One Month Contract position /n Contract will be extended based on requirement. /n /n Experience : 8+ years /n /n Key Responsibilities: /n /n /n

- Review and validate HLD, LLD, network architecture and security designs.

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- Provide technical leadership for enterprise LAN, WAN, WLAN, SD-WAN and network securityimplementations.

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- Design and validate FortiGate firewall, HA, SD-WAN, VPN, NAT and security policies.

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- Provide architecture and implementation guidance for enterprise switching and wireless infrastructure.

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- Design and validate VLAN, IP addressing, routing, segmentation and access-control architecture.

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- Guide implementation of static routing, BGP, OSPF and other routing protocols as applicable.

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- Design and validate WAN redundancy, ISP failover and SD-WAN path selection.

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- Provide guidance for IPsec VPN and inter-site connectivity.

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- Ensure appropriate network segmentation and security controls between users, servers, guest, IoT, management and other network segments.

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- Review and guide AAA, RADIUS/TACACS+, DNS, DHCP, NTP, SNMP and Syslog integration.

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- Ensure integration with NMS, monitoring, logging and configuration-backup platforms.

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- Provide technical guidance for high availability, redundancy and disaster-recovery connectivity.

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- Review configuration templates and provide implementation guidance to network engineers.

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- Lead troubleshooting of complex network, firewall, routing, SD-WAN and connectivity issues.

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- Conduct technical reviews during Day-0, Day-1 and Day-2 implementation activities.

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- Define and review implementation plans, MOPs, test plans and rollback procedures.

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- Lead technical validation and UAT/acceptance testing.

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- Validate failover, redundancy, connectivity, segmentation and security-policy functionality.

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- Review post-implementation configurations against approved design.

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- Ensure as-built documentation and configuration records are complete and accurate.

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- Conduct knowledge transfer to NOC/operations and implementation teams.

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- Provide technical recommendations, risk identification and remediation plans throughout the project lifecycle.

/n /n Technical Skills /n /n

- FortiGate / FortiOS

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- FortiGate HA and SD-WAN

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- IPsec VPN

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- Firewall policies and NAT

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- Enterprise LAN/WAN architecture

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- Aruba/Cisco switching

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- Enterprise WLAN

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- VLAN and network segmentation

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- BGP / OSPF / Static Routing

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- ISP/WAN technologies

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- Network monitoring and management

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- SNMP / Syslog

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- RADIUS / TACACS+

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- DNS / DHCP / NTP

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- High Availability and DR

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- Network security architecture

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- Network troubleshooting

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- Network documentation and technical governance

/n /n Experience & Qualifications /n /n

- 8+ years of experience in enterprise networking and network security.

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- Strong experience in Network Security Architecture and implementation.

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- Hands-on experience with FortiGate and enterprise networking technologies.

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- Experience working on large-scale, multi-site or greenfield infrastructure projects.

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- Strong understanding of network security, routing, switching, SD-WAN and WLAN.

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- Experience leading or guiding implementation engineers.

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- Strong troubleshooting and analytical skills.

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- Ability to review technical designs and make independent architecture decisions.

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- Good understanding of change management, implementation methodology and operational handover.

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- Robust communication, documentation and stakeholder-management skills.

/n /n Key Deliverables /n /n

- Architecture and design review

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- Network/security implementation guidance

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- Configuration templates and technical standards

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- Firewall and SD-WAN design validation

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- Implementation/MOP review

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- Test plan and acceptance validation

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- HA/failover validation

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- Troubleshooting and technical issue resolution

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- As-built documentation

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- Operational runbooks

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- Knowledge-transfer sessions

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- Final technical handover

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📌 Network Security Engineer (Coimbatore)
🏢 TECEZE
📍 Coimbatore