Haris Khalid

Experience

• 

  Worldcall Telecom Limited

  Apr 2005 - Jul 2006

  Sr. Network Engineer

  • Responsibilities of OA&M of Two Siemens Soft Switches (HIE9200) in Lahore and Karachi with more than 20 Pops through media gateways (HIG1000) and TDM & one Soft Switch HIE9200 at UK interconnected with satellite Link to Lahore and Karachi Switches.• Installation, Commissioning, Integration and Acceptance of SIX HIG1100.• Interconnect LDI Soft Switch with other GSM MSC, CDMA MSC, MSU and IN SCP (INFITEL).• Maintaining the Calls, Routers, Soft Switch, Media gateways, Net Manager in LDI Project.• Creation of LTGs, DIUs ,V.5 interface and link ,trunk groups & creation of SS7 signaling links via LTGs and via LIC.• Testing of C7 links and trunks with International and national operators.• Maintaining routing and zoning of Whole LDI network. • Creation of ZOPT (Zoning points) & CPT (code points) files.• Routine Backup & Q-tape of Switch.• Traffic Analysis of Soft Switch..• Making AMA and IACHASTA CDR Files, and making routine tapes on MO disk. • MOPC (Modem pool cards) and EZA (Ethernet switch type A) cards status check. • Preparing media status report for overall network Show less

• 

  Warid Telecom

  Jul 2006 - Jul 2007

  NSS Engineer

  • Working on the database management including setting the routing and zoning parameters and charging definitions.• Complete monitoring of all the routes and trunks, on the same network and other operators, for an efficient management of the subscriber traffic.• Cell definition ,creation of DIPS, Transcoder devices.• Responsible for the first level resolution/restoration of the alarms• Coordination with different departments/personals to carry out various activities at different nodes of the network• Trouble shooting of first level restoration alarms.• Coordination with the Back Office for the second level resolution of the alarms• Carry out the size alterations in all the AXE nodes in coordination with the customer engineering dept.• Coordination with different departments e.g. Transmission, LDI etc. for the rectification of the media related alarms• Preparation/generation of various reports• Alarm monitoring/escalation for the complete GSM network entities e.g. MSC/VLR, HLR, STP, SCP and BSC. Show less

• 

  Ericsson Pakistan

  Jan 2007 - Jan 2010

  •Working as an Team Lead NOC/Incident Manager with more than 15 engineers in Ericsson-Warid operations in Warid NOC.•Coordination with different departments like LDI, Transmission, IN/VAS and higher management.•Responsible of evaluation of Team members, NOC roaster and resource management.•Route definition in MSS pool, ST parameters, B-number analysis for MNP and Traffic shifting.•RCA(root cause analysis) for different issues call muting , call rejection, handover rejection, degraded KPI stats in MSC,MSS•Definition and routing of C7, HSL and sigtran links in different nodes like MSC,MSS,MGW (i.e VC12 connectins, DS0 bundles VMGW, TDM termination groups etc via MoShell and OSSRC ) •Complete Health checks and O&M of MGW(i.e status of SL, boards, te logs, pmx stats, SAC mode, CV creation, call path traces via Moshell and OssRC) •GT definition ,modification and routing in MSC, MSS for HLR, STPs, CCN ,SMS,Size alteration of different blocks etc.•Rectification of CP/RP & group switch faults•Configuration of STMs in MSC and MGW and E1s for MRBTs •Implementation of call gapping ,AXE parameters and change of authentication parameters of nodes during special occasions.•Performance measurement of KPI (Key performance indicators) for all BSC and MSC nodes and maintaining TCH Utilization, SDCCH Drop/Mean hold time, call rejection and Traffic Congestion under specified Threshold•ISUP ,MTV, sigtran and A/B number traces for subscriber related complaints.•Backups of All nodes including Ericsson APG40(Bur backup)•APG40 related issues( AP fault, HeartBeat Failure, APG node down, AP System analysis(Y, K, L etc), creation/deletion of raids, PRCboot , billing files, password failure etc, )•Taking part in different activities like BSC rehoming, STM expansion in MSC, MSS and MGW , announcement loading and HW( Board replacement/restart)•Using different tools like Wireshark, ISUP decoder, Total Commander,RTR decoder, CP event recorder etc. Show less

  • Team Lead/Incident Manager FO NOC

    Aug 2007 - Jan 2010

  • NSS Engineer

    Jan 2007 - Jan 2010
• 

  Field Service Operations(FSO)

