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NTT DATA Logo NTT DATA · IT - Administration

Network Security

India, Noida · Job Posted June 08, 2026
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Job Description

We are currently seeking a Network Security to join our team in Noida, Uttar Pradesh (IN-UP), India (IN).

Job Responsibility

  • Must have great experience on Routing & Switching & Wireless
  • Vendors supported - Velo Cloud is must, Cisco, Riverbed
  • Must be expert of routing, switching, wireless, LAN and WAN, i.e. L2 (Wireless IEEE 802.11 a, Ethernet, IEEE 802.1x std. STP, MSTP, RSTP, Dynamic VLAN, HSRP/VRRP.) / L3 (Routing protocols such as EIGRP, OSPF, BGP.), NEXUS, SD-WAN
  • Ensuring all configurations are in compliance with network standards, reviewing log files, SD-WAN, LAN, WAN, NMS
  • Participate in the setup, deployment, maintenance, troubleshooting and documentation of enterprise-level, mission-critical, network infrastructure components
  • Looking to have strong knowledge of Viptela SDWAN (Hands-on) and Wireless
  • Teaming with project managers, cross-functional technology and business teams to ensure successful projects
  • Owning and documenting escalated support tickets and service requests through resolution via ServiceNow
  • Adaptive, communication, presentation and leadership skills
  • Full understanding of WAN/LAN internetworking, protocol interoperability, network architecture development and requirements for testing / proof of concept
  • Knowledge of Wireless, Nexus, SD-WAN
  • Working knowledge of Networking products from Cisco, Dell & Extreme Networks
  • Skills and knowledge and adherence to ITIL & Change Management processes
  • Excellent communication skills, both written and oral
  • Strong customer service skills
  • interfaces with customers, end users, partners and associates
  • Additionally, the candidate must work well within a team, adapt easily to change, and possess the flexibility to travel. Candidate should have a history of working unsupervised while achieving required goals
  • Rotating on-call, support queue management, preforming network system analysis and reporting
  • Willing to work in 24X7 environment

Requirements

  • Must have great experience on Routing & Switching & Wireless
  • Vendors supported - Velo Cloud is must, Cisco, Riverbed
  • Must be expert of routing, switching, wireless, LAN and WAN, i.e. L2 (Wireless IEEE 802.11 a, Ethernet, IEEE 802.1x std. STP, MSTP, RSTP, Dynamic VLAN, HSRP/VRRP.) / L3 (Routing protocols such as EIGRP, OSPF, BGP.), NEXUS, SD-WAN
  • Ensuring all configurations are in compliance with network standards, reviewing log files, SD-WAN, LAN, WAN, NMS
  • Participate in the setup, deployment, maintenance, troubleshooting and documentation of enterprise-level, mission-critical, network infrastructure components
  • Looking to have strong knowledge of Viptela SDWAN (Hands-on) and Wireless
  • Teaming with project managers, cross-functional technology and business teams to ensure successful projects
  • Owning and documenting escalated support tickets and service requests through resolution via ServiceNow
  • Adaptive, communication, presentation and leadership skills
  • Full understanding of WAN/LAN internetworking, protocol interoperability, network architecture development and requirements for testing / proof of concept
  • Knowledge of Wireless, Nexus, SD-WAN
  • Working knowledge of Networking products from Cisco, Dell & Extreme Networks
  • Skills and knowledge and adherence to ITIL & Change Management processes
  • Excellent communication skills, both written and oral
  • Strong customer service skills
  • interfaces with customers, end users, partners and associates
  • Additionally, the candidate must work well within a team, adapt easily to change, and possess the flexibility to travel. Candidate should have a history of working unsupervised while achieving required goals
  • Rotating on-call, support queue management, preforming network system analysis and reporting
  • Willing to work in 24X7 environment
  • 8+ years of experience on managing LAN & WAN Infrastructures
  • 8+ years’ experience on Routing & Switching, Riverbed & Wireless
  • Vendor experience to include - VELO Cloud, Cisco, Riverbed
  • Degree: Bachelors in Computer Science or equivalent work experience

Nice to have

  • Preferred knowledge of VELO Cloud (Hands-on) and Wireless
  • Adaptive, communication, presentation, and leadership skills
  • Project experience for SDN Infra & Networking
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