Job Title: Lead Network Architect
Overview / Summary Lead the design, support, and operational reliability of critical network infrastructure in a hands-on leadership role that combines network architecture, network security, telecom, vendor coordination, and infrastructure operations. This role provides L4 network expertise while remaining actively involved in a 24x7 critical operations environment.
Key Responsibilities - Provide L4 hands-on network architecture and advanced network troubleshooting.
- Lead the design and improvement of scalable data center and enterprise network infrastructure.
- Support LAN/WAN, routing, switching, firewalls, VPNs, IDS/IPS, load balancers, proxy servers, and telecom dependencies.
- Provide L3 support for network security and telecom-related escalations.
- Evaluate network performance, availability, risk, and optimization opportunities.
- Lead root cause analysis for complex network and infrastructure incidents.
- Coordinate with vendors for WAN/LAN, cabling, telecom, firewall, data center, and infrastructure services.
- Create and maintain network diagrams, architecture documentation, configurations, and standards.
- Provide technical guidance to other infrastructure engineers.
- Support security awareness and secure infrastructure practices.
- Participate in critical incident response and on-call escalation.
Required Qualifications - 10+ years of network engineering, infrastructure architecture, or senior infrastructure support experience.
- L4-level network architecture and hands-on troubleshooting capability.
- Strong experience with TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, routing, and switching.
- Strong experience with routers, switches, firewalls, load balancers, proxy servers, VPNs, IDS/IPS, and access controls.
- Strong understanding of data center network design, high availability, and performance.
- Experience leading complex network incidents and root cause analysis.
- Experience creating network diagrams, standards, procedures, and technical recommendations.
- Strong communication skills and ability to prepare reports or presentations for management.
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