Network Security Specialist

• Network Security Specialist
• Company: Niveshan Technologies India Private Limited
• Job Location: Chennai, Tamil Nadu, India
• Employment Type: Full-time
• Experience Required: 8 - 12 years
• 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 optionsDC 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. .