Oct 2021 – Jun 2022 · 8 mos

• · Managing the global infrastructure team responsible for designing advanced & highly scalable Walmart production Network infrastructure, DNS Infrastructure ,Application Load balancing ,WAN infrastructure ,Enterprise Mobility ,Edge infrastructure and Network automation.Team Size-20)
• · Technology leadership in design, deploy and operating Walmart scale networks.
• · Creating and directing implementation of the global roadmap for operational improvements, fallout reduction and automation opportunities focusing on operational efficiencies and cost reduction opportunities.
• · Responsible for stakeholder management across customers, business units and partners ensuring high satisfaction levels across value chain.
• · Driving Operational efficiency across the Services Delivered with a keen focus on KPIs, SLAs & SLOs.
• · Analyzing & optimizing Infrastructure and managing Data Center consolidation projects across globe to support critical customer needs.
• · Recruiting, Mentoring, Developing talent and providing growth opportunities for the team.
• · Accountable for end to end infrastructure project delivery across multiple strategic programs globally.
• · Managing project communications, controlling scope and handing risks and issues proactively. Ensuring projects are delivered on time and within budget.

Apr 2017 – Sep 2021 · 4 yrs 5 mos

• Managing the global infrastructure team responsible for designing advanced & highly scalable Walmart production Network infrastructure, DNS Infrastructure ,Application Load balancing ,WAN infrastructure and Network automation for E-Commerce ,Stores ,distribution centres and enterprise enviorment.Team Size-23)
• Technology leadership in design, deploy and operating Walmart scale networks.
• Responsible for stakeholder management across customers, business units and partners ensuring high satisfaction levels across value chain.
• Driving Operational efficiency across the Services Delivered with a keen focus on KPIs, SLAs
• Analysing & optimizing Infrastructure and managing Data Centre consolidation projects across globe to support critical customer needs.
• Creating and directing implementation of the global roadmap for operational improvements, fallout reduction and automation opportunities focusing on operational efficiencies and cost reduction opportunities.
• Recruiting, Mentoring, Developing talent and providing growth opportunities for the team.
• Accountable for end to end infrastructure project delivery across multiple strategic programs globally.
• Managing project communications, controlling scope and handing risks
• and issues proactively. Ensuring projects are delivered on time and within budget.

Aug 2015 – Jul 2017 · 1 yr 11 mos

• Designing and Implementation role for data network of Walmart E-Commerce ,stores ,distribution centers ,home office and Walmart global connectivity network
• Technical lead for IDC network team(Team Size 12)
• Responsible for design, engineering, automate, deploy and operate Walmart scale Backbone,and Load Balancers.
• Edge POP and Data Centre Infrastructure in a web-scale environment.
• Work in agile team of systems, network, storage engineers and scrum masters, designing, developing, and implementing solutions
• Responsible for planning and implementing Network Infrastructure on juniper devices,N5K, N7k/5k/2k
• Experience on load balancers,F5 , Netscalers for the applications. CITRIX Netscalers 7000, MPX-11500, 17500, 21500,SDX
• Routing and Switching engagements for Walmart Network
• Responsible for Configuration and management of Disaster recovery designs and testing on DR network design.
• Setting Monitoring tools –HPNA, NNMI, Stat seeker ,Customized ONMS and inhouse tools
• Next-Generation Backbone Networks & Datacentre Design & Architecture. Experience in working in multivendor environment
• Responsible for Configuration and management of Disaster recovery designs and testing on DR network design.
• Work with peers in other groups to define architecture and deployment standards and best practices to control, enhance and improve overall system stability and availability.
• Document detailed network architecture and conduct internal trainings

Aug 2014 – Jul 2015 · 11 mos · Bengaluru Area, India

• Provide engineering, design, and technical leadership and support for business units and/or internal network projects.
• Undertake Global travel on need basis to engage with customers, understand their technical requirements and underlying business drivers.
• Develop detailed technical design that will deliver optimum solution for complex customer requirements and produce appropriate design documents during the “BUILD” phase
• Green Field Implementation for VMware Data Centre, Bangalore as a lead.
• Green Field deployment DELL Datacentre for MPLS, Noida as a lead.
• Green Field deployment HCL Datacentre : MPLS, Chennai as a lead.
• Delivering Brocade specific solution for IP .
• Lead detailed design and system integration workshops with customer SME’s
• Develop implementation and migration concept
• Upgrade & expand network systems and components.
• Working on Brocade IP product series- ICX,MLX and VDXs
• Knowledge of Brocade specific technologies-MCT ,VCS
• Create network designs and work with vendors to produce accurate BOMs.
• Work with peers in other groups to define architecture and deployment standards and best practices to control, enhance and improve overall system stability and availability.
• Document detailed network architecture, Design documents and conduct internal trainings
• Technical Management for all projects : team size 5

