Network Security Engineer - Firewall

About the Role : We are looking for a Firewall & Network Security Engineer with strong hands-on expertise in enterprise firewalls, VPNs, network security, and hybrid cloud connectivity. Key Responsibilities : - Design, configure, and manage enterprise firewalls including Palo Alto, Fortinet, Cisco, and Check Point. - Configure and optimize firewall rules, NAT, VPNs, and security policies. - Perform firewall policy reviews, cleanup, and security optimization. - Manage IPS/IDS, WAF, and perimeter security controls. - Design and maintain secure LAN/WAN and cloud network architectures. - Implement IPSec, SSL, and site-to-site VPNs. - Secure and troubleshoot connectivity across AWS, Azure, and GCP environments. - Support incident response, security investigations, and network troubleshooting. - Perform change impact analysis and follow enterprise change management processes. - Maintain security documentation and support compliance/audit activities. Mandatory Requirements : - 3+ years of hands-on experience in Network Security and Firewall Management. - Strong experience with Palo Alto, Fortinet, Cisco ASA/Firepower, or Check Point. - Hands-on expertise in firewall rules, NAT, VPN configuration, policy review, optimization, and cleanup. - Strong experience with IPSec VPN, SSL VPN, and site-to-site VPN. - Experience managing IPS/IDS, WAF, and perimeter security controls. - Strong knowledge of TCP/IP, BGP, OSPF, DNS, and DHCP. - Experience with LAN/WAN and cloud network architecture. - Hands-on experience securing and troubleshooting AWS/Azure/GCP hybrid connectivity. - Experience with monitoring tools and SIEM solutions. - Experience with change management, impact analysis, incident response, and security investigations. - Bachelor's degree in Computer Science, IT, or a related field. Preferred Qualifications : - Certifications: CCNP Security, CCIE Security, PCNSE, NSE 7, CISSP, CISM. - Knowledge of ISO 27001, NIST, CIS Benchmarks, and audit processes. - Exposure to Zero Trust and network segmentation. - Knowledge of Python, Ansible, or Terraform. - Strong analytical and troubleshooting skills.