Network LAN ACI Engineer

4 days ago

Plano, Texas, United States Tcs Ct Usa Full-time $70 - $75 Permanent

Job Title: Network LAN ACI Engineer

Role Description

We are seeking a Network LAN ACI Engineer with 7–10 years of experience in enterprise LAN, data center, campus networking, Cisco ACI, SDA, DNAC, and advanced Layer 2/Layer 3 networking. The role focuses on designing, implementing, troubleshooting, and supporting large-scale Cisco network infrastructure across LAN, data center, security, and campus environments.

Roles & Responsibilities

  • Provide operations support for Enterprise LAN, Security, Data Center, and Campus Network platforms.

  • Install, configure, maintain, and troubleshoot Cisco switches and routers using APIC/ACI and DNAC.

  • Configure and support Cisco ACI spine-leaf switches, APIC, APIC-EM, and Nexus switches.

  • Manage ACI tenants, VRFs, bridge domains, EPGs, contracts, L3Outs, and external network connectivity.

  • Troubleshoot connectivity issues between applications, EPGs, and external networks, including routing, contracts, and endpoint learning.

  • Support firewalls, load balancers, micro-segmentation, and policy rules.

  • Design, deploy, and troubleshoot VSS, VDC, VPC, OTV, FabricPath, FCoE, and multi-tenancy.

  • Plan and execute APIC and switch firmware upgrades, maintenance, repairs, and network enhancements.

  • Troubleshoot BGP, EIGRP, OSPF, static routing, IPv4/IPv6, and network hardware/configuration issues.

  • Monitor network performance and investigate faults using Cisco APIC/ACI, Nexus Dashboard, DNAC, ISE, PagerDuty, Nagios, and ThousandEyes.

  • Support DHCP/DNS and troubleshoot Infoblox environments.

  • Perform network changes, incident/problem management, service improvements, and production maintenance while minimizing network impact.

  • Support network automation and collaborate with customers, infrastructure teams, vendors, and Cisco.

  • Report network status and complex issues to key stakeholders and serve as an escalation point.

Required Technical Skills

  • 7–10 years of network engineering experience; 8–10 years in Network Switching/LAN technologies.

  • Strong hands-on experience with Cisco ACI, SDA, and DNAC.

  • Strong knowledge of Cisco Nexus 9K, 7K, 5K, 2K; Catalyst 9K, 3K, 4K, 6800, 6500, 4500, 3800, 3500, and 2900 series.

  • Expertise in ACI, APIC, VXLAN, FabricPath, VPC, VDC, VSS, FEX, OTV, FCoE, and multi-tenancy.

  • Strong Layer 2/Layer 3 networking skills including STP, VLAN, VTP, Trunking, EtherChannel, HSRP, VRRP, LACP, and PAgP.

  • Strong routing knowledge of BGP, MP-BGP, OSPF, EIGRP, Static Routing, IPv4, IPv6, VRF, and VLSM.

  • Experience with CoS, QoS, WRED, MPLS, Metro Ethernet, and Hub & Spoke.

  • Experience with GRE tunnels, IPsec VPNs, SSL, and DMVPN.

  • Strong understanding of IP addressing and VLSM.

  • Experience with Cisco ISE integration and network orchestration/automation.

  • Hands-on experience with DHCP, DNS, and Infoblox.

  • CCNP Routing & Switching or higher certification.

  • Graduate degree/education.

Experience

7–10 Years