Freelancer profile translated to English.
Back to original languageAbout Jean
Perimeter security expert for over 7 years, my areas of expertise include: configuration and operation of security equipment such as firewalls (ASA, firepower, paloalto, fortinet…), mail and web proxies (ESA and WSA), and access controllers (Cisco ISE). I also intervene in level 2 and 3 incident resolution, as well as in writing operational documents. I also have expertise in firewall configuration audits to optimize firewall rules. Finally, I can support your infrastructure evolution projects as a technical referent.
French
Native or bilingual
English
Fluent
Can work on-site
Palaiseau (up to 50km)
Experience
- DGFIPSecurity ConsultantPUBLIC SECTORJuly 2021 - Today (4 years and 10 months)Noisy-le-Grand, FranceDefine and implement technical architectures for the entire IS (GCOS mainframes, z/OS, AIX servers, HP, new x86/Linux technologies, Cloud);- Support DPN projects for architecture definition and validation;- Manage infrastructures and cross-functional tools (datacenters, network, security, storage, backup, platforms and tools, etc.);- Provide technical support to SSI offices and DISI/ESI;- Ensure service delivery to departments (workstations, printing solutions, etc.);- Master the operational management of IS security.
- SFRSecurity Support EngineerTELECOMMUNICATIONSMay 2016 - July 2021 (5 years and 3 months)Les Ulis, France- End-to-end management of incidents with several criticality levels (medium, high, critical);- Level 3 support during and outside working hours;- Collaboration with publishers (Cisco, Paloalto, fortinet) for security incident monitoring and resolution.- Ability to manage crises and escalations.- Troubleshooting (Cisco ASA, Firepower, ESA/WSA, ISE, ACS, Paloalto, Fortinet);- Implementation of management procedures and documentation of hardware (Cisco, Checkpoint, Paloalto);- Reproduce customer behaviors/problems in a Lab environment.- Audit of ASA firewall configuration with recommendation report.- Guide and advise clients on implementing new functionality- Technological watch (Cisco, Checkpoint, Fortinet, Paloalto).
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Education
- Specialized Master in Systems and Network SecurityTélécom SudParis2016
Certifications
- Palo Alto Networks Certified Network Security Engineer (PCNSE)Palo Alto Networks
- Cisco Certified Specialist - Security CoreCisco