Lead Network Security Engineer

7 days ago

Thiruvananthapuram, Kerala, India UST Full time ₹ 8,00,000 - ₹ 12,00,000 per year

Responsibilities:

  • Firewall Management: Configure, manage, and troubleshoot firewalls including policies, NAT, VPNs (IPSec/SSL), and threat prevention.

  • Network Infrastructure: Manage and maintain enterprise LAN/WAN infrastructure, including switching and routing (L2/L3), VLANs, STP, OSPF, BGP.

  • Wireless: Deploy and maintain enterprise wireless networks using Aruba, fortinet or similar platforms. Troubleshoot coverage and connectivity issues.

  • Load Balancing: Configure and manage load balancers for application availability, traffic distribution, and SSL offloading.

  • Proxy Management: Deploy and maintain proxy solutions for secure web access, URL filtering, and logging.

  • Security Operations:

Perform vulnerability assessments and ensure timely vulnerability fixes and patching of network and security devices.

Assist in security incident response, log analysis, and remediation.

  • Upgrades & Maintenance: Plan and execute firmware and software upgrades for network and security devices in compliance with change management processes.

  • Monitoring: Knowledge on network and security monitoring tools for real-time performance and ing.

  • ITSM Process Adherence:

Incident Management: Respond to and resolve network/security incidents promptly.

Problem Management: Conduct root cause analysis and apply permanent solutions.

Change Management: Follow formal change control procedures for all infrastructure changes.

  • Documentation: Maintain accurate documentation for network diagrams, device configurations, incidents, and changes.

Required Skills & Qualifications:

  • Experience in network and security operations.

  • Hands-on experience with Cisco and Fortinet firewall platforms.

  • Strong knowledge of switching, routing, and wireless networking.

  • Experience with cloud platform like AWS, OCI, etc

  • Experience with vulnerability management and security patching.

  • Familiar with ITIL/ITSM processes (incident, problem, change management).

  • Proficient with monitoring and logging tools.

  • Strong troubleshooting, analytical, and communication skills.

  • Preferred Certifications: CCNP, Fortinet NSE4, ITIL Foundation.

Required Skills

Cisco, Fortinet, switching, routing

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