Firewall Engineer
Insight Global Technologies
All India, Chennai • 2 months ago
Experience: 4 to 8 Yrs
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Job Description
As a Firewall Engineer at our company, your role involves designing, implementing, optimizing, and troubleshooting firewall infrastructure, secure remote access solutions, routing/switching, and automation tooling to ensure a secure, resilient, and compliant network environment.
Key Responsibilities:
- Configure, harden, and manage the Fortinet stack (FortiGate, FortiManager, FortiAnalyzer).
- Create, review, and optimize firewall rules, NAT configurations, policies, and security objects.
- Design and maintain site-to-site and remote-access VPNs (IPSec/SSL) including Zscaler ZPA and FortiClient.
- Administer routers, switches, and wireless controllers; analyze traffic flows, ports, and protocols.
- Perform firewall policy audits and rule optimization to enforce least-privilege access and reduce redundancy.
- Utilize monitoring and policy tools such as SolarWinds, ThousandEyes, AlgoSec.
- Support automation initiatives using Terraform, GitHub, and APIs for standardized deployments.
- Troubleshoot L2/L3/L7 network issues; conduct RCA and implement corrective actions.
- Document configurations, standards, and operational playbooks.
- Collaborate with Security, Platform, and Compliance teams to maintain audit readiness.
Qualifications Required:
- Bachelor's degree in Computer Science, Engineering, Information Systems, or equivalent experience.
- 58 years of total experience, with 4+ years in networking/security operations.
- Strong hands-on expertise in FortiGate firewalls (FortiManager/FortiAnalyzer preferred).
- Deep understanding of IP networking, routing & switching, VPN technologies, and firewall concepts (rules, ports, NAT, objects).
- Experience with secure remote access solutions (Zscaler ZPA, FortiClient).
- Hands-on experience with monitoring & policy tools (SolarWinds, ThousandEyes, AlgoSec).
- Exposure to automation using Terraform and Git-based workflows.
- Strong troubleshooting, documentation, and security best practices knowledge.
Nice to Have:
- Experience with Palo Alto, Cisco ASA/Firepower, or Check Point firewalls.
- Exposure to SD-WAN, DNS/DHCP/IPAM (e.g., Infoblox).
- Knowledge of identity protocols (RADIUS, TACACS+).
- Relevant certifications (NSE 4/5/7, PCNSA, PCNSE). As a Firewall Engineer at our company, your role involves designing, implementing, optimizing, and troubleshooting firewall infrastructure, secure remote access solutions, routing/switching, and automation tooling to ensure a secure, resilient, and compliant network environment.
Key Responsibilities:
- Configure, harden, and manage the Fortinet stack (FortiGate, FortiManager, FortiAnalyzer).
- Create, review, and optimize firewall rules, NAT configurations, policies, and security objects.
- Design and maintain site-to-site and remote-access VPNs (IPSec/SSL) including Zscaler ZPA and FortiClient.
- Administer routers, switches, and wireless controllers; analyze traffic flows, ports, and protocols.
- Perform firewall policy audits and rule optimization to enforce least-privilege access and reduce redundancy.
- Utilize monitoring and policy tools such as SolarWinds, ThousandEyes, AlgoSec.
- Support automation initiatives using Terraform, GitHub, and APIs for standardized deployments.
- Troubleshoot L2/L3/L7 network issues; conduct RCA and implement corrective actions.
- Document configurations, standards, and operational playbooks.
- Collaborate with Security, Platform, and Compliance teams to maintain audit readiness.
Qualifications Required:
- Bachelor's degree in Computer Science, Engineering, Information Systems, or equivalent experience.
- 58 years of total experience, with 4+ years in networking/security operations.
- Strong hands-on expertise in FortiGate firewalls (FortiManager/FortiAnalyzer preferred).
- Deep understanding of IP networking, routing & switching, VPN technologies, and firewall concepts (rules, ports, NAT, objects).
- Experience with secure remote access solutions (Zscaler ZPA, FortiClient).
- Hands-on experience with monitoring & policy tools (SolarWinds, ThousandEyes, AlgoSec).
- Exposure to automation using Terraform and Git-based workflows.
- Strong troubleshooting, documentation, and security best practices knowledge.
Nice to Have:
- Experience with Palo Alto, Cisco ASA/Firepower, or Check Point firewalls.
- Exposure to SD-WAN, DNS/DHCP/IPAM (e.g., Infoblox).
- Knowledge of identity protocols (RADIUS, TACACS+).
- Relevant certifications (NSE 4/5/7, PCNSA, PCNSE).
Skills Required
IPSec
SSL
AlgoSec
GitHub
APIs
RCA
Computer Science
Engineering
Information Systems
IP networking
NAT
objects
Fortinet Security Fabric
VPN technologies
firewall policy management
Zscaler ZPA
FortiClient
routing switching
automation tooling
SolarWinds
ThousandEyes
Terraform
L2L3L7 network issues
security best practices
Posted on: March 5, 2026
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