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Lan Aci Engineer

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Location:
United States , Plano

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

120000.00 USD / Year
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Job Responsibility:

  • Provide operations support for Enterprise LAN, Security, Data Center, and Campus Network platforms across North America locations
  • Installing, configuring, and supporting network equipment including Switches & Routers using APIC & DNAC tool
  • Configuration and Operational support experience with Cisco ACI - Spine-leaf switches, APIC and APIC-EM controller, Nexus switches
  • Resolve connectivity problems between applications, EPGs, and external networks
  • Diagnose routing, contracts, and endpoint learning issues
  • Maintain external connections (L3Out, firewalls, load balancers) and Apply micro segmentation and policy rules
  • Add or update ACI objects (tenants, VRFs, bridge domains, EPGs, contracts)
  • Deep understanding of network orchestration and automation using Cisco ACI/APIC, SDA & DNAC with ISE integration
  • Procuring network equipment and managing subcontractors involved with network installation
  • Configuring routing and switching to maximize network efficiency and security
  • Supervise and or performing site installs, maintenance, upgrades or software enhancements to support the network infrastructure needs
  • Plan and execute APIC and switch firmware upgrades
  • Function as a point of escalation for operational entities regarding regular or complex issues
  • Maximizing network performance through ongoing monitoring and troubleshooting
  • Investigating faults in the network
  • Resolve incidents/problems/Changes according to established procedures
  • Work on Service improvement activities and completing it within the target dates
  • Explore & Support automation where possible
  • Work closely with customer, Infrastructure teams and vendors such as Cisco
  • Reporting network status to key stakeholders

Requirements:

  • Strong knowledge in Switching technologies – Tenant, VRFs, BDs, EPGs, VXLAN, STP, Trunking, Ether channel, HSRP, VRRP, LACP, PaGP, BGP, OSPF, MP-BGP
  • Switching Models Nexus 9K, 7K, 5K, 2K, VPC, FEX, VDC, Cisco VSS, VPC, Cisco Catalyst 6800, 6500, 4500, 3800, 3500 2900 with stacking
  • Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM)
  • Extensive experience on designing and implementing Cisco ACI, SDA (Software-Defined Access), DNAC with Data Center Networking Technologies and Cloud Solutions
  • Strong experience with Monitoring and Alerting Tools: Cisco APIC/ACI, Nexus Dashboard, Cisco DNAC, Cisco ISE, PagerDuty, Nagios & Thousand Eyes
  • CCNP Certified (Routing & Switching) & Higher
  • Strong knowledge on Cisco Data Center with ACI environment (Single/Multi Pod)
  • Expert Knowledge of LAN switching technologies: STP, Trunking, Ether channel and good understanding of high availability fundamentals (HSRP and VRRP)
  • Good understanding of Local Area Network (LAN) switching technologies including ACI, APIC, VXLAN, fabric path, SDA, DNAC, ISE, Spanning Tree, Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts
  • Good hands-on experience on the load balancing concepts like - LACP, PaGP
  • Strong hands-on work experience with Cisco Nexus 9K, 7K, 5K, 2K devices, Cisco Catalyst 9K, 3K & 4K series
  • Experience in designing, deploying, and troubleshooting VSS, VDC, VPC, OTV, Fabric path, FCoE and multi-tenancy in the datacenter
  • Good understanding of DHCP, DNS - Hands-on experience & troubleshooting knowledge on Infoblox
  • Troubleshooting network link/device hardware/configuration issues, isolating the problem, fixing the problem
  • Install, configure, and support large-scale production and corporate network infrastructure including routers, switches, console servers and equipment
  • Schedule and perform network maintenance, repair, and upgrade tasks as needed while limiting the impact on the production network
  • Very strong Layer 2 & 3 Networking skills solid BGP, IPV4, IPv6, Change management
  • Troubleshooting the routing protocols like BGP, EIGRP, Static and OSPF and work with the ISPs and internal teams to resolve the issues
  • Experience working on CoS, QoS, WRED and related quality of service parameters
  • Working knowledge on MPLS, Metro Ethernet and Hub & Spoke concepts

Additional Information:

Job Posted:
March 21, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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