Administrator (Support & Operations)

The DCLAN Administrator is responsible for the day-to-day operation, administration, monitoring, and support of enterprise Data Center LAN infrastructure based on Cisco ACI and Nexus platforms. The role ensures availability, stability, performance, and security of business-critical data center network services while providing operational support for incidents, changes, service requests, lifecycle activities, and infrastructure deployments.

Key Responsibilities

• Administer, monitor, maintain, and troubleshoot Cisco ACI fabrics and Nexus 9000 spine-leaf infrastructure.
• Manage ACI components including APIC, Tenants, VRFs, Bridge Domains, EPGs, Contracts, L3Outs, VLANs, interface policies, and physical connectivity.
• Install, commission, replace, and support APIC controllers, spine switches, leaf switches, and Nexus infrastructure in production data centers.
• Provide advanced troubleshooting for Layer 2/Layer 3 connectivity, BGP, OSPF, EIGRP, VLAN, VRF, vPC, port-channel, and application connectivity issues.
• Manage operational incidents, service requests, problems, and changes, ensuring timely resolution and restoration in line with agreed SLAs.
• Support major incidents through technical troubleshooting, impact analysis, RCA, and corrective/preventive actions.
• Perform Lifecycle Management (LCM) including software upgrades, hardware refreshes, EOL/EOS replacement, vulnerability remediation, and RMA activities.
• Provision and support connectivity for servers, virtualization platforms, firewalls, load balancers, storage, and other data center infrastructure.
• Support network segmentation, capacity expansion, DC migrations, infrastructure refresh, and modernization initiatives.
• Continuously monitor network health, capacity, faults, and performance and proactively address potential service-impacting conditions.
• Maintain accurate network configurations, topology documentation, operational procedures, asset inventory, and CMDB records.
• Collaborate with server, storage, security, firewall, load balancer, virtualization, application, and OEM teams for end-to-end issue resolution.
• Participate in 24x7 on-call support for critical DCLAN incidents, outages, emergency changes, and service-restoration activities.

Key Skills

Cisco ACI | APIC | Nexus 9000 | Spine-Leaf | VRF | EPG | Bridge Domain | Contracts | L3Out | BGP | OSPF | EIGRP | VLAN | vPC | L2/L3 Troubleshooting | Incident & Change Management | RCA | LCM | RMA | DC Migration | Network Monitoring