Chinmay Marathe

Experience

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  Ericsson India Pvt Ltd

  Jan 2008 - Sept 2015

  Sr. Engineer - RAN

  MTN South Africa, IDEA & BHARTI AIRTEL:(Wi-Fi)•Implementation & Integration of Ericsson Wi-Fi Controller (8052),WiFi Manager on Linux,Business Analyzer & Access Points with BNG. •Involved in ORM meetings with customer.Prepared ATP documents for WiFi Manager,WiFi Controller & Access Points after discussing with Customer. •Knowledge Transfer to local Teams about installation and integration of Wi-Fi Nodes.•Performed end to end testing of traffic flow in WiFi as per the design.Working closely with the customer,Ericsson tier 2 team on CSRs raised for Wi-Fi issues & troubleshooting of Wi-Fi nodes.•Performed live customer trial of 3G Offload to Wifi using GTP tunnels for a leading telecom provider IDEA & ICR WiFi testing performed between different operators.•Involved in Upgrade of customer n/w,emergences raised by customer & ORM meetings with customer.•Proactively educating the customer to avoid the emergency situations.Providing 1st level analyses and remedy to avoid the traffic outage & Updating customer about new feature releases.•Involved in Implementation of Wi-Fi in stadium during events & PoC for local operators. •Configuration of different profile in controller for group of APs & Configuration of APs for different bands(5.8 GHz and 2.4 GHz) •Implementation of access point using via mesh, point to point & star topology.Online Technical Support to Field Engineers during integration of APs.INFOTEL BROADBAND SERVICES:(Wi-Fi,Microwave,DWDM)•Test cases prepared as per customer requirement.•Implementation of Ericsson Controller 8000,WM & APs in multi-vendor environment.•Implementation of Configuration of 16 PT nodes in ring architecture.•Integration of MLPT with Juniper router & Implementation of Ericsson SOEM (NMS) & 14 MHL 3000 nodes in ring architecture & Trouble shooting during testing.•Performance testing as per test cases executed with customer in multi-vendor environment.•Final test report with proper logs submission to customer with quality. Show less

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  Jio

  Sept 2015 - Sept 2017

  Wi-Fi SME

  Configuration & Troubleshooting in Multi-vendor equipment’s for PAN India Wi-Fi deployment.Analyzing and Troubleshooting end to end Wi-Fi & VoWIFI Scenarios for user/network related issues.Hands on experience in Configuration & Troubleshooting of Wi-Fi network elements (Access Points, Controllers & EMS) for Cisco, Ruckus, Mojo networks.Configuration and troubleshooting on Cisco ASR 5500 (SaMOG/ePDG) for Wi-Fi data offload & VoWIFI issues.Troubleshooting on Cisco (2960, 3750 & ASR 901), RAD, Volktek and Techroute Switches & Juniper acx 2200 & ISG Cisco ASR 1000 router.Troubleshooting knowledge on MPLS, MPBGP and L3VPN network for Wi-Fi related issues on Cisco ASR 9K (IOSXR), Juniper ACX2200 & ASR903/920.Raising TAC cases with Vendor support for software related issue. Show less

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  NGS Infonet Inc

  Sept 2017 - Mar 2018

  Practice Lead Wireless

  Build practice for assessment program, end-to-end wireless visibility for remote infrastructure managementand service monitoring• Lead on Audit services on pre-and post-implementation• Identify all technical issues of assigned accounts to assure complete customer satisfaction through all stagesof the sales process.• Wi-Fi surveys for customer locations with airmagnet tool and full documentation of all survey relatedinformation for deploying and maintaining a large wifi deployment Show less

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  Samsung India

  Apr 2018 - May 2019

  Manager Technical Engineering RAN

  • Providing technical trainings on Wi-Fi technology, VoLTE/ VoWIFI architecture and handovers.• Responsible for generating leads for new feature enhancements on Wi-Fi Product portfolio which can meet customer needs.• Responsible for carrying out new package verification testing with Customer QA team.• Handling of L3 tac cases related to Wi-Fi networks issues & customer escalation and taking it up with the PLM team in Korea. • Handling Samsung combo small cell (LTE+ Wi-Fi) product verification and bug fixes which are raised by Customer.• Handling & troubleshooting of Wi-Fi, VoWiFi network issues from access to core network.• Solid understating of Wi-Fi technology /standards & LTE converged core/EPC ecosystem for troubleshooting issues end to end.• New feature testing for Samsung Wi-Fi product portfolio.• Solid understanding on Cisco Wireless & ISE. Show less

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  Cisco

  May 2019 - Oct 2021

  Sr Network Consulting Engineer - Wireless

  Preparing and presenting customer Requirement documents, HLD, LLD, and NRFU test cases.• Experienced in implementation and support during deployment of Cisco SDA solution.• Preparing the migration plan and deliverables for migrating traditional wireless to CiscoC9800-based SDA solution.• Good hands-on experience on C9800 wireless controller and SDA network components likeDNAC.• Good understanding of traditional wireless and SDA-based network call flows.• Hands-on experience on Netconf, Restconf, Yang models, and python.• Created a tool to automate C9800 wireless controller and AP configuration for local and flexmode APs for all major types of WLAN deployments.• Hands-on experience in doing Bug scrubs and Wireless Lan audits.• Preparation of detailed wireless network audit reports for customer networks.Preparing test cases for WiFi feature testing and end to end solution testing for lte-wifi,webauth&WiFi management software which is based on microservices architecture (DNAC cloud)• Quality assurance testing of new software builds and product verification.• Deployment of WiFi management software on docker runtime with Kubernetes as an orchestratorin customer private cloud.• Working experience on network protocol analyzer tools like Omni peek&Wireshark.• Wireless packet analysis during testing WiFi features and functionality in new software packages.• Cross vendor testing of WiFiaccess points with WiFi gateways and core network elements. Show less

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  Arista Networks

  Oct 2021 - Nov 2022

  System Engineer

  Experience in pre-sales, designing, deploying, and/or administrating a wireless network• Hands-on experience on NAC like Aruba clearpass platform and Cisco identity service enginefor integration with the wireless and wired network for all types of traffic flows like 802.1x,Guest.• Experience with managing or conducting field trials or POC in production network and labenvironment.• Conduct presentations to customers, communicating the functionality and benefits of specificproducts, services, and integrated solutions• Interacting with product management on new feature requirements and implementation.• Preparing competitive specs analysis for Wireless AP and solutions.• Preparing RFP specs and responding to tenders with appropriate RFP responses.• Preparing BOQ in response to competition specification.• Providing technical training sessions to other verticals and customers.• Hands-on experience on Ekahau tool for Wireless RF surveys. Show less

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  Mist Systems

  Dec 2022 - now

  Senior System Engineer - Specialist