Network Security Engineer

The L2 Engineer – Firewall Security is responsible for providing advanced technical support, management, and optimization of firewall security solutions. This role involves handling escalated issues from Level 1 (L1) support, ensuring the stability and security of network infrastructure, and collaborating with cross-functional teams to implement and maintain firewall configurations and policies.

Technical Support and Troubleshooting

• Provide Level 2 (L2) support for firewall security solutions, including hardware and software firewalls (e.g., Palo Alto, Fortinet, Check Point, Cisco ASA).
• Troubleshoot escalated issues related to firewall configurations, connectivity, and security policies.
• Perform root cause analysis (RCA) for recurring issues and document solutions.
• Resolve complex network security issues, including traffic filtering, intrusion prevention, and VPN connectivity.

Firewall Configuration and Management

• Configure and manage firewall rules, policies, and security settings to ensure optimal protection.
• Implement and optimize security features, including intrusion prevention systems (IPS), web filtering, and application control.
• Monitor firewall performance and traffic patterns using security management tools.
• Maintain firmware updates and patches for firewall devices.

Incident and Problem Management

• Respond to and resolve security incidents within defined SLAs.
• Escalate unresolved issues to Level 3 (L3) support or vendor teams when necessary.
• Document incidents, resolutions, and lessons learned in the knowledge base.

Compliance and Security

• Ensure firewall configurations adhere to organizational security policies and industry standards.
• Conduct regular audits to ensure compliance with regulatory requirements (e.g., GDPR, ISO 27001).
• Implement and maintain VPNs, SSL/TLS encryption, and other security protocols.

Qualifications

Education

• Bachelor’s degree in computer science, Information Technology, Cybersecurity, or a related field.
• Security certifications (e.g., Palo Alto PCNSA/PCNSE, Fortinet NSE4/NSE5, Check Point CCSA/CCSE) are highly preferred.

Experience

• 5+ years of experience in network security
• Hands-on experience with firewall solutions from vendors such as Palo Alto, Fortinet, Check Point, or Cisco.
• Proven expertise in troubleshooting and resolving firewall-related issues.

Technical Skills

• Strong knowledge of firewall technologies, including rule creation, traffic filtering, and VPN configuration.
• Proficiency in network protocols (e.g., TCP/IP, DNS, DHCP, BGP, OSPF).
• Experience with intrusion prevention systems (IPS), web filtering, and application control.
• Familiarity with security monitoring tools (e.g., Panorama, FortiAnalyzer, Cisco FMC).
• Knowledge of ITSM platforms (e.g., ServiceNow) for incident and problem management.