NTT

1 year ago

Network Engineer - L3

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Last checked: 10 hours agoStatus: Live

Job Summary

Manage and support enterprise network infrastructure at an L3 level, including LAN, SDN, WAN/SD-WAN, data center networking, cloud networking, and WiFi. Work with MPLS connectivity and WAN routers from Cisco and Juniper, configure and manage Cisco ACI, and support leaf-spine data center LAN architectures. Use ITSM tooling and network management platforms, and apply strong knowledge of routing, VLANs, STP/MSTP, BGP/OSPF, ACLs, and monitoring with SNMP.

Location: Mumbai

Workplace: Onsite

Employment Type: Others

Job Function: IT Operations (Systems/Network Admin)

Seniority: Mid level

Key Responsibilities

•Manage and troubleshoot enterprise networking across LAN, SDN, WAN, SD-WAN, data center networking, cloud networking, WiFi, and SLB.
•Configure and manage MPLS connectivity and WAN routers, including Cisco ASR/ISR and Juniper SRX/MX platforms.
•Support Cisco viptela and Silverpeak SD-WAN configuration and operations.
•Configure Cisco ACI components (tenants, bridge domains, endpoint groups, security policies, VRFs) and support leaf-spine DC LAN architecture.
•Work with SLB platforms (Citrix Netscaler or F5), analyze traffic using Wireshark/Pcap analyzers, and prepare network schematics using Lucidchart/Visio while using ITSM/APM tools.

Key Requirements

•Graduate (preferably Science or Engineering) with good communications skills and a network certification such as CCNP or equivalent.
•8+ years of hands-on experience managing LAN, SDN, WAN, SD-WAN, data center networking, cloud networking, WiFi, and load balancing (SLB).
•Experience with ITSM and network/APM tools such as BMC Entuity, SNOW APM, and NPM tools.
•Strong understanding of VLAN/VTP/DTP, 802.1Q trunking, STP/MSTP, BGP, OSPF, static routing, ACLs, SNMP configuration, and Wi-Fi protocols (802.11a/b/g/n/ac/ax).
•Hands-on experience with MPLS and WAN routers (Cisco ASR/ISR or Juniper SRX/MX), plus Cisco viptela/Silverpeak SD-WAN, and SLB solutions (Citrix Netscaler or F5).

Experience:8+ yearsEnterprise networkingData center networkingCloud networking

Skills:CommunicationHands-on troubleshootingNetwork configurationTechnical documentation

Certifications:CCNP

Tech Stack:Cisco ASRCisco ISRJuniper SRXJuniper MXCisco viptelaSilverpeak SD-WANCitrix NetscalerF5 SLBCisco ACIVMwareVSphereNSXNSX-VNSX-TWiresharkLucidchartVisioAWSAzureBMC Entuity

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT