Job TitleDesigning, deploying, and managing enterprise-scale firewall infrastructure using Palo Alto Networks (PAN-OS) appliances and services.Implementing Zero Trust Network Access (ZTNA) strategy across internal and cloud environments.Performing in-depth troubleshooting, log analysis, and policy tuning to ensure secure, reliable connectivity across site global environment.Collaborating with network, systems, and security teams to develop scalable and automated security solutions for our on-prem and hybrid environments.Managing policy frameworks, NAT rules, decryption strategies, segmentation models, and high-availability configurations.Participating in incident response, architecture reviews, and security posture assessments.Documenting designs, change procedures, and operational standards for firewall and security infrastructure.Must-Have Skills4+ years of hands-on experience in network engineering or security engineering roles with focus on firewall infrastructure.Deep understanding of Palo Alto firewall platforms, including Panorama, virtual firewalls, and security services (App-ID, User-ID, Threat Prevention).Proven experience designing and implementing Zero Trust Network Access (ZTNA) principles in enterprise environments.Strong background in IP networking, routing, and segmentation with a security lens.Experience with Linux-based environments and solid grasp of data center networking (Arista preferred).Ability to conduct traffic flow analysis, perform advanced troubleshooting, and drive resolution of complex connectivity or policy issues.Bonus Points ForFamiliarity with network automation (e.g., Ansible, Jinja, Python, Go) for firewall or policy management.Experience integrating firewalls with SIEM, identity providers (IdP), and endpoint security solutions.Exposure to SASE architectures and cloud-based security services.Understanding of microsegmentation strategies and software-defined perimeter technologies.Experience with SONiC or other open networking platforms.