L2 / L3 Network Security Engineer

Role : L2 / L3 Network Security Engineer (5-10 Years)

Location : Chennai

Experience : 5-10 years

Job Summary :

We are seeking a skilled L2 / L3 Network Security Engineer with hands-on experience in network & security infrastructure operations. The role will focus on daily support, troubleshooting, and implementation of security controls across firewalls, routers, switches, load balancers, and wireless systems in a banking environment.

Key Responsibilities :

• Design and implement secure network architectures for banking systems across LAN, WAN, DC / DR, and Cloud.
• Provide L3 / L4 escalation support and act as technical authority for complex incidents.
• Lead incident response for network security breaches, including RCA and permanent fixes.
• Define, enforce, and continuously improve network security policies aligned with RBI, PCI DSS, ISO27001, ITIL.
• Act as bank SPOC for DCDR migrations, ensuring high availability and resilience.
• Conduct regular architecture reviews, vendor meetings, and audits to maintain SLAs.
• Guide, mentor, and upskill junior engineers in security best practices.
• Stay updated on latest threats, vulnerabilities, and emerging network / security technologies.

Required Skills & Technologies :

(ref : hirist.tech)