Role Summary

As a network /Security engineer, you provide advanced technical support for network & security related issues. This role requires in-depth knowledge of network infrastructure security troubleshooting, and problem-solving skills. The L2 Network Engineer will work closely with customer to Implement recent projects requirement, diagnose, troubleshoot, and resolve complex network problems.

Key Responsibilities
Provide technical support for network-related issues, including but not limited to:
Routing and switching protocols (e.g., OSPF, BGP, VLANs)
Network security (firewalls, VPNs)( Fortigate,Cisco,Sonicwall,Palo Alto,Fortimail)
Network performance monitoring and optimization (SolarWinds , Cisco Prime, WhatsApp Gold)
LAN/WAN connectivity issues
Implement enterprise communication systems Cisco /AVAYA (VoIP, video conferencing, collaboration tools).
Design and implement robust LAN, WAN, and wireless networks. (Cisco, ARUBA, Huawei, Juniper)
Design and implement NGFW including Palo Alto, Checkpoint, SonicWall & Fortinet Firewalls.




Design and implementation of Aruba ClearPass and Cisco ISE.
Lead network upgrades, migrations, and expansion activities with minimal downtime.
Simulate critical scenarios in test labs for problem-solving and compatibility checks.
Configure and support WAF, Load Balance, Email Security and WSA.
Implement security protocols, network segmentation, and policy-based routing (PBR).
Troubleshoot and resolve complex network problems through remote access tools and onsite
Escalate critical issues to higher-level support when necessary.
Document and track incidents and resolutions in the ticketing system.
Maintain and update knowledge base articles and FAQs.
Participate in on-call rotation for after-hours support.
Prepare all project related documentation (HDL/LLD/Scope of work /Signoff ).
Provide Pre-sale assistance to sales team as when necessary.

Qualifications
Bachelor's degree in Computer Science

📌 Network And Security Engineer Ernakulam
🏢 Crescentia Infotech
📍 Ernakulam