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Alexandre NikolicAN

Alexandre Nikolic

Security Engineer

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexandre

Network security engineer with over 12 years of experience in managing and securing critical infrastructures.
Specialized in firewall environments (Fortinet, Palo Alto, CheckPoint), traffic analysis, and incident management.
Current focus on SOC activities: incident analysis, SIEM, incident detection, and response.
  • French

    Native or bilingual

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

Experience

  • RADIO FRANCE - FRANCE CULTURE
    Network Security Engineer
    June 2024 - April 2026 (1 year and 10 months)
    • Administration and security of the network perimeter
    • Firewall management (Cisco ASA, Fortinet, CheckPoint)
    • Implementation of security policies (Zero Trust)
    • Traffic analysis and hardening of rules
    • Implementation of rules aligned with MITRE ATT&CK
    • Log analysis and detection of suspicious activities
    • Vulnerability management and remediation
    • Participation in audits (ISO / NIS2)
    • Maintenance in operational and security condition
    SIEM
  • RADIO FRANCE - FRANCE CULTURE
    Network Security Engineer
    June 2024 - April 2026 (1 year and 10 months)
    • Administration and security of the network perimeter
    • Firewall management (Cisco ASA, Fortinet, CheckPoint)
    • Implementation of security policies (Zero Trust)
    • Traffic analysis and hardening of rules
    • Implementation of rules aligned with MITRE ATT&CK
    • Log analysis and detection of suspicious activities
    • Vulnerability management and remediation
    • Participation in audits (ISO / NIS2)
    • Maintenance in operational and security condition
    SIEM Network Administration Firewalling Fortinet cyber
  • SFR distribution
    Technical Account Manager
    TELECOMMUNICATIONS
    November 2023 - April 2024 (6 months)
    - Planning, execution, and monitoring of network and security projects
    - Coordination of internal SFR Business actions on the technical side
    - Level 2/3 technical support
    - Writing of procedures and architecture documentation
    Project Management IS Architecture Project Coordination Meeting Facilitation Diagnosis Incident Management Design and Writing Best Practices PenTest SIEM Qradar EDR XDR Data Analysis Escalation Management Security Incident Management

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Skill set

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