Senior Network and Security Engineer

NEC Corporation India Pvt. Ltd.; Dadri; On-site; INR 1,400,000 - 2,300,000; Full time

Job summary

NEC Corporation of India Ltd. is seeking a Technical Lead - FTE to join its Network & Security Engineering team in Noida.

You will manage and deploy enterprise network and security infrastructure, focusing on Fortinet FortiGate firewalls, VPNs, routing, switching and data center operations. The role requires hands-on experience with firewall policies, NIC/SFP issues, network monitoring, ITSM tools (Infraon), and coordinating with OEMs for complex issue resolution.

Qualifications

• Hands‑on FortiGate firewall administration and troubleshooting.
• Strong knowledge of firewall policies, NAT, routing and VPN.
• Good understanding of Layer 2/3 networking, VLANs and switching.
• Experience in data center infrastructure operations and monitoring.
• Experience with ITSM tools and coordinating with OEMs.

Responsibilities

• Manage and maintain enterprise network and security infra across locations.
• Configure and troubleshoot Fortinet FortiGate Firewalls and VPN connectivity.
• Manage firewall policies, NAT, routing and security profiles.
• Perform L1/L2/L3 troubleshooting for network and security issues.
• Support new site deployments, topology documentation and audits.

Skills

FortiGate firewall

Firewall policies

L2/L3 networking

Data center ops

VPN troubleshooting

ITSM tools

Site deployment

SOC basics

Network topology docs

OEM coordination

Education

B.Tech / B.E. in CS/IT/Electronics/Telecom

Tools

Fortinet FortiGate

FortiAnalyzer

FortiSandbox

Infraon

Job description

Job Title

Technical Lead - FTE Job Title: Sr. Network & Security Engineer Organization Name: NEC Corporation of India Ltd. Reporting Relationship: Manager

Role Summary

We are looking for a Network & Security Engineer who can work with NECI and contribute to the management, administration, monitoring, troubleshooting, and deployment of enterprise network and security infrastructure. The role requires strong hands‑on experience in Fortinet Firewall, switching, routing, VPN, data center networking, network monitoring, security operations, and L1/L2/L3 troubleshooting. The candidate will work closely with internal teams, OEMs, and project stakeholders to ensure secure, stable, and highly available network infrastructure.

Must-have Skills

• Hands‑on experience in Fortinet FortiGate Firewall administration and troubleshooting.
• Strong knowledge of Firewall Policies, NAT, Routing, Security Profiles, IPSec and SSL VPN .
• Good understanding of Layer 2/Layer 3 networking, VLAN, Trunking, Routing and Switching .
• Experience in network and data center infrastructure operations .
• Experience in troubleshooting network connectivity, firewall, VPN, switching, routing, SFP and interface‑related issues.
• Experience with network monitoring and ITSM tools , preferably Infraon.
• Experience in new‑site network deployment , including firewall, switch, wireless and connectivity configuration.
• Knowledge of network security monitoring, SOC incidents, DLP and basic SIEM operations .
• Experience in preparing and maintaining network topology, architecture and infrastructure documentation.
• Ability to coordinate with OEM/vendor support teams for resolution of complex technical issues.

Good‑to‑have Skills

• Knowledge of FortiAnalyzer and FortiSandbox .
• Knowledge of Cisco Duo and MFA‑based administrative access .
• Experience with Dell, Arista or other enterprise/data center switches .
• Knowledge of ISMS and information security audit requirements .
• Experience in data center passive connectivity, inter‑rack cabling and MPO connectivity.
• Fortinet NSE/NTA/FortiGate Operator certifications.
• CCNA or equivalent networking knowledge.
• Basic knowledge of SIEM, DLP and security incident management.

