Arijit Saha

Experience

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  Bangla Television Pvt Ltd

  Sept 2006 - Nov 2007

  Executive Operation (Systems)

  Providing total solutions for the PC. Maintaining system and network. Maintaining & monitoring the transmission system during online broadcasting. Operational supervision.# Specials Software: Air Box (24 Hrs. News-Software), RCS (24 Hrs Satellite-Radio software), Beehive 3D Graphics software # Common Application: Internet, Printers, Non Linear Editing Software,Sound Forge, Deko Cast Software, Tele Prompter Software.# Broadcast Equipments Handled: Mx-70, DFS 700, Sync. Generator, Audio Mixer, VDA, ADA, Flash Link, Encoder, Decoder.Technical Support / Troubleshooting- Troubleshooting problems pertaining to Workstation, Monitor, System Performance, Network Administration & System Bugs.- Solving queries regarding the Information System / Software including maintenance of hardware / network / Software support. Knowledge of all Audio & Video related equipments. Show less

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  Jaina Systems Network, Inc

  Nov 2007 - Jul 2011

  Sr. Engineer- NOC

  Worked in Sonus Media Gateway(GSX 9000), Alcatel-Lucent make Excel-2000, Quintum make CMS & CRSP, Nextone switch. Involved in day-to-day switch O&M activity in ILD switch. Taking call trace and its analysis. Attending call flow related problem. Interact with other ILD Carrier for any POI related activity. New carrier addition (IP or TDM) & testing. Traffic analysis and network planning. DID configuring & provisioning for reselling. Handling POI Carrier complaints and focusing efforts towards closure of logs, Leading to improve customer experience. Co-ordination with Other ILD Carrier Operator for Leased media and inter connectivity for carriage and termination of traffic. Troubleshooting by means of SIP and H323 signalling messages and the ISDN cause code. Troubleshooting of E1 or Link down cases and connectivity testing by means of loop-break. Show less

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  Airtel

  Sept 2011 - Dec 2013

  Voip NOC Engineer

  • Managing whole Enterprise VoIP Business Technically with Network Operations team.• Managing Cisco, Avaya switches configuration and routing.• Configuration, troubleshooting, System Monitoring through “WHATSAPPGOLD” monitoring tool, co-ordination with customers & vendors, solutions providing for new customers, testing, resolutions of any technical issues within SLA were all in day to day activity.• Maintaining System Health checkup, Activity with Vendors and completion within window time, preparation of all report (Daily, Weekly & Monthly), Meeting with client, vendor, Management and Business team.• Using BMC Remedy tool for the purpose of customer Network Outage and ECRM tool customer service request.• SIP, H323, MGCP, H245, SS7, VAS testing with Client at the time of provisioning.• Managing the Network Operations including Implementation and process creation for incident, problem, change, release, configuration and continual service improvement Management for Airtel customers like BANKS(MPLS/BGP Network), Enterprise Business (Internet/MPLS Network), Various Call center (Internet/ MPLS Network). Show less

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  Mena Telecom

  Jan 2014 - Oct 2014

  System Engineer

  • Configuration of Cisco/Brocade Switches - POE, VLAN, IP helper etc.• Configurations of Cisco routers - Vrf, inter vlan, NTP, DHCP etc.• Adding rules and security levels on Palo Alto firewalls.• Monitoring of all brocade devices (CPU/memory/top port) using BNA.• Voice MACDs, Provisioning Phones, Users, EM Profiles• Configuration of User Phone Features, Extension Mobility and troubleshooting of IP phone registration issues.• Performing BAT, Phone Button Template, and Soft Key Template, Hunt group, etc.• Configuration and troubleshooting of CME, Voice VLAN• Configuration of Voice Interfaces (FXS, FXO, ISDN E1/T1), Troubleshooting ISDN issues with Service provider• Monitoring and troubleshooting of Voice Gateways Like H.323, MGCP and SIP• Managing and supporting for Cisco Unity Connection Voice mail• Supporting Exchange Server and Windows Active Directory Show less

