You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Christiano Mbungo AntonioCM

Christiano Mbungo Antonio

Windows / Fortigate / Cisco Systems Engineer

€444/day
Sceaux, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Christiano

With a Master's degree in Network and Security System Architecture. I have expertise in IT infrastructure administration and evolution, with solid experience in Microsoft systems (Active Directory, Azure AD, GPO, Windows Server), virtualization (VMware), backup/restore, and data security. CCNA certified and trained in agile methodologies, I combine rigor, autonomy, and teamwork to ensure the availability, performance, and security of critical environments. Passionate about automation and continuous improvement, I want to put my expertise at your service.
  • English

    Conversational

  • Portuguese

    Native or bilingual

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

Experience

  • Staffme
    IT Consultant
    January 2025 - Today (1 year and 7 months)
    Paris, France
    IT infrastructure management
    VM Creation and administration
    Network equipment administration
    Needs analysis, research and implementation of technical solutions. User assistance in their daily use of IT tools
    Management, evolution, Maintenance in Operational Condition, optimization of the IS,
    System Administration IT Support IT Support System Administration
  • Agence Nationale de l'Habitat Paris
    Systems, Networks & Security Engineer (Apprenticeship)
    September 2022 - September 2024 (2 years)
    Participation in various IS evolution projects: Migration of a Windows Server 2012 R2 infrastructure to 2019. Deployment of a WAF and IPSec VPNs (Fortinet) to secure inter-site exchanges. Integration of advanced monitoring (Dynatrace) to supervise internal and external infrastructures. & Implementation of a telephone solution (softphone) L2 and L3 incident resolution & Creation and updating of technical documentation
    VM creation and administration & Management,
  • ANAH
    Office & Network Technician (Apprenticeship)
    PUBLIC SECTOR
    September 2021 - August 2022 (11 months)
    Paris, France
    User support and L1/L2 infrastructure incident resolution via RT assistance Presentation and Training on business tools to new employees, workstation inventory and administration using PDQ

Recommendations

Be the first to recommend Christiano

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master's Degree: EXPERT IN IT SYSTEM/NETWORK ARCHITECTURES AND SECURITY
    ESGI
    2025
    SYSTÈMES Programmation système et réseaux sous Linux (Python) Haute disponibilité Linux administration système et réseau avancée (LPIC 201 et 02 / Red Hat II) Scripting serveur avec Windows Powershell RÉSEAUX CISCO CCNP Entreprise Core (ENCOR) CISCO CCNP Entreprise Advanced Routing (ENARSI) Virtualisation des réseaux et SDN (Software Defined Network) VIRTUALISATION ET CLOUD COMPUTING Virtualisation VMWare avancée Automatisation de la virtualisation Conteneurs et DevOps Cloud Computing AWS et GCP SÉCURITÉ Sécurité avancée des systèmes OUTILS DE COMMUNICATION Anglais, préparation au TOEIC Communication professionnelle Management de projet SI
  • BACHELOR SECURE INFRASTRUCTURE ADMINISTRATOR
    ESGI
    2024
    BACHELOR ADMINISTRATEUR DES INFRASTRUCTURES SÉCURISÉES

Skill set

Categories