Job Overview We are seeking an experienced Network Consulting Engineer (NCE) specializing in VXLAN EVPN, AI Data Center Networking, and high-performance computing (HPC) environments. The successful candidate will be responsible for designing, implementing, and optimizing next-generation data center networks that support AI/ML workloads, GPU clusters, distributed computing, and hyperscale infrastructure. This role requires deep expertise in modern data center networking technologies, including VXLAN EVPN, BGP, RoCEv2, RDMA, Cisco Nexus, Arista EOS, and fabric-based architectures. The ideal candidate will have hands-on experience building highly available, low-latency networks optimized for AI training, inference, and large-scale compute environments. Key Responsibilities Design, deploy, and support VXLAN EVPN-based data center fabrics for AI, HPC, and cloud-scale environments. Architect and implement scalable spine-leaf network designs using platforms such as Cisco Nexus 9000, Cisco ACI, and Arista EOS. Configure and optimize Layer 2/Layer 3 segmentation, workload mobility, and network virtualization. Design and tune networks supporting GPU clusters, distributed AI training, and high-performance workloads. Optimize network performance for RoCEv2, RDMA, GPUDirect, and low-latency traffic flows. Implement and troubleshoot routing protocols including BGP, OSPF, IS-IS, and multicast. Deploy and manage data center fabric integrations with virtualization and container platforms including:VMware NSXKVMHyper-VKubernetes-based AI platforms Collaborate with compute, storage, cloud, and Dev Ops teams to ensure end-to-end infrastructure performance. Support network automation initiatives using Python, Ansible, Terraform, and Infrastructure-as-Code (IaC) methodologies. Perform network performance testing, benchmarking, capacity planning, and optimization for evolving AI workloads. Provide technical leadership, troubleshooting expertise, and consulting guidance to enterprise customers and internal teams. Required Skills & Experience Proven experience designing, deploying, and operating VXLAN EVPN-based data center networks. Strong hands-on experience with:Cisco Nexus 9000 platforms Cisco ACIArista EOSSpine-leaf architectures Advanced knowledge of data center routing and switching technologies:BGPOSPFIS-ISMulticast Network virtualization Deep understanding of AI and HPC networking requirements, including:RoCEv2RDMAData Center Bridging (DCB) Priority Flow Control (PFC) Congestion management and latency optimization Experience supporting GPU-accelerated infrastructure and distributed computing environments. Strong troubleshooting skills across network control plane, data plane, and performance issues. Experience with network automation and orchestration tools:Python Ansible Terraform Understanding of hybrid cloud and multi-cloud networking architectures. Preferred Qualifications & Certifications CCIE Data Center certification preferred. CCNP Data Center or equivalent advanced networking certification. Cisco certifications such as:Cisco Certified Specialist – Data Center Core Cisco Certified Specialist – Enterprise Core Experience with NVIDIA networking technologies, including:NVIDIA Spectrum switches NVIDIA Cumulus Linux Arista certifications such as Arista ACE are highly desirable. Experience designing and supporting AI infrastructure, hyperscale data centers, or HPC environments.