Dec 2011 – Aug 2014 · 2 yrs 8 mos · Bengaluru Area, India

• Designing and Implementation role for data network of Citrix Online infrastructure (gotomeeting,gotomypc,Sharefile,gotowebinar,podio,NetViewer) spread across the globe (this includes 15 datacentres) which caters for various collaboration and remote application/software
• Multivendor exposure (Cisco, Juniper and Netscaler)
• Worked on load balancers, Net scalers for the applications. CITRIX Netscalers 7000, MPX-11500, 17500, 21500
• Cisco Nexus: 2k,5k,7k –configuration/upgrade/Management
• Juniper platform: MX240, MX5T, J6350 ,SRX3400
• Responsible for planning and implementing Network Infrastructure on juniper devices,N5K, Routing and Switching engagements for Citrix network
• Configuration and management of Disaster recovery designs and testing on DR network design.
• 1 Month Onsite exposure for restructuring Citrix WAN for the major datacentres.
• Working as Escalation for NOC

May 2011 – Nov 2011 · 6 mos

• Since April 2011 with Alphaserve Technologies as Unified Communication Engineer
• To gather Customer’s requirements and prepare High Level design (HLD), Low Level Design (LLD) and Network Implementation plan. Review of the design with the customer
• Responsible for planning, and implementing Network Infrastructure, Routing and Switching engagements with Customers
• To ensure objectives and operating requirements of organization are met and provide services to maintain and optimize the network
• Conduct and participate in peer and cross technology trainings and knowledge enhancements. Also conduct Knowledge transfer sessions for Customers
• Handling Level 3 escalations from Alphaserve NOC

Mar 2008 – Mar 2011 · 3 yrs · Gurgaon, India

• Network Specialist(Routing and Switching) - Cisco Systems
• Maintaining router and IOS architecture while managing overall administration of LAN and WAN involving network design, configuration Cisco Routers and databases
• Cisco Switches (3500, 3700, 4000, 4500, 6500) and Routers(2800,1800,870,3800,7200,7300,10k,12k
• Designing engineering activities to maximize network capacity while troubleshooting problems pertaining to performance tuning, network administration, application conflicts and system bug
• Installing and configuring Switches,Routers & Firewalls and accountable for overall security of the network and regular backups
• .Layer 2 and layer3 tshoot , port & module issues related to Catalyst 3500, 3700, 4000, 4500, 6500 series switches
• Troubleshooting issues related to spanning tree and providing configuration assistance of VLAN Trunk Protocol (VTP) on 3500, 3700, 4000, 4500, 6500 series switches
• EIGRP,BGP,OSPF,MPLS,NAT,PBR,QoS,Multicast
• STP, QOS, VLAN/ VTP and Upgrade assistance on all the layer 3 switches
• Troubleshooting switching issues like STP ,VTP.VLAN ,Layer 2 troubleshooting RSPAN configurations , ACLs, HSRP, VRRP, GLBP, CDP, PagP, LACP, trunking (802.1q and ISL), bridging, CAM tables
• Handling configuration and troubleshooting on Cisco devices for the following - ACLs, HSRP, VRRP, GLBP, CDP, PagP, LACP, trunking (802.1q and ISL), bridging, CAM tables
• Configuration and troubleshooting routing protocols OSPF, EIGRP , RIP ,Static routing ,BGP, GRE on platoform 6500,7600,3800,2800,10k,7200), NAT, QoS on Ethernet, NBAR,PBR,VRF-lite and DHCP ,MULTICAST,MPLS
• Knowledge of software upgrade procedures for Cisco platforms- switches 6500,3750,2960,7600 and routers 7200,3600,7300,2800,1800,ASR,870 series wirless routers platform
• Apart this providing design recommendations based on resources available ,current network design and Cisco recommended best practices

Dec 2006 – Feb 2008 · 1 yr 2 mos · New Delhi Area, India

•  Worked for Netgear, a US based company for routers ,switches ,hubs..and other networking devices.
•  Configuration of routers
•  Installation of access points and wireless print servers
•  Basic troubleshooting of adapters and storage devices etc