Network Security Engineer

Job Position : Network Security Engineer

Exp-Range-10-15Years

Required Tech stack :Network Security, Fortigate ,Fortinet, Checkpoint,

Interview Date :14-Aug-26

Interview mode :Virtual

Venue : Kolkata

Must Have :

• Min 10 years of experience in managing and supporting enterprise network security infrastructure for large-scale environments.
• Administered and maintained Check Point Virtual Firewalls, including policy creation, rule optimization, NAT configuration, VPN management, threat prevention, and access control implementation.
• Managed Fortinet firewall environments utilizing FortiManager and FortiAnalyzer for centralized policy management, log analysis, monitoring, and reporting.
• Designed, configured, and supported Cisco ASA Site-to-Site and Remote Access VPN solutions to provide secure connectivity for business-critical applications and remote users.
• Performed complex Layer 2 and Layer 3 network troubleshooting, diagnosing connectivity, routing, and security-related issues across enterprise networks.
• Conducted packet-level analysis using Wireshark and TCPDump to identify network anomalies, security incidents, and performance bottlenecks.
• Implemented and maintained firewall security policies in accordance with organizational security standards and compliance requirements.
• Supported DNS, DHCP, and IP Address Management (IPAM) services through Infoblox platforms.
• Utilized Linux/Unix command-line utilities for system administration, troubleshooting, automation, and log analysis.
• Led security incident investigations, root cause analysis, and remediation activities to minimize operational impact and improve security posture.
• Collaborated with infrastructure, cloud, security, and application teams to implement secure network architecture and firewall rule reviews.
• Managed change requests, production deployments, maintenance activities, and risk assessments following ITIL best practices.
• Ensured high availability, disaster recovery readiness, and operational excellence for network security infrastructure.
• Created technical documentation, SOPs, network diagrams, and knowledge base articles to support operational teams and business stakeholders.
• Mentored junior engineers and provided technical guidance on firewall technologies, VPN configurations, and network security best practices.