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Rubens Casimirius PiejosRC

Rubens Casimirius Piejos

Security and Infrastructure RUN Engineer

€250/day
Geneva, CH
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rubens

IT infrastructure and security engineer, I help you secure and optimize your systems. I have worked on network and security projects (VPN, VLAN, Fortinet, Cisco, MFA, PSSI) and I master supervision and automation to ensure performance and service continuity.
  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • ACCENTURE FRANCE
    Security and Infrastructure RUN Engineer
    January 2022 - January 2024 (2 years)
    Paris, France
    • Creation and management of network flows via Fortigate 1801-F and 601-F including advanced configuration of security policies and VLAN segmentation.
    • Deployment and optimization of WAN infrastructures to interconnect multiple client sites, ensuring secure and efficient routing.
    • Automation of network configurations with specific tools to standardize deployment processes and reduce manual errors.
    • Proactive monitoring of network and system vulnerabilities via OpenCVE.Io, for Fortigate, Palo Alto, and other tools.
    • Implementation of automated blocking policies for malicious IP addresses using Ivanti Pulse Secure, aligned with ANSII recommendations.
    • Management of infrastructure rationalization by decommissioning obsolete servers via Wallix Bastion.
    Fortinet Pulse Secure Wallix Bastion Opencve Technological Watch
  • ITEC
    System and Network Administrator
    January 2021 - January 2022 (1 year)
    Paris, France
    • Implementation of the Information Security Policy (PSSI), including securing LAN flows and remote connections via VPN, integration and configuration of Azure MFA.
    • Supervision of critical network and system equipment (O365, VSA) using PRTG to anticipate incidents.
    • Administration of Active Directory environments (user and group management, GPO application).
    O365 Power Automate VMWARE Information Security Policy Technological Watch
  • IQERA
    Helpdesk Support Technician
    January 2019 - January 2021 (2 years)
    Paris, France
    • Assistance to end-users and hardware management via GLPI.
    • Deployment and configuration of Carbon Black for endpoint protection, and integration of Azure MFA to strengthen access security.
    • Management and configuration of Cisco telephony equipment with Elit Technologies, including the creation of new lines.
    • Remote diagnosis and resolution of incidents using the PRTG supervision tool, ensuring maximum service availability.

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Education

  • AZ-900, AWS Cloud Academy, NSE3 Fortinet
    AZ-900, AWS Cloud Academy, NSE3 Fortinet
  • Master of Engineering (BAC+5)
    SUPINFO
    2024
    Master of Engineering (BAC+5)

Skill set

Categories