Cisco Network Engineer L3

Key Responsibilities

• Lead resolution of complex and high-impact network incidents across routing, switching, SDWAN, Nexus data center switching, Riverbed WAN optimization, and F5 LTM load balancing environments, acting as final technical escalation point
• Perform advanced root cause analysis and recommend permanent corrective actions
• Design, review, and optimize network architecture for scalability, resiliency, performance, and security
• Lead major network upgrades, migrations, and technology deployments across Cisco, Riverbed, and F5 platforms, including design validation and implementation strategy
• Own and oversee high-impact changes including complex routing modifications, failover design adjustments, SDWAN optimization tuning changes with full lifecycle ownership (design → implementation → validation)
• Develop standards for routing, switching, segmentation, resiliency, monitoring, and configuration management
• Review and approve complex network changes and provide technical guidance during maintenance windows
• Mentor Level 1 and Level 2 engineers and support knowledge transfer across the team
• Collaborate with vendors, carriers, project teams, security teams, and business stakeholders on strategic initiatives
• Act as technical authority in collaboration with vendors, carriers, and cross-functional teams on strategic initiatives affecting network and application delivery

Required Qualifications

• Expert-level knowledge of enterprise routing and switching protocols such as BGP, EIGRP, HSRP, NAT, STP, VLANs, Etherchannel, Cisco SDWAN, and network segmentation
• Expert troubleshooting capability using logs, packet captures, routing analysis, and performance data, with ability to isolate complex multi-layer issues across internal networks and SDWAN fabric
• Proven experience designing and operating resilient enterprise network architectures, including routing design, failover strategies, and application traffic flows
• Experience with automation, standardization, lifecycle management, and operational improvement initiatives

Preferred Qualifications

• CCNP Enterprise required (or equivalent hands-on experience), CCIE or proven expert-level networking capability is a strong advantage, with deep expertise in BGP, EIGRP, HSRP, NAT, ACLs, VLANs, STP, EtherChannel, and SD-WAN
• Large-scale enterprise, data center, campus, or global WAN support experience
• Experience with SD-WAN, cloud networking, network automation, and Zero Trust network concepts
• Vendor management and technical leadership experience

Experience

10+ years of enterprise network engineering, architecture, operations, or infrastructure leadership experience