Design and Deployment 3 Tier Security Architecture using F5 & Cisco ASAv for RCP Cloud Application. Design and Deployment of Cisco SDN Solution ACI with Multi-site controller across multiple sites OF Rakuten Mobilc Inc. Design and Deployment in Mellanox Spine-Leaf solution for Zadara Cloud-native storage for Rakuten Mobile platform. Design and Deployment of Cisco ACI SDN for Rakuten Mobile platform RCP container project. Design and Implement Open source base SD-WAN Flexiwan solution for Rakuten Group. Planning & Implementing Open Network Foundation ONOS base SDN solution for Rakuten Mobile Inc. Documents preparation such as SOW, CFD, LLD, HLD, and architectural documents of different projects.

Planning & Implementing biggest Hybrid Cloud in Bangladesh pacecloud.com using Cisco Cloud Center as Cloud orchestration, Cisco ACI as SDN, and Cisco Hyperflex as Hyper-converged infrastructure with VMware as the main Hypervisor and Kubernetes as the container platform. We used F5 LTM, GSLB for ADC feature for our Hybrid Cloud with WAF & Anti - DDoS. We used Commvault for Backup as Service to our cloud customers. Also, we have implemented the Multi-cloud feature of Cisco Cloud Center to allow our customers to deploy Apps service in all major Public Cloud AWS, GCP, Azure . Planning & Implementing biggest City WIFI network Bangladesh with Cisco Outdoor AP AP1562E, WLC 8540, SD-ACCESS DNA and ISE, ISG/iWAG ASR 1009X for 4G Offloading with MNO. Planning & Implementing Carrier-grade OTT base IPTV Solution in USA name Channel4TV with Harmonic Headend, Viaccess - Orca Middleware, Radware DefensePro 4412, Broadpeak 40G CDN Backbone across USA Key Responsibilities : Deploying various Enterprise level solutions on our Datacenter and validating its support and functionality. Deployment and Testing of Cisco Validated Datacenter Design Topologies such as VMDC 2.1, Secure Multi-tenancy, Flex POD etc., Testing Cisco ACI with various virtualization managers such as VMware, Microsoft Hyper-V, Kubernetes etc., Design and implement Cisco ACI in datacenters, create a strategy that allows use of containers, cloud orchestration tools for end-users and developers Collaborate with application owners to define dependencies, map dependencies for better application workflow within ACI or public cloud use. Provide design and strategy to clients within Cisco Data Center portfolio and also include Openstack, Native Hybrid Cloud, and other cloud architectures that enable a DevOps type of agility Ensure designs include IT strategy initiatives, middleware implementations, and leveraging overall technical architecture knowledge across multiple technologies Define the migration from network-centric model to an application policy model infrastructure, create plans in include ACI, Hybrid Cloud and use of containers and orchestration tools Collaborate with CxO to deliver a seamless architecture that will allow easier scalability and adoption of devops methodology Implement High-Availability from VRRP and virtual chassis, implement protocols from OSPF, IS-IS, BGP, GRE, NAT, VRF/Routing Instances and work with layer 2 best practices from a Data Center perspective using vPC, Fabric Patch and VPLS/OTV, Multihop FCOE, and FCIP Implementing Cloud Center 5.0 and deploying cloud base on VMware, AWS, Kubernetes and offer OSaaS, IaaS, PaaS, SaaS to customers. Plan Develop & Optimize the service delivery processes, SLAs, KPIs, PIP & ensuring its realization over the system integration for different projects. Planning for resource mobilization, manpower deployment and rendering technical support; ensuring the execution of projects within time, cost & budgetary parameters.

Upgrade new IGW network with 10G and implement MPLS which includes L3VPN & L2VPN. Responsibilities policies in ZTE SSB10 SS & M9000 MGW. Design Validation for proposed IP/MPLS network for International Voice Network Make OSPF, BGP, and MPLS changes to optimize traffic distribution between Core IP Network. Network Audits and Optimization for capacity planning Designing & Planning NGN equipment for IGW network. Call Routing from a foreign carrier to access network. SIP, H.323, SS7 signaling configuration in SBC, SS and MGW.

Successfully completed project in Afghan Wireless Communication Company AWCC, Afghanistan . Implementation Veraz I Gate 4000/4000EDGE/4000PRO MGW in Mobile Operator inter MSC TDM circuit compression to VoIP traffic across Afghanistan & Installing Veraz ControlSwitch New work Datacenter for International Voice call Termination and Origination between AWCC and rest of the world. . Implementation of IP/MPLS Cisco 12000XR, ASR9006, 7609, 6513 based Backbone routers of AWCC IP Backhaul network . Successful Migration TDM P2P lease line into L2VPN & VPLS for US Army & NATO project of IP/MPLS Backbone in Afghanistan . Successful Migration Simens R99 MSC and Veraz MGW to NSN R4 MSS and MGW Core IP network for Kabul, Kandahar and Herat region in Afghanistan . Implementing Cisco SAFE Security Design using Cisco ASA5520, Cisco FWSM, Cisco 4240, Cisco IDSM-2, Cisco NAC, Cisco MARS in AWCC Network . Implementing 28GHz PtMT WiMAX Project using Cisco uBR7200 Router and Ibetor Equipment in all over Afghanistan . Managing Veraz Softswitch and Media gateways I Gate Edge and Pro using EMS and xMS. . Secure connectivity of VAS and GPRS Flexi, GRX/BG using Cisco & Netscreen Firewalls. . Design Validation for proposed IP/MPLS network for WIMAX & 3G Mobile Packet Network . Make OSPF, BGP, and MPLS changes to optimize traffic distribution between core IP network. . Integration of IP over MPLS/TE ISIS & BGP on Cisco 12000 XR, OSR 7609 based Backbone . PE/CE connectivity and MPLS L2/L3 VRF on Cisco 7609 and 12000 XR routers BGP/OSPF . . Network Audits and Optimization with RAT, OpNet & InfoVista, QoS/SLA & capacity planning . Implementing Cisco CMTS with Cisco Universal Broadband Router uBR 7206 router . Configuration and Maintenance PtMP DOCSIS WiMAX uBR7200 Router, BST, and RTU

Provide technical support in signaling protocols, networking and call processing, routing and translation, lab testing and operational support. Tests upgrades and patches for Soft Switch, media gateway and signaling gateway before final roll-out on the live network. Software commissioning of NGN equipment. Call Routing from a foreign carrier to access the network. Performance statistics analysis such as ACD, ASR, for various carriers.