Senior Network Engineer - Routing & Switching

About the Role : We are seeking an expert Senior Network Engineer to design, build, and optimize large-scale enterprise networks. You will lead network migrations, solve deep Layer 3 problems, and mentor team members. You will also ensure our multi-site environments stay highly available. Primary Skills : - Core Networking : Design, implement, and optimize large-scale enterprise networks. - Routing & Switching : Deep knowledge of dynamic routing protocols (BGP eBGP/iBGP, OSPF, ISIS, EIGRP, PIM Multicast). - WAN & Overlay Technologies : MPLS, SR-TE, DWDM, DMVPN, SD-WAN. - OS Experience : Cisco IOS/ Arista OS /Cumulus Linux. - Troubleshooting : Hands-on Layer 3 problem-solving and root cause analysis. Secondary & Good-to-Have Skills : - Automation : Foundational network automation skills. - Overlay/Virtualization : VxLAN, BGP-MP, VRFs. - Compute : Basic understanding of VMware, Kubernetes, Docker. - Certifications : CCIE is highly preferred. - Operations : Experience writing runbooks, managing vendors, and running lab simulations. Responsibilities : - Architect and deploy complex LAN/WAN architectures. - Lead network upgrades, migrations, and continuous service optimization. - Manage vendors and act as a technical leader across project teams. - Create documentation and establish runbooks for smooth daily operations.