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Kevin SonwaKS

Kevin Sonwa

Systems, networks, and security administrator

€300/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kevin

IT engineer specializing in systems, networks, and security, I help companies protect, optimize, and evolve their IT infrastructures. Responsive, reliable, and solutions-oriented, I intervene quickly to guarantee the availability, performance, and security of IT systems, even in critical environments.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Lyon (up to 50km)

Experience

  • Club Med
    Network and Security Administrator
    HOSPITALITY
    May 2024 - Today (2 years and 1 month)
    Lyon, France
    1) Support & Backlog (L1 & L2)
    - Ensure triage, diagnosis, resolution, and escalation of requests/incidents for the Europe/Africa region
    - Prioritize according to impact/urgency and respect SLAs.
    - Monitor and reduce MTTR; manage major incidents and coordinate stakeholders.
    - Participate in handovers with relevant teams.
    - IT Resort Infrastructure On-Call — Participate in the on-call system to ensure service continuity for Villages outside of business hours.

    2) Documentation & Standards
    - Keep CMDB Confluence, Visio diagrams, IP plans, and runbooks up to date; ensure compliance with network standards.
    - Update repositories after each change and publish versions.
    - Manage IP addressing and IPAM.

    3) Partner Connectivity
    - Orchestrate partner onboarding/offboarding, manage access (VPN, VLAN, SSID, FW rules), and ensure their supervision.
    - Process connection requests, document and validate security rules.
    - Quarterly review of access and rights; security & GDPR compliance.

    4) Site Openings/Closures
    - Prepare and execute the network playbook (accounts, monitoring, checklists).
    - Plan and perform network SAT (Site Acceptance Tests).
    - Produce the commissioning checklist and the rollback plan.
    - Provide enhanced post-go-live support and handover to operational teams.

    5) M&E (Meetings & Events)
    - Qualify needs, dimension capacity, configure temporary resources, and provide support during the event.
    - Configure temporary SSIDs, QoS (VoIP/video), and bandwidth reservations.

    Technical Environment:
    • Cisco LAN, Meraki Cloud
    . switching and Routing (Cisco, Huwei, Nexans)
    • Meraki WLAN, UCOPIA authentication servers, Cloudi-Fi
    . Windows server 2019
    • IPTV, TRIPLEPLAY digital signage, Samsung Magic Info
    • Fortinet firewalls
    Incident Management IS Architecture User Support Network Monitoring Vulnerability Management
  • Capgemini
    System Administrator
    April 2023 - April 2024 (1 year)
    Lyon, France
    Manage incidents (1st, 2nd) and supervise the IS. Migrate Hyper V virtual servers to Azure (50 servers). Manage the IT park (Installation, configuration, and maintenance). Install, configure, and maintain servers (Update, Backup, and Recovery). Create users and manage access rights (250 users). Document implemented processes and provide necessary training.
  • Eau de Paris
    Network and Systems Engineer
    April 2022 - March 2023 (11 months)
    Paris, France
    Implement a new DNS architecture. Deploy business applications and updates (50). Support and resolve technical problems (900 users). Installation and maintenance (hardware, OS, software, Printers, and Smartphones). Implement the Intune telephony server and Knox Security. Manage identities (IAM) and user account privileges (PAM). Write and maintain documentation.

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Education

  • Master Specialized, Expert in network and systems engineering option
    Institut F2I
    2022
    Master Spécialisé , Expert en ingénierie réseaux et systèmes option
  • Master 1 and 2
    3iL - Engineering School in Computer Science
    2021
    master 1 et 2

Skill set

Categories