L3 Network Engineer

Experience: 4 - 9 years Max Experience: 9 • Advanced Architecture & Design: Plan, develop, and implement logical and physical network designs for LAN, WAN, SD-WAN, and hybrid-cloud environments (AWS, Azure). • Expert Troubleshooting & Root Cause Analysis (RCA): Resolve tier-3 and P1/outage incidents that L1 and L2 support teams cannot solve, analyzing deep packet flows and protocol behavior. • Routing and Switching Management: Configure and manage enterprise routing and switching protocols such as BGP, OSPF, EIGRP, STP, vPC, and VXLAN-EVPN. • Security & Firewall Operations: Oversee enterprise firewalls, VPN gateways, load balancers (e.g., F5), IPS/IDS, and Network Access Control (NAC) systems like Cisco ISE or Aruba ClearPass. • Project Management & Migrations: Lead major network upgrades, site migrations, data center interconnects, and vendor technology rollouts. • Automation & Scripting: Implement network automation and Infrastructure-as-Code using tools like Ansible or Terraform, alongside API-driven configurations. • Vendor & Stakeholder Coordination: Coordinate with external carriers, service providers, and hardware vendors for circuit delivery, hardware RMAs, and escalations. • Documentation & Governance: Maintain network topology diagrams, runbooks, compliance standards (e.g., ISO), and disaster recovery procedures. Typical Requirements & Qualifications • Experience: Generally 3 to 10+ years of hands-on enterprise networking experience (often 5+ years). • Certifications: Industry-recognized credentials such as CCNP (Cisco Certified Network Professional) or CCIE (Cisco Certified Internetwork Expert) are heavily preferred. • Key Technologies: Cisco Nexus/Catalyst, Palo Alto/Fortinet/ASA firewalls, F5 Load Balancers, SD-WAN (Viptela/Aruba), and cloud networking