Firewall L2 Engineer
2 weeks ago
Job Summary
The Firewall L2 Engineer will provide operational support for managing, configuring, and optimizing, and troubleshoot network security infrastructure, ensuring firewall security policies, configurations, and performance meet business and compliance requirements.
Key Responsibilities
1. Firewall Administration & Policy Management
- Configure, manage, and optimize firewall policies, NAT rules, and security controls.
- Troubleshoot firewall-related connectivity issues
- Monitor firewall logs for security events, anomalies, and performance issues.
- Ensure proper segmentation and access control based on business requirements.
2. Network Security & Incident Response
- Investigate escalated security incidents related to firewall breaches, network intrusions, and unauthorized access.
- Work with SIEM tools (Splunk) to analyze firewall-related security alerts.
- Support incident response and forensic analysis by extracting relevant logs from firewalls.
- Fine-tune firewall rule sets and security controls.
3. VPN & Remote Access Management
- Troubleshoot site-to-site VPNs and firewall-based secure connections.
- Implement high-availability and failover configurations to ensure network uptime.
4. Compliance & Security Best Practices
- Ensure firewall configurations align with security standards
- Maintain compliance with industry regulations
- Assist in security audits by providing firewall logs, configurations, and technical documentation.
5. Firewall Performance & Optimization
- Monitor firewall resource utilization (CPU, memory, sessions) and optimize configurations.
- Perform regular rule reviews, policy clean-ups, and firewall tuning to enhance efficiency.
- Implement firmware and security updates to protect against vulnerabilities.
Education & Certification Requirements:
1. Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.
2. Preferred Certifications:
- Palo Alto Networks Certified Network Security Administrator (PCNSA)
- Fortinet NSE 4 or higher
- CompTIA Security+ (for foundational cybersecurity knowledge)
Technical Skills
- Hands-on experience with firewall platforms (Palo Alto, Fortinet, Check Point, Juniper).
- Strong understanding of firewall rule configurations, NAT, ACLs, and threat prevention mechanisms.
- Knowledge of SIEM tools (Splunk) for firewall log analysis.
- Familiarity with network security protocols (TCP/IP, BGP, OSPF, VLANs, DNS, DHCP).
Soft Skills
- Strong analytical and troubleshooting abilities.
- Ability to work under pressure and handle security incidents efficiently.
- Excellent communication and documentation skills.
- Team player with a proactive approach to security enhancements.
Experience Requirements
- 3-5 years of experience in firewall administration or network security engineering.
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