Senior Network Security Engineer

Waisl Ltd.; New Delhi; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Waisl Ltd. in Delhi is seeking a Senior Network Security Engineer with 7+ years of hands-on experience. You will design, deploy, and manage security architectures across on-prem, data center, and cloud environments, focusing on Fortinet and Check Point firewalls to ensure high availability and regulatory compliance.

The role involves leading firewall upgrades, policy optimization, and collaboration with SOC/NOC teams, while documenting configurations and procedures for operational excellence.

Qualifications

• 7+ years in enterprise network security engineering.
• Hands-on with Fortinet and Check Point firewalls.
• Experience across on-prem, data center, and cloud.
• Knowledge of security frameworks like ISO 27001, PCI-DSS, NIST.

Responsibilities

• Design, deploy, and manage network security architectures across on-prem, data center, and cloud.
• Configure and optimize Fortinet and Check Point firewalls.
• Implement security policies: NAT, VPN, IPS, Web Filtering, App Control.
• Lead firewall upgrades, migrations, HA implementations.
• Monitor security events and coordinate with SOC.
• Ensure compliance with ISO 27001, PCI-DSS, NIST.
• Provide L3/L4 support for complex issues.
• Document designs and procedures.

Skills

Fortinet

Check Point

Firewall Expertise

Network Security

VPN

NOC/SOC

ISO 27001

PCI-DSS

Threat Analysis

Tools

FortiGate

FortiManager

FortiAnalyzer

Check Point SmartConsole

Check Point Maestro

SIEM

Job description

Job Description

Job Title: Sr. Network Security Engineer

Location: DELHI

Experience: 5+ years in Network & Security Engineering

Job Type: Full-time

Job Summary:

We are seeking a highly skilled Senior Network Security Engineer with deep hands‑on experience in Fortinet and Check Point firewalls. The ideal candidate will be responsible for designing, implementing, managing, and optimizing enterprise‑grade network security solutions while ensuring high availability, performance, and compliance with security standards.

Key Responsibilities:

• Design, deploy, and manage network security architectures across on-prem, data center, and cloud environments.
• Configure, troubleshoot, and optimize Fortinet (FortiGate, FortiManager, FortiAnalyzer) and Check Point (R80+, SmartConsole, Maestro) firewalls.
• Implement and maintain security policies including NAT, VPN (Site-to-Site & Remote Access), IPS, Web Filtering, and Application Control.
• Perform firewall rule reviews, policy optimization, and risk assessments.
• Lead firewall upgrades, migrations, and high-availability (HA) implementations.
• Monitor security events and respond to incidents in coordination with SOC teams.
• Ensure compliance with security frameworks and regulatory requirements (ISO 27001, PCI-DSS, NIST, etc.).
• Provide L3/L4 support for complex network security issues.
• Collaborate with network, cloud, and application teams to integrate security best practices.
• Document designs, configurations, and operational procedures.

Required Skills & Qualifications:

• 7+ years of experience in Network Security of managing large-scale enterprise network infrastructures.
• Profound knowledge of network architecture and technology, including hands‑on experience with SD-WAN, MPLS, and other modern networking technologies.
• Extensive experience in managing both NOC and SOC environments.
• Strong knowledge of network infrastructures, protocols, and standards such as TCP/IP, DNS, DHCP, OSPF, BGP, etc.
• Strong hands‑on expertise with Fortinet and Check Point firewalls.
• In‑depth knowledge of TCP/IP, routing, switching, VLANs, BGP, OSPF.
• Experience with VPN technologies, SSL/IPSec.
• Knowledge of IDS/IPS, WAF, DLP, and network segmentation.
• Experience with firewall policy management, optimization, and troubleshooting.
• Familiarity with SIEM tools and log analysis.
• Strong understanding of cybersecurity threats and mitigation techniques.

Preferred Certifications:

• Fortinet NSE 4/5/7 or FCP/FCS
• Check Point CCSA / CCSE
• CISSP, CCNP Security (added advantage)