Patrick A.

Freelance cybersecurity architect with over 8 years of experience in sensitive environments (defense, banking, healthcare, aeronautics), I am involved in the integration, security, and optimization of IT & cloud infrastructures.

Certified Sophos (XGS/Endpoint/Email Instructor), Palo Alto PCNSA, Fortinet NSE, Illumio, and CCNP, I design robust architectures and support teams in their implementation, operational maintenance, and skill development.

Specialized in perimeter security, EDR/XDR, ZTNA, WAF, cloud (AWS/Azure), SD-WAN, technical audit, and documentation (HLD/LLD).

In a team of 5 people responsible for the IT system redesign with the goal of ensuring better service quality and improving the security level to respond to emerging threats.

Mission: Network and Security Support L2 and L3

• Juniper firewall administration

• Cisco Switch configuration L2 and L3 (Vlans, EtherChannel, Spanning tree, Trunk, Inter-VLAN routing)

• Configuration backup management

• Incident management

• Network monitoring

• On-call management

Mission: IT system redesign project

• Conceptual study of a global network architecture for the company

• Redefinition of the global addressing plan to meet requirements

• Drafting of project documents DAT, HLD, LLD

• Comparative study and selection of security solutions to implement

• Implementation

• Migration of the perimeter firewall from Juniper to Palo Alto

• Network traffic analysis and optimization

• Implementation of security features

• Monitoring and resolution of security incidents

2016