Network Administrator

2 days ago

Kolkata, India Tata Consultancy Services Full time

Role : Network AdministratorRequired Technical Skill Set :Network Administration (Software Defined Network)Experience : 5 to 8 yearsLocation : Kolkata, Kochi, Bangalore or Hyderabad.Job Description :Must Have:-Strong understanding of Cisco ACI architecture, APIC configuration, and policy-based networking.Proficient in SDN principles and network virtualization technologies.Hands-on experience with Cisco Nexus switches (9000 series preferred).Familiarity with network automation tools (Python, REST API, Ansible).Knowledge of L2/L3 protocols, VXLAN, BGP/OSPF, and multicast.Very good communication skill.7.Flexible in 24*7 client supportGood-to-Have:-Additional certification in any network technology (CCNP)Cisco Certified Specialist – ACI ImplementationExperience in automation, AI/ML technologiesResponsibility of / Expectations from the Role :-1.Design & Implementation:-Plan, configure, and deploy Cisco ACI fabrics including APIC, Leaf & Spine switches, and integration with existing infrastructure.Develop and maintain SDN architectures for enterprise and data center networks.Implement ACI policies, contracts, and tenants for application workloads.2.Operations & Maintenance:Monitor and maintain ACI and SDN environments to ensure optimal performance and availability.Troubleshoot network issues across L2–L7 layers using Cisco tools and monitoring systems.Apply firmware upgrades, patches, and configuration backups across ACI infrastructure.CameraNetwork Devices3.Automation & Integration:-Utilize automation tools (e.g., Python, Ansible) to streamline configuration and provisioning tasks.Integrate ACI with VMware, Kubernetes, and cloud environments where applicable.

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