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Serge Eric D.SE

Serge Eric D.

Network and Security Engineer

€600/day
Mantes-la-Jolie, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Serge Eric

Hello,
I am an engineer passionate about IT and its evolution.
My various experiences have given me a good knowledge of the technologies below.

Cisco: Nexus 9k, ASR, Catalyst
Proxy: Skyhigh Security(Mcafee)
NAC: Cisco ISE
Fortinet: Fortigate(SD-WAN), FortiWIFI, FortiManager, FortiAnalyzer, SD-WAN
Stormshield, Juniper SRX, SonicWall, Pfsense, Palo Alto, CheckPoint: R80.20
SSL VPN Solution: Fortinet, Pulse Secure(Ivanti),PfSense


  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Mantes-la-Jolie (up to 50km)

Experience

  • Confidentiel
    Network and Security Team Leader
    AGRICULTURE
    January 2025 - Today (1 year and 5 months)
    Management Team (2 apprentices, 2 Network engineers)
    Operational Maintenance, Team Skill Development
    RUN Management and SLA Compliance
    Complete Redesign of the network and Security architecture for the Group's 4 sites
    Audit and Inventory of existing infrastructure
    Migration of Cisco Switches and APs to Meraki (MS, CW)
    Implementation of SDWAN policy: WAN and IPSEC VPN
    Writing operational documents, Migration and Technical Architecture Plans
    VPN IPSEC VPN SSL Cisco Meraki Fortigate SonicWall SDWAN Team Management Project Management
  • Coyote Systems
    Network and Security Engineer L3
    SOFTWARE PUBLISHING
    May 2021 - December 2024 (3 years and 8 months)
    Suresnes, France
    Definition of the network architecture and strategy for the IS (HLD, LLD, CMDB)
    Level 2/3 Support in resolving Network and Security incidents
    Ability to communicate effectively with various project stakeholders.
    Production of activity-related documentation: HLD, LLD, CMDB Updates
    Operational Maintenance: 2 Headquarters, 13 Branches, and 4 Data Centers
    Technological Watch: Software version upgrades and patch management
    Passive and Operational On-Call Support (Security Patches, New Infrastructure Integration Projects)
    Vendor Management
    Project Management: Planning, Budget, Operations Schedule
    Projects:
    - Integration of an extended PaloAlto Firewall Cluster,
    - WIFI Migration (Cisco AP to Meraki CW9166)
    - On-Premise Site Migration to Azure Cloud
    - Implementation of a full-mesh MPLS network
    - Migration from Cisco ISE to FortiNAC
    - Migration from a 3-Tier Data Center Architecture to a Spine-Leaf Architecture
    - Build L2DCI DC 4 Cisco Nexus Infrastructure: VPC, VXLAN, OSPF, BGP

    Technical Environment: Pfsense, Fortigate, Stormshield, Azure, Cisco Nexus 9K, Cisco catalyst 3850, Juniper SRX, WLC 2950, Extreme CloudIQ, HP FlexFabric, Oxidized, SSL/IPSEC VPN, Cisco ISE, Skyhigh Proxy, Visio, DrawIO (Network Mapping)

    ecmp OSPF BGP Cisco Nexus VXLAN EVPN Cisco WLC Juniper SRX Extreme Networks Pulse Secure McAfee cisco catalyst VPN IPSEC Stormshield Cisco ISE Firewall Fortinet Aruba HPE
  • BNPPARIBAS
    Network Security Engineer
    November 2019 - May 2021 (1 year and 6 months)
    Implementation of business needs: Traffic Opening, URL Filtering, VPN Creation, Routing. Technical Support and Passive On-Call. Technical Environment: Palo Alto 5250, Fortinet Manager/Analyzer, Checkpoint R80.10, Tufin

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Education

  • Check Point Certified Security Administrator R8X(CCSA)
    Westcon Academy
    2019
    Check Point Certified Security Administrator R8X(CCSA)
  • Engineer in Network Architecture and Security:
    ESIGELEC
    2012
    Ingénieur en Architecture et Sécurité des Réseaux:

Skill set

Categories