Network & Security Engineer L3
Location: Noida
Shift: 24*7 Shift
Open positions: 2
Job Description:
- Configure and manage enterprise-level LAN, WAN, WLAN, and SD-WAN solutions.
- Implement routing and switching technologies using protocols such as BGP & OSPF etc.
- Manage next-generation firewalls, VPNs and network access control systems.
- Serve as the L3 technical escalation point for network incidents.
- Perform root cause analysis for critical outages and provide permanent fixes.
- Develop SOPs and remediation steps for L1/L2 teams.
- Ensure network security hardening, firewall rule optimization,
- Use monitoring tools to track network health and performance.
- Proactively tune and optimize network bandwidth, redundancy, and failover mechanisms.
- Maintain detailed network diagrams, configurations, and knowledge base articles.
- Lead the review and execution of network change requests (CRs)
- Ensure adherence to maintenance windows and risk-mitigation strategies.
- Experience in leading critical incident resolution
Required Skills:
- Good understanding and hands-on experience with multi-vendor network devices (e.g., Cisco, Fortinet).
- Strong fundamental knowledge & hands on experience over routing protocols (BGP4, OSPF), enterprise switching, LAN/WAN administration, and fault management
- Knowledge and hands on experience on SDWAN (Fortinet), network management systems (NMS), OSI, and TCP/IP models.
- Work flexibly in a 24x7 shift environment
- Knowledge and understanding of NAT/PAT, TACACS, DNS, DHCP, AD, and wireless networks
- Ability to diagnose and resolve network issues efficiently, including packet analysis, log interpretation, and troubleshooting tools
- Strong documentation skills for network configurations, diagrams, change management procedures, and incident reports
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