Network Security Engineer - Firewall/Zscaler (3-5 yrs)

Responsibilities :

- Design and architect end-to-end AI solutions tailored to meet business objectives and requirements in the procurement domain.

- Overall, the job requires supporting the firewalls and other network security components in the environment located across various regions and countries.

- Supporting the setup, upgrade and migration of firewalls, VPN, web proxies etc.

- Support the cloud team to harden the network security posture on Cloud by leveraging NSGs, VPN, 3rd party firewalls, Cloud WAF.

- Analyze the new requirements based on input from various IT teams and provide solutions to meet the business requirements while maintaining the security posture of the enterprise.

- Identify opportunities for strengthening network security posture in the datacenter, regions, and cloud.

- Support in performing Proof of Value / Concept (POV/POC) for evaluating capabilities/features of new products and technologies.

- Hands-on experience on centralized management of firewalls through Panorama, Forti-Manager etc.,

- Working knowledge on handling security related issues on cloud environments primarily on GCP, AWS, etc.,

- Hands-on experience handling implementation and troubleshooting of applications onboarded on WAF. Product based experience on Imperva, Cloudflare, GCP, Amazon WAF would be value added.

- Must have experience on handling Zscaler web proxy environment.

- Must have experience on handling Cloud networking environment either on GCP, AWS handling on NSG, Application Gateway, Load Balancer, Peering etc.

- Must have experience in handling and troubleshooting Client to site VPN environment.

- Must have experience analyzing and implementing complex firewall rules on security devices (FortiGate, Palo Alto, AWS & GCP native Firewalls).

- Demonstrated ability to analyze network traffic flows to reverse-engineer the required firewall ports and rules to allow secure access of applications

- Strong technical ability to troubleshoot firewall problems in a large enterprise involving complex network application flows between multiple hosts spanning multiple firewalls/security zones and different geographic locations

- A comprehensive knowledge of IP networking and network security including Intrusion Detection, DMZ, encryption, IPsec, SSL VPNs, MPLS/VPN, Site to Site VPN tunnels, SSL/VPN, proxy services etc.

- Must have strong analytical and problem-solving skills and a solid understanding of how to troubleshoot connectivity and performance issues that involve firewalls, MPLS network connectivity and applications

- Must have experience on handling NAC (Network Access/Admission Control).

- Other security components are value added like DNS security, MFA etc.,

- Good hands-on experience in creating network diagrams, Network architecture diagram, Schematic diagrams in using MS Visio.

- Able to support on night shifts based on client requirements.