L2/L3 Network Security Engineer

3 weeks ago

Chennai, India Pravi HR Advisory Full time

Role : L2/L3 Network Security Engineer (5-10 Years)Location : ChennaiExperience : 5-10 yearsJob 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 :- Deep expertise in firewalls (Palo Alto, Check Point, Cisco Firepower, FortiGate).- Strong knowledge of routing/switching protocols OSPF, EIGRP, BGP; Nexus/Aruba switches.- Hands-on with load balancing (F5), VPNs, NAC (Forescout), AAA (Cisco ISE).- Enterprise-level wireless solutions - Cisco, Aruba, Ruckus.- Advanced packet analysis (Wireshark, Riverbed) and monitoring (SolarWinds, NetFlow).- Strong understanding of public cloud security (AWS, Azure, OCI).- Proven experience with regulatory compliance in banking IT environments.- Excellent leadership, communication, and stakeholder management skills. (ref:hirist.tech)

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