Network Security Specialist

Niveshan Technologies India Private Limited; Chennai; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Niveshan Technologies India Private Limited is seeking a Network Security Specialist to lead deployment projects and secure enterprise networks. You will work across SD-WAN, firewalls, VPNs, and security tooling to protect systems and data.

The role requires hands-on experience with multiple OEM devices, vulnerability assessments, and collaboration with IT teams during migrations and upgrades.

Qualifications

• Extensive experience in network security implementation and maintenance.
• Proficiency in SD-WAN, LAN segmentation, and firewall technologies.
• Strong understanding of VPNs, security policies, and incident response.

Responsibilities

• Plan and lead deployment and security projects with schedules and resources.
• Configure and harden firewalls, routers, and switches across OEM platforms.
• Perform VA/PT and coordinate with audits to ensure compliance.
• Analyze performance metrics and implement improvements for security and reliability.
• Manage Network Management Systems and oversee IT infrastructure projects.
• Collaborate with IT teams and vendors to scope upgrades and migrations.

Skills

Network security

SD-WAN & firewall

VPN & policies

Troubleshooting

Vendor coordination

Education

CISSP/CCNP Security (desirable)

Tools

Cisco

Fortinet

Palo Alto

Juniper SRX

Cisco Meraki

Job description

• Plan and lead the execution of comprehensive deployment plans, including work planning, scheduling, metrics, training, pilots, and resource allocation.
• Collaborate with project teams to ensure alignment between deployment-related activities and project objectives.
• Utilize advanced knowledge and troubleshooting skills in SD-WAN, LAN segmentation, switches, wireless access points, wireless controllers, routers, firewalls of different OEMs (Fortinet, Palo Alto, Cisco, Juniper SRX, Cisco Meraki), and Next Generation Firewall technologies.
• Design and implement security policies using Next Generation Firewall technologies to enhance network security.
• Engineer, implement, and monitor security measures for the protection of computer systems, networks, data, and information using tools such as Crowdstrike, Zscaler, Seclore, Titus, and PAM (Beyond Trust).
• Configure IPsec VPN tunnels and SSL remote VPNs, and troubleshoot network issues or outages.
• Analyze network performance metrics and recommend enhancements to improve efficiency.
• Maintain the design of LAN/WAN including protocols and routing, and configure network devices (Cisco routers, switches) in coordination with system/network administrators during implementation.
• Perform vulnerability assessments and penetration testing (VA/PT) with internal and external audits.
• Configure and manage Network Management Systems (NMS).
• Oversee and determine timeframes for major IT projects including updates, upgrades, migrations, and outages.
• Prepare manuals, guides, or documents for Standard Operating Procedures (SOPs).
• Harden firewall, router, switches, and load balancers to enhance security.
• Coordinate with vendors for network upgrades and solutions for new services.
• Managing multiple concurrent IT Infrastructure related projects
• Evaluating and implementing On Premise, Cloud and Virtualization options
• DC Built and End to End Migration Activities.
• Development and execution of cybersecurity remediation plans and technology
• Collaborates with areas across campus and with other IT teams
• Contributes to technical feasibility in development of strategic plans
• Gather functional business requirements
• Ensuring the transfer of functional and system implementation and operations knowledge from the Integrator / Vendor
• Setting up end to end DC Infrastructure.
• Required to attend the meetings and understand customer requirements and provide consultation for the products offered.
• Creating network design and architecture after getting requirements and discuss with Clients
• Better understanding of Infrastructure designing and have to be good at giving Demos or Proof of Concepts.

Experience

8-12 years

Job Type

Full Time

Job Location

Delhi/Chennai

JOB Description

Profile : Network Security Specialist

Key Responsibilities

• Plan and lead the execution of comprehensive deployment plans, including work planning, scheduling, metrics, training, pilots, and resource allocation.
• Collaborate with project teams to ensure alignment between deployment-related activities and project objectives.
• Utilize advanced knowledge and troubleshooting skills in SD-WAN, LAN segmentation, switches, wireless access points, wireless controllers, routers, firewalls of different OEMs (Fortinet, Palo Alto, Cisco, Juniper SRX, Cisco Meraki), and Next Generation Firewall technologies.
• Design and implement security policies using Next Generation Firewall technologies to enhance network security.
• Engineer, implement, and monitor security measures for the protection of computer systems, networks, data, and information using tools such as Crowdstrike, Zscaler, Seclore, Titus, and PAM (Beyond Trust).
• Configure IPsec VPN tunnels and SSL remote VPNs, and troubleshoot network issues or outages.
• Analyze network performance metrics and recommend enhancements to improve efficiency.
• Maintain the design of LAN/WAN including protocols and routing, and configure network devices (Cisco routers, switches) in coordination with system/network administrators during implementation.
• Perform vulnerability assessments and penetration testing (VA/PT) with internal and external audits.
• Configure and manage Network Management Systems (NMS).
• Oversee and determine timeframes for major IT projects including updates, upgrades, migrations, and outages.
• Prepare manuals, guides, or documents for Standard Operating Procedures (SOPs).
• Harden firewall, router, switches, and load balancers to enhance security.
• Coordinate with vendors for network upgrades and solutions for new services.
• Managing multiple concurrent IT Infrastructure related projects
• Evaluating and implementing On Premise, Cloud and Virtualization options
• DC Built and End to End Migration Activities.
• Development and execution of cybersecurity remediation plans and technology
• Collaborates with areas across campus and with other IT teams
• Contributes to technical feasibility in development of strategic plans
• Gather functional business requirements
• Ensuring the transfer of functional and system implementation and operations knowledge from the Integrator / Vendor
• Setting up end to end DC Infrastructure.
• Required to attend the meetings and understand customer requirements and provide consultation for the products offered.
• Creating network design and architecture after getting requirements and discuss with Clients
• Better understanding of Infrastructure designing and have to be good at giving Demos or Proof of Concepts.

Qualifications

• Extensive experience in network security implementation and maintenance.
• Proficiency in SD-WAN, LAN segmentation, Cisco switches, wireless technologies, firewalls (Fortinet, Palo Alto, Cisco, Juniper SRX, Cisco Meraki), and Next Generation Firewall technologies.
• Strong understanding of IPsec VPN, SSL remote VPN, and network protocols.
• Experience with vulnerability assessments, penetration testing, and security policy implementation.
• Advanced knowledge of Network Management Systems (NMS) and network monitoring tools.
• Excellent troubleshooting skills and ability to analyse network performance metrics.
• Certifications such as CISSP, CCNP Security, or equivalent are highly desirable.