Responsibilities

• Manage and maintain enterprise network and security infrastructure across multiple locations.
• Configure, administer and troubleshoot Fortinet FortiGate Firewalls .
• Configure and troubleshoot firewall policies, NAT, routing, security profiles and VPN connectivity.
• Manage IPSec and SSL VPN , including user creation, access provisioning and troubleshooting.
• Perform L1/L2/L3 troubleshooting for network, firewall, VPN, routing and switching issues.
• Configure and troubleshoot VLANs, trunk ports, MAC address issues, SFPs and Layer 2/Layer 3 connectivity.
• Support data center network operations, including firewalls, ToR switches and passive network infrastructure.
• Perform network monitoring and proactively identify network and security issues.
• Handle incidents and service requests through the ITSM platform and ensure timely resolution within defined SLAs.
• Support new network site deployments including planning, configuration, connectivity testing and commissioning.
• Prepare and maintain network topology, architecture, configuration and operational documentation.
• Support network migrations and implementation activities with proper testing and rollback procedures.
• Monitor and investigate security alerts, SOC advisories and network security incidents.
• Support DLP monitoring and security controls to identify and prevent unauthorized data movement.
• Support ISMS and internal/external security audits by providing required technical documentation and evidence.
• Coordinate with OEMs such as Fortinet, Arista and other technology partners for technical troubleshooting and issue resolution.
• Maintain network device inventory and infrastructure records.
• Support secure administrative access through MFA/Cisco Duo and other security controls.
• Collaborate with project, operations, security and customer teams for smooth network operations.
• Ensure network availability, performance, security and compliance across project locations.

Prerequisites

• Qualification: B.Tech / B.E. in Computer Science, Information Technology, Electronics, Telecommunications or related field.
• Experience: 3–5 years’ relevant experience in Network & Security Engineering, Enterprise Networking and Data Center Operations . Hands‑on experience with Fortinet FortiGate Firewall is mandatory. Good understanding of TCP/IP, routing, switching, VLANs, VPN and network security. Good communication, troubleshooting, documentation and coordination skills. Willingness to work in a project/data‑center environment and support critical incidents when required.

Location

::Noida

Specialization Description

Responsible for providing day‑to‑day technical support to employees for a range of hardware and software related systems. Responds to and diagnoses problems through discussion with users, which includes trouble shooting, fault rectification and problem escalation. Provides effective and timely resolution of users’ problems, queries or complaints. Assists in hardware and software evaluation and recommends upgrades or improvements to IT infrastructure.

Level Description

Entry to developing level professional with little or no prior experience required. Applies a broad theoretical job knowledge typically obtained through advanced education. Work is closely supervised. Works to deliver day‑to‑day objectives with limited impact on achievement of results for the job area. Explains facts, policies and practices related to job area. Problems faced are not typically difficult or complex.

About NEC

Headquartered in Japan, NEC is a leader in the integration of IT and network technologies. With over 123 years of expertise in providing solutions for empowering people, businesses, and society, NEC stands tall as a champion in enabling change and transformation across the globe. Present in India since 1950, NEC has been instrumental in burgeoning India’s digitization journey continually for the past 70 years. NEC India has proved its commitment to orchestrating a bright future through its diverse businesses from Telecommunications to Public Safety, Logistics, Transportation, Retail, Finance, Unified Communication and IT platforms , serving across the public and private sectors. NEC India, through the deployment of cutting‑edge technology, has been powering India in seminal ways, making lives easier, safer, and more productive for all. With its Centre of Excellence for verticals like Analytics platform solutions, Big Data, Biometrics, Mobile and Retail , NEC India brings to the table, innovative, seamless solutions for India and across the world. NEC India is headquartered in New Delhi and has its offices panned across the country. It has branches in Ahmedabad, Bengaluru, Chennai, Mumbai, Noida and Surat. Specialties: IT & Networking Solutions, Unified Communication Solutions, Safety and Security Solutions, Integrated Retail Solutions, Data Centre Solutions, Safe and Smart City Solutions, Transportation Solutions, SDN Solutions, Carrier Telecom Solutions, and Solutions for Society.

NEC Career Site

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