Network Security Engineer

HTC Global Services; Chennai; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

HTC Global Services seeks a Network Security Engineer with 5–8 years of hands-on experience to manage and secure enterprise networks. You will work with Palo Alto, Cisco ASA, Meraki, and Cloudflare WAF while ensuring performance, availability, and robust security controls across LAN/WAN environments.

The role requires independent contribution, strong analytical skills, and the ability to troubleshoot complex security and connectivity issues, including VPNs and NAT configurations.

Qualifications

• 5–8 years of experience in network engineering.
• Minimum 3+ years managing network security using Palo Alto and Cisco ASA.
• Strong experience with Cisco LAN, WAN, and Meraki environments (≥3 years).
• Deep understanding of routing protocols such as BGP and EIGRP.
• Strong troubleshooting and analytical skills in networking and security.
• Ability to work independently with minimal supervision.

Responsibilities

• Maintain and secure network infrastructure including Palo Alto, Cisco ASA firewalls, and VPNs.
• Configure and monitor Cloudflare WAF rules, rate limits, and security policies.
• Design, implement, and support Cisco-based LAN, WAN, and Meraki environments; ensure high availability.
• Manage routing protocols such as BGP and EIGRP; perform routing optimization.

Skills

Network security

Routing & Switching

Independent contributor

Troubleshooting

Security policy design

Tools

Palo Alto firewalls

Cisco ASA

Cisco Meraki

Cloudflare WAF

Job description

Job Description:

About the Role:

We are seeking a skilled Network Security Engineer with 5 years to 8 years of strong expertise in network security, routing, and enterprise network infrastructure. The ideal candidate will have hands‑on experience with Palo Alto, Cisco ASA, and Cisco networking technologies. This role requires an independent contributor who can effectively manage tasks and ensure secure, reliable network operations.

Requirements:

Network Security:

• Manage and maintain network security infrastructure including Palo Alto and Cisco ASA firewalls.
• Implement and monitor security policies, firewall rules, NAT configurations, and VPNs.
• Troubleshoot and resolve complex security and connectivity issues.
• Ensure compliance with security standards and best practices.

Web Application Security:

• Hands‑on experience with Cloudflare Web Application Firewall (WAF) solutions for protecting applications against threats, including DDoS attacks and bot traffic.
• Configure WAF rules, rate limiting, and security policies to enhance application security and optimize performance.

Network Infrastructure:

• Design, implement, and support Cisco-based LAN, WAN, and Meraki environments.
• Manage switching, wireless, and WAN connectivity across enterprise networks.
• Monitor network performance and ensure high availability and reliability.
• Routing & Switching
• Configure, manage, and troubleshoot dynamic routing protocols including BGP and EIGRP.
• Perform routing optimization and traffic engineering for improved performance.

Required Skills & Experience:

• 5 years to 8 years of experience in network engineering.
• Minimum 3+ years of experience managing network security using Palo Alto and Cisco ASA.
• Strong experience with Cisco LAN, WAN, and Meraki environments (minimum 3 years).
• Deep understanding of routing protocols such as BGP and EIGRP.
• Strong troubleshooting and analytical skills in networking and security domains.
• Ability to work independently and manage tasks with minimal supervision.

Preferred Qualifications:

• Relevant certifications such as CCNA, CCNP, or Palo Alto certifications.
• Experience with network monitoring and logging tools.
• Exposure to cloud networking is a plus.

Soft Skills:

• Self‑motivated and capable of working as an individual contributor.
• Strong problem‑solving and decision‑making skills.
• Good communication and documentation abilities.

PLUS - Desired to have: Cloudflare WAF experience