L3 Networking , Fortinet and Palo Alto, Aruba and Meraki.

Position: Firewall Engineer

Location: Chennai (Work from Office)

Job Type: Full-time

Relevant Experience 5 years (Mandatory)

Timings: 24 / 7

Job Summary:

Mainly we are specifically looking for Networking technology,Fortinet and Palo Alto and Aruba and Meraki switches.

We are seeking a highly skilled Senior Firewall Engineer to join our Network Security team. The ideal

candidate will be responsible for managing, configuring, troubleshooting, and optimizing firewall

infrastructure across enterprise environments. This role requires deep expertise in firewall

technologies, security protocols, and network security best practices to ensure a secure and resilient

IT infrastructure.

Key Responsibilities:

• Design, implement, and manage enterprise firewall solutions, including policies, rule sets, and

access controls.

• Provide advanced troubleshooting and problem resolution for complex firewall-related issues.
• Monitor firewall performance, conduct regular security assessments, and implement necessary

updates and patches.

• Optimize firewall configurations to enhance security posture while maintaining business

continuity.

• Collaborate with internal and external teams to analyze security incidents and provide

remediation solutions.

• Conduct in-depth analysis of network traffic and logs to identify potential threats and

vulnerabilities.

• Lead firewall migrations, upgrades, and integration projects.
• Develop and maintain technical documentation, including firewall rules, configurations, and

security policies.

• Provide mentorship and guidance to Level 1 and Level 2 engineers.
• Ensure compliance with industry security standards, best practices, and regulatory

requirements.

• Participate in on-call rotation for incident response and emergency troubleshooting.

Required Qualifications & Experience:

• Bachelors degree in computer science, Information Security, or related field (or equivalent

experience).

• 5+ years of hands-on experience with firewall technologies, including but not limited to Palo

Alto, Fortinet, Zscaler, Cisco ASA/Firepower, and Check Point.

• Deep understanding of networking protocols (TCP/IP, BGP, OSPF, VLANs, VPNs, NAT, etc.).
• Expertise in intrusion detection and prevention systems (IDS/IPS) and threat intelligence.
• Strong knowledge of security frameworks (NIST, ISO 27001, CIS Controls) and regulatory

requirements (PCI-DSS, HIPAA, GDPR).

• Experience with automation and scripting (Python, Ansible, PowerShell) for firewall

management is a plus.

• Proficiency in SIEM tools, packet analysis, and log correlation for threat analysis.
• Strong analytical and problem-solving skills with the ability to make quick decisions in high

pressure situations.

• Excellent communication and documentation skills.

Preferred Certifications: (Atleast 2 certifications - Mandatory):

• Palo Alto Networks Certified Network Security Engineer (PCNSE)
• Fortinet NSE4/NSE7
• Cisco Certified Network Professional Security (CCNP Security)
• Check Point Certified Security Expert (CCSE)
• Zscaler Delivery Specialist / Zscaler for Users Advanced (EDU-202) / Zscaler Digital.