Senior Administrator - Cisco Application Centric Infrastructure (ACI)
- Chennai, Tamil Nadu

Job Summary:
We are looking for an experienced Network Engineer with robust expertise in Cisco Application Centric Infrastructure (ACI) and Network Automation. The role involves designing, implementing, and managing next-generation data center networks, along with automating network provisioning, configuration, and operations to improve efficiency, scalability, and reliability.

Key Responsibilities:
Cisco ACI (Application Centric Infrastructure) - Design, deploy, configure, and manage Cisco ACI-based data center networks. - Implement and maintain ACI fabric components including APIC controllers, leaf/spine switches. - Configure ACI constructs such as: o Tenants, VRFs, Bridge Domains (BDs) o Application Profiles and Endpoint Groups (EPGs) o Contracts and policies - Integrate ACI with: o Physical servers and virtualization platforms (VMware) o L4-L7 services (firewalls, load balancers) - Monitor ACI fabric health, performance, and faults using APIC tools.



- Perform troubleshooting for fabric, policy, endpoint connectivity, and segmentation issues. - Support ACI upgrades, patching, and lifecycle management. Network Automation - Develop and implement network automation frameworks to streamline provisioning and operations. - Automate configuration, deployment, and validation using tools such as: o Python o Ansible / Terraform o REST APIs, NETCONF/RESTCONF - Create reusable automation scripts for: o Device configuration o Compliance checks o Backup and restore operations - Integrate automation with CI/CD pipelines where applicable. - Reduce manual intervention by implementing zero-touch provisioning and automated workflows. Data Center Networking - Support data center networking concepts including: o VXLAN, EVPN o Overlay and underlay design o Spine-leaf architecture - Ensure high availability, scalability, and segmentation in the DC network. - Work on hybrid environments integra

📌 Senior Administrator (Chennai)
🏢 HCLTech
📍 Chennai