Job Summary: Network security professional responsible for operating and maintaining firewalls and WAFs to protect the perimeter against unauthorized access and attacks. Key Highlights: 1. Essential role in protecting networks and applications against unauthorized access. 2. Opportunity to continuously enhance perimeter architecture. 3. Focus on traffic analysis, incident investigation, and automation. **Job Description and Responsibilities:** **Working Hours:** Monday to Friday, from 8:00 AM to 6:00 PM, with a 1-hour lunch break **Level:** Professional **Employment Type:** Service Provider (PJ) **Job Mission** Ensure continuous protection of network and application perimeters against unauthorized access and known attacks. **Job Description** Responsible for firewall and WAF operations and maintenance, including policy implementation, traffic analysis, incident investigation, and supporting continuous improvements to perimeter architecture. **Key Responsibilities** * Create, review, and maintain firewall rules; * Configure and fine-tune WAF policies; * Analyze suspicious traffic and mitigate network attacks; * Investigate network incidents; * Support improvement initiatives; * Integrate events into the SOC; * Generate technical reports. **Requirements:** * Bachelor’s degree; postgraduate degree preferred. * Advanced English proficiency. **Technical Knowledge** * Advanced knowledge of computer networking (TCP/IP, NAT, VLAN, OSPF, BGP, DNS, DHCP, etc.) * Firewall administration (Check Point, Fortinet, Palo Alto, etc.) * WAF administration (Cloudflare, F5, etc.); * Strong experience in network security operations, preferably within an MSSP; * OWASP Top 10; * Network log analysis. **Preferred Qualifications:** * Experience handling large-scale network incidents; * Technical certifications related to firewalls and WAFs; * Knowledge of automation (Python, Bash, Ansible); * Knowledge of cloud architectures. **Benefits:** Birthday day off