Job Description: L2 Network Engineer - IDC (Nexus/ACI + Azure/GCP)Job Title: L2 Hybrid Cloud Network Engineer (DC & Cloud)Experience Level: 36 Years Location: RCPPayroll: Quess Corp Ltd1. Job Summary:We are seeking a Hybrid Network Engineer to manage our core Data Center infrastructure and its extension into the Cloud. You will be responsible for the physical Data Center fabric (Cisco Nexus/ACI) and the Cloud Networking layers in Azure and GCP. Your primary focus will be Connectivity and Routingensuring seamless traffic flow between our on-premise application servers and cloud resources via ExpressRoute, Cloud Interconnect, and VPNs.2. Key Responsibilities:A. On-Premise Data Center Operations (Nexus & ACI)ACI Fabric Management: Manage Tenants, VRFs, Bridge Domains, and EPGs within the Cisco ACI APIC dashboard.Nexus Switching: configure and troubleshoot Cisco Nexus 9K/7K switches, including vPC (Virtual Port Channel) and Layer 2/Layer 3 interfaces.Hybrid Routing: Manage the routing hand-off (BGP/OSPF) between the Data Center Core and the Cloud Edge routers.Fabric Maintenance: Perform fabric discovery for new switches and manage code upgrades (ISSU) for NX-OS and ACI firmware.B. Azure Networking (Infrastructure Focus)Connectivity: Provision and troubleshoot Azure ExpressRoute circuits, ensuring stable BGP peering with the on-premise DC.Virtual Networks: Manage VNet peering, Subnet sizing, and User Defined Routes (UDRs) to control traffic flow.Traffic Management: Configure Azure Load Balancers (L4) and Traffic Manager for routing redundancy.Virtual WAN: Manage Azure vWAN hubs and connections for multi-region connectivity.C. GCP Networking (Infrastructure Focus)VPC Management: Configure Google Cloud VPCs, Shared VPCs, and secondary IP ranges for container clusters.Hybrid Interconnect: Troubleshoot Cloud Interconnect (Dedicated/Partner) and Cloud Router (BGP sessions).Load Balancing: Manage Internal and External Cloud Load Balancers (Network Load Balancing).D. Infrastructure TroubleshootingEnd-to-End Tracing: Trace packet flow from an on-premise server $\rightarrow$ ACI Fabric $\rightarrow$ WAN/ExpressRoute $\rightarrow$ Azure VNet/GCP VPC.Capacity Planning: Monitor bandwidth utilization on ExpressRoute/Interconnect links and recommend upgrades.3. Technical Skills (Required)DC Networking: Expert in Cisco ACI (APIC), Nexus (NX-OS), VXLAN, and vPC.Cloud Networking:o Azure: VNet, ExpressRoute, vWAN, Route Tables, Private Link.o GCP: VPC, Cloud Interconnect, Cloud Router, Shared VPC.Routing Protocols: Strong BGP knowledge (essential for Hybrid Cloud) and OSPF.Tools: Familiarity with Azure Network Watcher, GCP Network Intelligence Center, and Wireshark.4. Soft Skills & CompetenciesHybrid Mindset: Ability to translate traditional networking concepts (VLAN/VRF) into Cloud concepts (Subnet/VNet).Collaboration: Working with Cloud DevOps teams to ensure the network supports their application deployments.Change Management: Strict adherence to MOPs for executing routing changes in production.5. QualificationsEducation: Bachelors degree in IT/Engineering or equivalent.Experience: 46 years in Networking, with at least 2 years in Hybrid Cloud.Certifications (Preferred):o CCNP Data Center or Enterprise.o Azure Network Engineer Associate (AZ-700).o Google Professional Cloud Network Enginee
