Network Security Specialist

Niveshan Technologies India Private Limited; India; On-site; INR 1,000,000 - 1,400,000; Full time

Job summary

A leading IT service provider in India is seeking a Network Security Specialist with 8-12 years of experience. The role includes leading deployment plans, ensuring project alignment, and implementing security policies using advanced technologies. Candidates should possess proficiency in SD-WAN, LAN segmentation, and various firewall technologies. This full-time position offers the opportunity to work with a dynamic IT team and contribute to multiple infrastructure projects.

Qualifications

• Extensive experience in network security implementation and maintenance.
• Proficiency in SD-WAN, LAN segmentation, and Cisco switches.
• Strong understanding of IPsec VPN and SSL remote VPN.

Responsibilities

• Plan and lead deployment plans for network security.
• Collaborate with project teams to align activities and objectives.
• Implement security policies to enhance network security.

Skills

Network security implementation

SD-WAN

LAN segmentation

Cisco switches

Firewall technologies

VPN expertise

Vulnerability assessments

Penetration testing

Network Management Systems

Troubleshooting skills

Education

Certifications such as CISSP, CCNP Security

Tools

Crowdstrike

Zscaler

Seclore

Titus

Beyond Trust

Job description

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Experience: 8-12 years

Job Type: Full Time

Job Location: Delhi/Chennai

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.
• Manage multiple concurrent IT Infrastructure related projects.
• Evaluate and implement On Premise, Cloud and Virtualization options.
• Build and execute End to End DC Migration Activities.
• Develop and execute cybersecurity remediation plans and technology initiatives.
• Collaborate with areas across campus and other IT teams.
• Contribute to technical feasibility in development of strategic plans.
• Gather functional business requirements.
• Ensure transfer of functional and system implementation and operations knowledge from the Integrator / Vendor.
• Set up end to end DC Infrastructure.
• Attend meetings, understand customer requirements and provide consultation for offered products.
• Create network design and architecture after receiving requirements and discuss with clients.
• Demonstrate infrastructure design and delivery of 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 analyze network performance metrics.
• Certifications such as CISSP, CCNP Security, or equivalent are highly desirable.

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Information Technology

Industries: IT Services and IT Consulting

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