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Mohamed Amine BoumaizaMA

Mohamed Amine Boumaiza

Security Expert

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohamed Amine

  • Arabic

    Native or bilingual

  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • AXA GO
    WAF and Reverse Proxy Security Expert
    BANKING AND INSURANCE
    April 2022 - Today (4 years and 2 months)
    Paris, France
    - Study of needs and feasibility for new AXA group projects.
    - Setup and configuration dedicated to new projects.
    - Implementation of new WAF architectures.
    - Creation of F5 ASM security policies and templates.
    - Configuration of policies/troubleshooting of anomalies on Trend proxy antivirus.
    - Keep up-to-date and enrich the various knowledge bases (diagrams, assets, documentation, etc.).
    - As a technical referent, advise the various project teams.
    - Incident management.
    Projects completed:
    WAF F5 Migration:
    - Creation and configuration of WAF F5 instances.
    - Migration of applications (pre-prod and prod) from WAF versions 11 and 12 to WAF version 15 following three strategies.
    - Modification of VIPs on the load balancers upstream of the WAFs.
    - Ensure monitoring and support of migrated applications.
    Load balancer configuration standardization project:
    - Standardization and unification of configurations on F5 LTM load balancers.
    - Ensure the proper functioning of applications behind the VIPs.
    Reverse proxy migration:
    - Migration of Apache reverse proxies to the Cloud.
    - Migration of applications (pre-prod and prod) from reverse proxies version Red Hat V6 and V7 to V9.
    - Ensure monitoring and support of migrated applications.
    Project Management:
    - Attend CAB committees to defend technically validated changes.
    - Manage new projects.
    - Be the entry point for all new projects (needs definition, planning and task dispatching, deadline and step definition).
    RUN:
    - Be Level 3 and 4 support for AXA group during business hours and off-hours.
    - Be the technical referent for international WAF teams.
    - Create tickets with the F5 manufacturer and apply patches.
    - Installation and renewal of licenses/certificates.
    - Maintenance of F5 equipment (Upgrade, Update, reboot, etc.).
  • BNP PARIBAS,
    Network Security Engineer
    January 2021 - March 2022 (1 year and 2 months)
    Paris, France
    WAF:
    • Support application projects in integrating behind Web Application Firewalls (WAF) during project phases.
    • Support application managers in installing their applications behind the group's WAFs.
    • Assist in designing security rules to be implemented for their applications.
    • Test/debug sessions with the business in case of major need.
    • Manage WAF blockages in run mode (understand blockages and assess risk level).
    • Find solutions to restore traffic (application side or WAF side) without lowering the security level of the BNP IS.
    • Act as the interface between the business, Group WAF experts, and vendor security.
    • Management and configuration of ASM security policies (customization of WEB security policies, security policy compliance, and version upgrades).
    • Handling of Reverse Proxy incidents during business hours and off-hours (on-call).
    • Monitoring and analysis of WAF blockages on Splunk.
    • Update WAF security policies and signature databases.
    Proxy:
    • Filtering by categories, URLs, and reputation (GTI).
    • Proxy coding of URLs and source IPs.
    • Creation of explicit authorization rules (Whitelist and blacklist) for business units, subsidiaries, and partners for intranet and internet access.
    Web Analysis:
    • ICAP filtering (file type, size, timeout, etc.).
    • Management of certificate issues related to decryption.
    • Creation of forward proxies to servers.
    • Proxy upgrades.
    • Monitoring and analysis of proxy blockages on Splunk.
    • Handling of Proxy incidents during business hours and off-hours (on-call).
  • AIRBUS,
    Network Security Engineer
    January 2019 - January 2021 (2 years)
    Toulouse, France
    • Perform changes that ensure the evolution of the security infrastructure within Airbus.
    • Provide Level 2/3 technical support for projects from various Airbus departments and its partners.
    • Configure and implement sub-tasks of ongoing projects within our scope.
    • Implement firewall rules on LAN firewalls (FR, GE, SP, UK, NA, CA...) and international firewalls.
    • Installation and configuration of new security equipment. - Detect new vulnerabilities and potential threats related to the different types of equipment used in the infrastructure.
    • Perform necessary upgrades of firewall and load balancer software.
    • Creation of a syslog infrastructure (configuration of security equipment, configuration of syslog servers...) to centralize logs on Splunk.
    • Handle incidents related to the access infrastructure (F5, Nomad, ISE, firewalls (Palo Alto, Fortinet, Juniper, Checkpoint, Cisco ASA...), etc.) at Level 2 and 3.
    • Act as the technical referent during a project's Entry Into Service (EIS).
    • Propose solutions to improve the quality of service provided by the team.

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Education

  • National Engineering Diploma in Telecommunications
    National Engineering Diploma in Telecommunications
    2017
    Diplôme National d'Ingénieur en télécommunications,
  • National Competitive Examination for Engineering Schools
    National Competitive Examination for Engineering Schools
    2014
    Concours national d'entrée aux écoles d'ingénieurs,

Skill set (15)

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