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6.0 - 8.0 years
0 Lacs
mumbai, maharashtra, india
On-site
Job Title: L3 Network Security Engineer Location: [Insert Location] Experience: 6+ Years Education: Bachelors/Masters in Engineering (preferred) Certifications (any one required): CCNP / JNCIP / SD-WAN certification or equivalent Product certifications in Palo Alto, Checkpoint, Cisco ASA, or Fortinet Cisco ISE (CCNP Security or equivalent) preferred Role Overview We are seeking an experienced L3 Network Security Engineer to lead and manage complex network security infrastructure including firewalls, NAC, and enterprise-wide network operations. The role requires strong expertise in network design, implementation, troubleshooting, and leadership of junior teams. Key Responsibilities Network Security Management Configure, test, and maintain LAN/WAN across campus, core, and branch networks Manage enterprise firewall infrastructure (PA/Checkpoint/ASA/Fortinet) Implement and maintain security policies, standards, and procedures Lead end-to-end security infrastructure projects (planning, design, implementation, upgrades, optimization) Advanced Technical Operations Manage and troubleshoot SD-WAN infrastructure Handle critical escalations and provide L3 technical leadership Develop and maintain HLDs, LLDs, implementation plans, and network documentation Operational Excellence Execute and review major changes Troubleshoot critical/major incidents Optimize system performance and maintain SOPs Collaborate with OEM TAC for advanced support Team Leadership Provide guidance to L1 & L2 teams and resolve escalated cases Mentor, train, and upskill junior engineers Coordinate with cross-functional teams for project execution Lead POCs and evaluate emerging technologies Technical Skills & Platforms Cisco ISE, SD-WAN, Cisco ACI, Core Routers & Switches (Cisco/Juniper) Traditional routing & switching protocols Firewall solutions: Palo Alto, Checkpoint, Cisco ASA, Fortinet NAC infrastructure and Identity Management (Azure AD, On-prem AD) Soft Skills Strong analytical & problem-solving abilities Excellent communication & documentation skills Project management capabilities Ability to perform under pressure in a 24x7 environment Vendor & stakeholder management Show more Show less
Posted 2 weeks ago
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