About
As a consulting company specialized in IT and digital sectors, Extia has prioritized an approach that combines performance and well-being at work since its creation in 2007. This vision is shared today by more than 2,500 Extians across France and internationally, and has been recognized by the Great Place to Work® certification for 15 years!
Responsibilities
•Configure and maintain firewall rules and policies on Fortigate and/or Palo Alto platforms
•Monitor and analyze network traffic to identify anomalies and ensure adherence to secure communication protocols
•Troubleshoot and resolve security issues related to ports, protocols, and proxy configurations
•Implement microsegmentation strategies within 3-tier architecture environments
•Configure and manage NAT rules to control IP address translation and traffic flow
•Collaborate with security, infrastructure, and application teams to support incident resolution and policy updates
•Document configuration changes, procedures, and network diagrams
•Work with ticketing systems (ServiceNow experience is a plus) for issue tracking and resolution
Requirements
•Analytical mindset: able to identify and resolve security and networking issues quickly and accurately
•Autonomous and proactive: takes initiative in identifying improvement opportunities and handling incidents independently
•Strong collaboration skills: works well in cross-functional and international teams
•Attention to detail: maintains thorough documentation and follows best practices rigorously
•Problem-solving orientation: brings a logical, structured approach to investigating complex issues
•Adaptability: comfortable working in a fast-paced, evolving technological environment
•Proven experience with Fortigate and/or Palo Alto firewalls
•Strong understanding of networking fundamentals, including microsegmentation and NAT
•Solid knowledge of TCP/IP, ports, protocols, and proxy configurations
•Experience in troubleshooting and securing complex network environments
•Familiarity with ITSM tools such as ServiceNow
•Excellent verbal and written communication skills in English
•Ability to work independently as well as part of a global, cross-functional team
Nice to have
•ServiceNow experience
•French language
Conditions
No conditions specified in the posting.
