Network Security Engineer

Immunity Networks & Technologies Pvt. Ltd.; Mumbai; On-site; INR 391,000 - 558,000; Full time

Benefits offered by this job

Competitive salary

Annual bonus

Salary reviews

Paid sick leave

Paid annual leave

Public holidays

Networking training

Career growth

Job summary

Immunity Networks & Technologies Pvt. Ltd. in Mumbai is seeking a Network Security Engineer with hands-on firewall experience to safeguard enterprise networks. The role is full-time and based in India.

You will monitor security events, configure Check Point, FortiGate, and Palo Alto devices, and ensure high availability of critical services. This position offers a competitive salary and opportunities for professional growth.

Qualifications

• 3–7 years of relevant experience in network security.
• Hands-on experience with enterprise firewalls (Check Point, FortiGate, Palo Alto).
• Strong knowledge of TCP/IP networking and security best practices.

Responsibilities

• Monitor network performance and security events to ensure system availability.
• Configure, maintain, and troubleshoot Check Point, FortiGate, and Palo Alto firewalls.
• Handle support tickets and ensure SLA compliance.
• Investigate and resolve network connectivity and security issues.
• Support LAN/WAN operations, VPNs, VLANs, and enterprise routing environments.
• Assist in implementing firewall policies, NAT rules, and access controls.
• Document incidents, troubleshooting procedures, and resolutions.
• Provide technical support to internal and external stakeholders.
• Ensure network uptime, operational efficiency, and security compliance.

Skills

TCP/IP

DNS

DHCP

VPN

VLAN

Routing protocols

Security tools

Education

Bachelor's degree in CS/IT

Tools

Check Point

FortiGate

Palo Alto

Security appliances

Job description

Full time | Immunity Networks & Technologies Pvt. Ltd. | India

Posted On 08/30/2026

Job Information

Department Name Tech Support

Work Experience 3 -7 years

IT Services

35000-50000

City Mumbai

State/Province Maharashtra

400072

Job Description

Immunity Networks & Technologies Pvt. Ltd. (https://immunitynetworks.com/ ) is looking for a Network Security Engineer with hands-on experience in enterprise firewalls, including Check Point, FortiGate, and Palo Alto solutions. The candidate will monitor network and security infrastructure, troubleshoot incidents, implement security policies, and ensure high availability of critical network services.

Requirements

Key Responsibilities

• Monitor network performance and security events to ensure system availability.
• Configure, maintain, and troubleshoot Check Point, FortiGate, and Palo Alto firewalls.
• Handle support tickets and ensure SLA compliance.
• Investigate and resolve network connectivity and security issues.
• Support LAN/WAN operations, VPNs, VLANs, and enterprise routing environments.
• Assist in implementing firewall policies, NAT rules, and access controls.
• Document incidents, troubleshooting procedures, and resolutions.
• Provide technical support to internal and external stakeholders.
• Ensure network uptime, operational efficiency, and security compliance.

Technical Skills

• Strong understanding of TCP/IP, DNS, DHCP, VPN, VLAN, and routing protocols.
• Knowledge of LAN/WAN technologies and enterprise networking.
• Experience with routers, switches, and security appliances.
• Familiarity with network monitoring and security tools.
• Basic understanding of cybersecurity principles and firewall management.

• Competitive salary package
• Performance-based incentives or annual bonus
• Annual salary review
• Paid sick leave
• Paid annual leave
• Public holidays
• Training on networking technologies
• Career growth opportunities to L2 / L3 Network Engineer