One Month Contract position
Contract will be extended based on requirement.

Experience : 8+ years

Key Responsibilities:

Review and validate

HLD, LLD, network architecture and security designs .
Provide technical leadership for enterprise

LAN, WAN, WLAN, SD-WAN and network security implementations.
Design and validate

FortiGate firewall, HA, SD-WAN, VPN, NAT and security policies .
Provide architecture and implementation guidance for

enterprise switching and wireless infrastructure .
Design and validate

VLAN, IP addressing, routing, segmentation and access-control architecture .
Guide implementation of

static routing, BGP, OSPF and other routing protocols

as applicable.
Design and validate

WAN redundancy, ISP failover and SD-WAN path selection .
Provide guidance for

IPsec VPN and inter-site connectivity .
Ensure appropriate

network segmentation and security controls

between users, servers, guest, IoT, management and other network segments.
Review and guide

AAA, RADIUS/TACACS+, DNS, DHCP, NTP, SNMP and Syslog

integration.
Ensure integration with

NMS,



monitoring, logging and configuration-backup platforms .
Provide technical guidance for

high availability, redundancy and disaster-recovery connectivity .
Review configuration templates and provide implementation guidance to network engineers.
Lead troubleshooting of complex

network, firewall, routing, SD-WAN and connectivity issues .
Conduct technical reviews during

Day-0, Day-1 and Day-2 implementation activities .
Define and review

implementation plans, MOPs, test plans and rollback procedures .
Lead technical validation and

UAT/acceptance testing .
Validate failover, redundancy, connectivity, segmentation and security-policy functionality.
Review post-implementation configurations against approved design.
Ensure

as-built documentation and configuration records

are complete and accurate.
Conduct

knowledge transfer

to NOC/operations and implementation teams.
Provide technical recommendations, r

📌 Network Security Engineer (Chennai)
🏢 TECEZE
📍 Chennai