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  Du

  Nov 2014 - Apr 2016

  System Engineer

  • Managing & supporting and troubleshooting Cisco Call Manager (CUCM), Cisco Unity Connection (CUC), Cisco Unified IM & Presence (CUPS), Cisco IP Telephony devices, Jabber and Voice gateways remotely• Handling daily issues reported by users such as IPhone registration issues.• Troubleshooting of call routing issues in Cisco Unified Network, Configuration of CSS & Partitions• Configuration of Configuring Voicemail and troubleshooting voicemail issues, Call Handlers.• Managing and Supporting H.323, MGCP Gateways, Configuration of VG224• Handling escalation calls from L1 team related to Cisco Unified Network issues• Working with Cisco TAC for escalation issues• Configuration of Route Pattern, Route List, Route Group, Translation pattern.• Extension Mobility related troubleshooting based of error codes• Troubleshooting ISDN PRI (T1, E1) issues and coordinate with Service provider• Integrating users with LDAP (Windows Active Directory)• Configuration of DRS Auto Backup for UC deployments to SFTP Show less

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  Safarifone Inc.

  May 2016 - Aug 2016

  Lead - Network Operations

  • Designed, Installed and configured all aspects of Cisco Unified communications.• Worked in Performance Management, routing, testing and Fault Management (Customer Support).• Installed and configured Cisco Gateways/Gatekeepers using both MGCP and H323• Technical support and client relationships• Configure dial plan with calling restrictions by using a combination of calling search spaces, partitions, translation patterns, dial-peers, translation rules and translation profiles.• Troubleshoot call routing issues using debugs and traces to identify and correct issues.• Configure and implement voice gateways (H323/MGCP/SIP), SRST for remote sites, CUCME and CUE distributed design.• Performed Administration and Deployment of CUCM, Unity Connection, Presence• Maintain and administer UCCE cluster with CUSP Routing module• Managed day-to-day client and internal service requests and documented all services performed• Provided help to client on troubleshooting Routers, Switches and Cisco VoIP products• Prepare / manage shifts on 24x7 basis. Show less

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  Tech Mahindra

  Aug 2017 - Jan 2019

  Technical Consultant on Secondment to Tech Mahindra from ManR Consulting

  Project: Infovista Component Upgradation & Development Client – Tech Mahindra, Australia Project Synopsis:InfoVista is used to monitor the whole network performance, collect KPIs which are used to upgrade the infrastructure including but not limited to switches, routers, RAN etc. Infovista’s upgraded versions leverage the extended features of it to generate alerts from KPIs collected from infrastructure instances.Activities involved: • Involved in Monitoring and Supporting the Application/servers on which Infovista is deployed.• Provide Tier 2 & Tier 3 support on demand, generate the KPIs, install monitoring alerts to be routed to Netcool• Upgrade/migrate the existing components which include Vistalinks for Ericsson OSS, Huawei & M2000, Nokia etc.• MKP: Mobile Knowledge Pack: Leverage the features of it & upgrade to compatible version to suit the overall IV (InfoVista) components. • Installation and Administration of alerts on the servers with the help of remote login.• Ensuring resolution of issues within the defined SLA.• Requirement gathering, checking feasibility/compatibility of proposed new versions of existing components. • Deploying changes in test environment, raising changes & getting them approved from concerned stakeholders• Deploying the changes in scheduled window in production environment.• Tools Using AOTS, NetCool, Event-Viewer, SQL Server and Software using Linux, Unix, PL/SQL, Shell Scripting. Show less

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  GABS Telecommunications LTD

  Jan 2019 - Apr 2020

  Tech Lead
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  SONOC

  May 2020 - Nov 2020

  Pre Sales -Tech
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  GABS Telecommunications LTD

  Dec 2020 - now

  NOC Lead