Umar Sami Khan

Experience

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  PTCL.Official

  Sept 2013 - Nov 2013

  Internship

  Transmission Department

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  PTCL.Official

  Jan 2014 - Jan 2015

  Business Operations Intern

  Multimedia & Broadband , Business Operations Department• Working in Business Operations (Multimedia and Broadband ) Department at Regional office of Islamabad Telecom Region ( ITR )• Working on Faults and Provisioning of Multimedia and Broadband services which primarily includes PTCL Broadband ( DSL ) and PTCL Smart-TV ( IPTV ) services.• Working on PTCL server systems : BNCC ( Billing and customer care ) PTCL Customer support console CRM ( Customer relationship management ) AAA portal ( check of DSL usage and sessions ) Huawei Middleware UMS server used for PTCL smart TV services• Performing configuration of DSL modems by Ethernet cable connection and remotely configuring using TR069 management system• Have worked in NOC department ( network operations centre ) : Performing handling of PSTN numbers ( related to VAS ) on Huawei x3000 soft switch using Huawei iManager N2000 system. Also basic knowledge of handling PSTN numbers on ZTE soft switches ( ZXJ10 , ZXSS10 ) Remote configuration of DSLAM / MSAG / MSAN of Huawei and ZTE • Worked on management of corporate faults which mostly include VPN and DXX faults.• Management of calling team working on winning back(churn) the broadband customers who had previously stopped using PTCL broadband. Also includes making monthly report regarding win back of customers which is to be submitted to senior management. Show less

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  Nayatel Pvt. Ltd

  Mar 2016 - Jun 2023

  NGN Department• Provisioning and troubleshooting of Nayatel’s voice services based on SIP and Megaco/H.248 protocols- handling of both Nayatel’s customer and office enterprise networks of voice• Hands on experience of Huawei’s ATCA Softx3000 softswitch and Session border controller SE2900• Hands on experience of Bicom PBXWare used for Hosted PBX and cloud based PBX services• Handling of LINUX based Asterisk based PBX of Nayatel’s office enterprise and call center voice network• Configuration of Dinstar MTG2000 for SS7 signaling with interconnects on PSTN• Provisioning and troubleshooting of SIP trunk and PRI based services• Coordination with PTA, vendors and interconnect partners• System administration of Ubuntu and CentOS based LINUX servers of voice services• Working on LINUX bash scripting and cron for automation of server processes• Hands on experience of using VMWare for handling VMs used for voice service servers• Hands on experience of using MYSQL for databases being used with respect to voice service servers• Preparation of reports related to traffic monitoring of voice services• Provisioning of LINUX based voice servers using Ansible Show less Level-1 TAC Department:• Providing technical support to FTTH (BPON/GPON) Users on Network Level for NayaTel’s Triple Play Services (Internet, POTS, Video)• Providing technical support to DSL customers.• Troubleshooting on Live Cisco (7609) and Juniper (E-120) Routers/BRAS.• Troubleshooting of PPPoE and IP Routed Circuits.• Troubleshooting of MPLS based Layer2 and Layer3 VPNs.• Configuration/Troubleshooting of IP Pools, Port Forwarding, NAT, Multi- NAT on Broadband Routers• Provisioning/Troubleshooting of Value Added Services like Video on Demand (VOD), and IPTV.• Providing remote technical assistance to customers regarding Internet connectivity.• Troubleshooting all issues related to LAN & WLAN• Hands on Experience on Cisco ASR Routers (9010), Juniper BRAS Routers (E-120 & MX-480), Broadband Routers ( TP-link, Mikro Tik) , Alcatel (I-241w-s) and Huawei ONT (HG8247) , Huawei u2000 NMS • DSLAMs Alcatel, Zhone and ParadyneLevel-2 (Access ,NGN, IP Core & Systems ) TAC Department:• FTTH Access layer configuration for provisioning of triple play services (Internet, POTS, Video)• Access layer troubleshooting of Internet and Video services• Configuration/Troubleshooting of NGN services• Providing Access level and NGN technical support to Transmission field teams• Hands on experience of NMS systems: Huawei u2000, Alcatel AMS 5520, Alcatel Sun-WAM 5528• Hands on experience of configurations on GPON OLT: Huawei MA5600T• Hands on experience of configurations on softswitches: Huawei Softx3000 using LMT client, Bicom soft switch• Hands on experience of configuring 2-port ( D-link ) and 8-port ( linksys ) ATA devices • Troubleshooting of Web/ Email/ DNS hosting on Helios, Hostgater, Mochahost, Host Department, Axigen servers• Troubleshooting/ Configuration of Untangle network management service• Troubleshooting/ Configuration of Live IP pool on Mikrotik router Show less

  • Operations Engineer

    Feb 2017 - Jun 2023

  • Network Support Engineer

    May 2016 - Feb 2017

  • Trainee Network Support Engineer

    Mar 2016 - May 2016
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  Nokia

  Jun 2023 - now

  Cloud Core SLM Engineer | Telenor Pakistan MS team

  • Working on Telenor Pakistan's Telcocloud infrastructure based on Nokia's CloudBand Openstack solution. Performing tasks related to following :• CBIS 17.5, CBIS 18, CBIS 20• RHEL Linux• Hypervisors / KVM• Openstack / Openstack Triple-O • Openstack services such Nova, Ironic etc• CBIS manager for managing CBIS infra, Scale IN/OUT operations• CPU Pinning, NUMA • OVS, SR IOV switching• NFV , SDN• Storage operations related to CEPH and RAID• ZABBIX and NETACT for monitoring of Cloud nodes• Airframe Rackmount storage/compute/controller servers : BMC Web UI and hardware, BIOS configurations • Performing critical activities such as VM migrations / Host evacuations, Scale in/out of cloud nodes, patching of compute servers• Performing backups of CBIS controllers, undercloud and hypervisors• Preparing MOP manuals for performing activities and troubleshooting• Creating/Managing users on hypervisors,Jumphost,NOC servers• Working on container / kubernetes based platforms : CBIS 20 and NADCM server Show less