Sr. Network engineer /Architect :: Contract :: Chennai :: Face to face interview

Role: Sr. Network engineer /Architect Location: Chennai Onsite Contract In person Interview Key Responsibilitie sNetwork Security Operation s• Provide L3/L4 support for complex network and security incident s• Perform advanced troubleshooting for LAN, WAN, wireless, and security issue s• Lead major incident management (MIM) and ensure timely resolutio n• Perform Root Cause Analysis (RCA) and preventive action sDesign & Implementatio n• Design and implement enterprise network architecture s• Deploy and manage SD-WAN solutions (Fortinet / Meraki )• Configure high availability (HA), redundancy, and failover mechanism s• Support network transformation and modernization initiative s Firewall & Security Managemen t• Manage firewall rule lifecycle (creation, review, optimization )Configure and maintain :o IPS/IDS policie so NAT rule so Threat protection policie s• Ensure compliance with enterprise security standard sVPN & Connectivit y• Configure and troubleshoot :o Site-to-Site VPN (IPSec )o Remote Access VPN / SSL VP N• Optimize connectivity across global location s Wireless & Campus Network s• Support Cisco and Meraki wireless solutions (MR / WLC )• Perform wireless optimization, RF tuning, and troubleshootin gChange & Governanc e• Handle change management activities (CAB, risk assessment )• Maintain technical documentation, SOPs, and architecture diagram s• Ensure adherence to ITIL processe s Mentorship & Leadershi p• Mentor and guide L1/L2 engineer s• Act as technical SME for network/security escalation s• Work closely with architects, vendors, and stakeholder sKey Technical Skill sFortine t• FortiGate (Firewall & SD-WAN )• FortiManager (Centralized management )• FortiAnalyzer (Logging & analytics )• FortiSwitch & FortiA PCisc o• L2/L3 Switching (VLAN, STP, EtherChannel )• Routing protocols (OSPF, BGP )• Wireless (Cisco WLC / APs )• QoS, High Availability (HSRP/VRRP )Merak i• MX (Security & SD-WAN )• MS (Switching )• MR (Wireless )• Dashboard management, AutoVP NCore Competencie s• SDWAN Architecture & Deploymen t• Firewall & Security Policy Desig n• IPS/IDS, NAT, VP N• Network Performance Optimizatio n• Incident & Problem Managemen tPreferred Certification s• Fortinet: NSE 5 / NSE 6 / NSE 7• Cisco: CCNP / CCI E• Meraki: CMNA / CMN O