LAN ACI Engineer

Job Description

Must Have Technical/Functional Skills

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 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, Pager Duty, Nagios, and Thousand Eyes.

• CCNP Certified (Routing & Switching) & Higher
• Strong knowledge of Cisco Data Center with ACI environment (Single/Multi Pod)
• Expert knowledge of LAN switching technologies: STP, Trunking, Ether channel and high‑availability fundamentals (HSRP and VRRP)
• Good understanding of LAN switching technologies including ACI, APIC, VXLAN, fabric path, SDA, DNAC, ISE, Spanning Tree, Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP)
• Hands‑on experience with load balancing concepts such as LACP and PaGP
• Strong hands‑on work experience with Cisco Nexus 9K, 7K, 5K, 2K devices, Cisco Catalyst 9K, 3K and 4K series
• Experience designing, deploying, and troubleshooting VSS, VDC, VPC, OTV, Fabric path, FCoE, and multi‑tenancy in the datacenter
• Deep understanding of IP addressing and VLSM
• Good understanding of DHCP, DNS, and hands‑on Infoblox experience
• Troubleshooting network link/device hardware/configuration issues, isolating and 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 while limiting impact on production network
• Very strong Layer 2 & 3 networking skills, solid BGP, IPv4, IPv6, and change management
• Troubleshooting routing protocols such as BGP, EIGRP, static, and OSPF, and collaborating with ISPs and internal teams to resolve issues
• Experience working on CoS, QoS, WRED, and related quality of service parameters
• Working knowledge of MPLS, Metro Ethernet, and Hub & Spoke concepts

• 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 and routers using APIC and DNAC tools
• Configuration and operational support experience with Cisco ACI – spine‑leaf switches, APIC, APIC‑EM controller, and Nexus switches
• Resolve connectivity problems between applications, EPGs, and external networks
• Diagnose routing, contracts, and endpoint learning issues
• Maintain external connections (L3
  
  Out, 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
• Procure network equipment and manage subcontractors involved with network installation
• Configure routing and switching to maximize network efficiency and security
• Supervise or perform site installs, maintenance, upgrades, or software enhancements to support 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
• Maximize network performance through ongoing monitoring and troubleshooting
• Investigate faults in the network
• Resolve incidents, problems, and changes according to established procedures
• Work on service improvement activities and complete them within target dates
• Explore and support automation where possible
• Work closely with customers, infrastructure teams, and vendors such as Cisco

Reporting network status to key stakeholders.

Base Salary Range: $80,000 to $110,000 Per Annum

• Discretionary Annual Incentive
• Comprehensive Medical Coverage:
  Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans
• Family Support:
  Maternal & Parental Leaves
• Insurance Options:
  Auto & Home Insurance, Identity Theft Protection
• Convenience & Professional Growth:
  Commuter Benefits, Certification & Training Reimbursement
• Time Off:
  Vacation, Time Off, Sick Leave & Holidays
• Legal & Financial Assistance:
  Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing

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