up to 50km), Toulouse (up to 50km), Lyon (up to 50km)

Groupama
Deputy CISO/SOC Build SIEM Analyst - Mutuaide Subsidiary
BANKING AND INSURANCE
February 2023 - Today (3 years and 4 months)
- Assist the CISO of the Mutuaide subsidiary in his activities.
- Maintain the ELK SIEM: ElasticSearch, Logstash, Kibana; Beats; Rsyslog.
- Ingest logs from new sources on ELK.
- Parse logs with KQL.
- Define use cases and build detection rules for vulnerabilities.
- Generate dashboards on ELK.
- Enrich and maintain The Hive SOAR.
- Investigate cyber incidents and propose remediation scenarios.
- Participate in the deployment of company projects (from a security perspective).
- Challenge and monitor the compliance of security rules in internal projects.
- Build and deploy FW flow matrices, and maintain Palo Alto clusters.
- Ensure the proper deployment and operation of security tools (Zscaler, SentinelOne, etc.).
- Technological watch on cyber threats.
Elastic Stack (ELK) The Hive Palo Alto Networks SIEM SOC Incident Detection and Response Technological Watch KQL
e-qual
Cybersecurity Project Engineer
TELECOMMUNICATIONS
April 2021 - July 2023 (2 years and 3 months)
Paris, France
Within the Professional Services team and in collaboration with the SOC and Pre-sales teams, I support our clients in the design and deployment of technical and commercial solutions for SOC projects related to Cybersecurity:

- Advise management on our Cyber strategy.
- Implement a cyber incident response procedure for our SOC.
- Define cyber training paths adapted to our technical teams.
- Plan and manage cyber projects.
- EDR/XDR: Protection of endpoints and the network against cyber threats with SentinelOne and Tehtris.
- Firewalling with Fortinet (configuration of IPsec/SSL VPNs, security rules, VLANs, BGP routing, upgrades, migration, scripting, etc.).
- SIEM & SOAR (Tehtris): Collection, sorting, and correlation of security events across the entire network; automation and orchestration of remediation actions.
- SASE: Security services designed to protect users, applications, and data through Zscaler solutions.

- Architecture and sizing.
- Ensure the proper deployment and operation of security tools.
- Watch on cyber threats.

Reference for Zscaler, Fortinet, SentinelOne, and Tehtris.
Firewall Zscaler Fortinet Project Management SOC Technical Architecture Document VPN Flow Matrix EDR EPP SIEM Antivirus GPO Microsoft Visio IPSEC Cybersecurity SOAR Network Security SentinelOne Tehtris SSL Training
Bouygues Telecom
Consultant in System and Network Infrastructure Integration
TELECOMMUNICATIONS
October 2018 - January 2021 (2 years and 4 months)
Meudon, France
Within the IEET team, my mission was to integrate IPTV and OTT service platforms:

- Define the physical and logical architecture of the platforms under my responsibility (Microsoft Visio) to integrate new application solutions.
- Establish the project's IP addressing.
- Establish network requirements (VLANs, Load Balancing, Traffic).
- Establish flow matrices.
- Configure VLANs on VMware ESXI6.
- Install, configure, and administer Linux and Windows Servers (Physical and virtual).
- Create volumes and Qtrees on Netapp and mount them on virtual machines.
- Configure F5 VIPs (create pools and virtual servers).
- Define the security policy for assets and connect assets to the SOC (Active Directory, DNS, Tacacs, WSUS, Syslog, Rapid7, Tanium).
- Interface with project stakeholders: testing and validation teams, solution providers.
- Implement the Zabbix monitoring tool across all IPTV and OTT platforms (Develop monitoring strategy, deploy/configure agents/SNMP, and configure templates).
- Write technical documentation.
- Troubleshooting: determine the root cause of incidents (tcpdump).
- Proceed with knowledge transfer to the operations team for operational maintenance.
N2/N3 Architecture Flow Matrix Microsoft Visio Requirements Expression Technical Architecture Document Project Management Linux Windows Server F5 big-IP VMWARE Zabbix Network Security GPO Cisco DNS