Job Details

Tower Lead - Cisco Application Centric Infrastructure (ACI)

We are seeking an experienced L3 Network Engineer with strong expertise in Cisco ACI (Application Centric Infrastructure) and Arista Networks (EOS-based data center solutions). The candidate will be responsible for design, implementation, troubleshooting, and optimization of large-scale enterprise/data center network environments. The role focuses on designing, deploying, and supporting modern data center networks, including Cisco ACI and Arista leaf-spine architectures with VXLAN EVPN overlays. It provides Level-3 support, troubleshooting complex fabric, routing (BGP/OSPF/EIGRP), and control/data-plane issues while performing root cause analysis for major outages. The position also involves automation and integration, managing APIC, CloudVision, EVPN-VXLAN fabrics, and integrating with VMware and L4-L7 services such as firewalls and load balancers.

Key Responsibilities:

• Design and deploy Cisco ACI fabric (Spine-Leaf architecture).
• Implement tenant, VRF, bridge domains, EPGs, contracts, and policies in ACI.
• Design and implement Arista leaf-spine data center networks using EOS.
• Configure VXLAN EVPN overlays in Arista environments.
• Develop scalable L3 network architectures supporting enterprise applications.
• Provide Level 3 support for critical network incidents.
• Troubleshoot: ACI fabric issues (APIC, leaf/spine nodes, policy issues) VXLAN/EVPN control-plane and data-plane issues BGP, OSPF, EIGRP routing problems Perform root cause analysis (RCA) for major outages.

Skill Requirements:

• 815 years of networking experience
• 35 years of hands-on experience in Cisco ACI
• 35 years of hands-on experience in Arista data center networks
• Strong troubleshooting experience in production environments
• Deep knowledge of data center networking architectures

Certifications (Mandatory / Preferred):

• CCNP Data Center or CCNP Enterprise
• ACE-L3 (Arista Certified Engineering Level 3) or equivalent hands-on expertise
• CCIE Data Center / CCIE Enterprise Infrastructure

The candidate must demonstrate:

• Real-world deployment of ACI fabric (minimum 23 implementations)
• Experience configuring Arista VXLAN EVPN fabrics
• Strong troubleshooting of production outages
• Writing automation scripts for network provisioning
• Experience in multi-vendor data center environments

Soft Skills:

• Strong analytical and problem-solving skills
• Ability to work under pressure in critical incidents
• Excellent communication and documentation skills
• Collaboration with cross-functional teams (security, cloud, application teams)

Compensation and Benefits:

A candidate's pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.