Network Administrator

3 hours ago


Greater Kolkata Area, IN Tata Consultancy Services Full time

Role : Network Administrator

Required Technical Skill Set :Network Administration (Software Defined Network)

Experience : 5 to 8 years

Location : Kolkata, Kochi, Bangalore or Hyderabad.

Job Description :

Must Have:-

  1. Strong understanding of Cisco ACI architecture, APIC configuration, and policy-based networking.
  2. Proficient in SDN principles and network virtualization technologies.
  3. Hands-on experience with Cisco Nexus switches (9000 series preferred).
  4. Familiarity with network automation tools (Python, REST API, Ansible).
  5. Knowledge of L2/L3 protocols, VXLAN, BGP/OSPF, and multicast.
  6. Very good communication skill.

7.Flexible in 24*7 client support

Good-to-Have:-

  1. Additional certification in any network technology (CCNP)
  2. Cisco Certified Specialist – ACI Implementation
  3. Experience in automation, AI/ML technologies

Responsibility 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.
  • Camera
  • Network Devices

3.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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