Network Engineer (Firewall operations)

AppViewX is trusted by the world’s leading organizations to reduce risk, ensure compliance, and increase visibility through automated certificate lifecycle management. At AppViewX, you will get to work with our AVX ONE platform that provides complete certificate lifecycle management and PKI-as-a-Service using streamlined automation workflows to prevent outages, reduce security incidents and enable crypto-agility. AppViewX is also certified as a Great Place to Work in India, cementing us as an employer of choice.

We are looking for a Network Security Engineer with 3–6 years of experience to support firewall operations in a large enterprise environment. This role focuses on firewall policy analysis, IP address triage, rule management, and coordination with security stakeholders.

The ideal candidate will have hands-on experience with FortiGate and Cisco firewalls, strong troubleshooting skills, and the ability to work with tools such as Skybox and AlgoSec. Strong Excel skills and comfort working in structured corporate environments are essential.

• Hands-on experience with FortiGate, FortiManager, and Cisco ASA / Firepower firewalls
• Strong firewall troubleshooting and rule analysis skills
• Good understanding of TCP/IP, routing, switching, DNS, and basic networking concepts
• Experience working with Skybox and AlgoSec (added advantage)
• Strong proficiency in Microsoft Excel, including handling large datasets and validations
• Familiarity with enterprise change management and approval workflows
• Detail-oriented with strong documentation and communication skills
• Comfortable working in a structured corporate environment

• →Review and analyze external client IP address lists
• →Perform IP address triage across the firewall estate using tools such as Skybox, direct firewall access, and AlgoSec
• →Identify the associated Firewall Service Definition (FSD) for each IP and document firewall details, FSD numbers, and NAT addresses
• →Update and maintain tracking worksheets and progress trackers with accurate triage and FSD details
• →For FSDs onboarded to DigiFSD:
  • →Update existing firewall rules with SDS ID, ITSI, and related details
  • →Create new firewall rules where required and obtain approvals from CSO
• →For FSDs not onboarded to DigiFSD:
  • →Collect connectivity details and onboard TC02 connectivity into DigiFSD
  • →Upload firewall rules with SDS ID and secure CSO approval
• →Ensure all firewall changes follow defined change management and approval processes
• →Participate in weekly stakeholder calls and provide structured status updates
• →Maintain accurate documentation of firewall rules, configurations, and processes  

AppViewX caters to a wide range of customers from Fortune 1000 companies, including six of the top ten global commercial banks, five of the top ten global media companies, and five of the top ten managed healthcare providers. Over the years, we grew our diverse team, perfected our automation platform, and expanded our Global footprint to India, North America, United Kingdom and Australia. Today, we are headquartered in New York City and have come a long way by optimizing opportunities to create lasting relationships with enterprises, gaining unshakable customer trust along the way.

AppViewX is proud to be an Equal Employment Opportunity Employer. It is AppViewX’s policy to afford equal employment opportunities to all employees regardless of race, color, national origin, ancestry, religion, citizenship status, , gender, gender expression or identity, sexual orientation, age, marital status, military or veteran status, pregnancy, disability, genetic information, arrest record, or other protected class under state, federal, or local law.