  Jan 2010 - Jul 2011

  Incident Manager/ Team lead NOC

  Development and improvement of NOC (Front Office) processes according to the MS-TOP (Managed Services Telecom Operations Practice) has been a vital category. Being the Assistant Manager, it is the prime responsibility to ensure a smooth functionality of all the NOC processes.• Coordination with the customer and the management regarding the entire network related issues, performance of Front Office and issues handling and resolution on Front Office platform.• Ensure team enabling on new platforms by suggesting/organizing in house and external trainings.• Act as the interface with second level maintenance teams and field operations teams for diagnosis of complex faults.• Update and improve the NOC escalation processes to ease the trouble shooting. • Ensuring end-user satisfaction by keeping KPIs under threshold.• To ensure all the outages to be entered in outage Tool and generation of TTs .• Coordination with different departments/personals to carry out various activities at different nodes of the network.• Monitor WLA/SLA enforcement by different vendors/field ops teams.• Update the training plan.• Update and identify the training needs of Front Office resources.• Managing the duty roster and vacation plan of the Engineers.• Identification of resource gaps.• Determining the budgetary needs of the team and provide input to Senior NOC (Front Office) Manager for the same.• To engage line function in weekly meetings to discuss field and escalation issues.• To ensure updates in SOP and processes of the team in alignment with the overall NOC (Front Office) polices and procedures.• To help in rolling out and establishment of any new NOC (Front Office) processes.• To prepare performance report of the overall network. Show less

• 

  FSO

  Aug 2011 - Feb 2012

  Regional Core/NSS Engineer

  • Daily PMR of Core nodes.i.e MSC, MSC-S,BSs, MGW,HLR,STPs.• Taking routine Backups AP/CP and RTR backups of All core nodes on DATs and storing them on NDS(Nationwide Data Server) server.• Performing IR testing on monthly basis.• Providing subscriber snapshot to customer on weekly basis.• Performing PARs on APG40 C2/C4.i.e ----APG Single/Dual Node replacement ----AP system Data disk restore. ----AP system restore. ----AP system Disaster recover(single & Dual) ----APG power cycle activity. ----Applying different primus solutions.e.g. SCS128928 and others on recommendation of CNS.• Performing PARs of Board replacement /hard reset on all core nodes.• Performing PARs of CP replacement, power cycle on APZ212/40 & 50. • Performing life line activity on core nodes on quarterly basis.• Resolving block devices in MSCs and MGWs.• Resolving subscriber complaints.• Taking all type of traces on Monolithic and MSS nodes.• A-number, B-number analysis.• Performance monitoring and troubleshooting of core nodes .i.e.call rejection, success ratio, logs of MGW.• Performing different traces.i.e. ISUP,MTV, A-number, B-number and SMS traces.• Taking part in up gradation of MGW.• Maintenance of Backups tapes for whole region.• Responsible for Call testing in all regions for newly integrated sites.• Complaints support handling.• Provide support to other regions for APG issues.• Maintenance of NDS server. Show less

• 

  Huawei Technologies

  Mar 2012 - Apr 2013

  Ericsson Back Office Core TL Zain 3G network

  • Responsible for the O&M of Two MSC-s Blade Clusters nodes, two MGWs, two HLRS, SGSN,GGSN.• Daily PMRs of all Core nodes.• Troubleshooting of issues. i.e. APG43 , APZ214 03,APZ 212 50/60,RP issues, size alteration etc• A-number & B-number analysis and implementation of changes in all blades.• B-number audit for blade cluster.• GT routing/analysis.• Creation of voice routes, signalling links in Blades Clusters and MGW(DS0 bundles, TDM terminations groups,VMGW configuration).• Performance monitoring and troubleshooting in core .i.e. call rejection, Inter BSC HO success, Location update, route utilization, SMS success ratio, paging success ratio, MGW context seizure ratio etc.• Rectification of faults in MGW hardware and software related issues.• Taking Call path traces in MGW.• Announcement loading in MGW.• IREG implementation.i.e. GT definition/modification of new series in BC/SPX, imsi definition in VLR, area definition in HLR etc.• Taking all types of traces call, sms ,sigtran traces, to troubleshoot the issues.• AGM320 Upgrade of APG43• IPA09 loading in APZ212 60• Removal of RP faults in core nodes.• Main GPRS network elements (SGSN, GGSN(Juniper M20)) configuration analysis and statistics gathering, analysis, evaluation and reporting to Customer.• Constantly checking the performance and alarms associated to the PS Core Network Nodes and if is necessary, open CSR or Trouble Tickets to work with Second Line Support providing fast an efficient troubleshooting on the Network elements.• Taking backups of CS & PS core nodes.• Perform activities on APG43 & APZ212/60.i.e. Disaster recover to restore the faulty node and primus solutions.• Preparing reports to present the issues to customer. Show less

• 

  Ericsson Saudi Arabia

  May 2013 - now

  2G/3G/4G Field Core TL

  • Daily PMRs and HC of all Core nodes.• Troubleshooting of issues. i.e. APG43 , APZ214 03/51,APZ212/60,RP issues, size alteration etc.• Daily PMR of Core nodes.i.e MSC, MSC-S,BCSs, MGW,HLR,STPs• Complete understanding of UDC HW architecture.• CUDB & HLR-FE & HLR-HSS O&M.• Resolution of 1st & 2nd Level O&M alarms of CUDB & HLR• Applying OPIs for Boards(SC, PL & DSG) changing in CUDB including changing CLUSTER CONF file.• Providing remote support for CUDB.• EVO BSC PAT SPOC.• Taking routine Backups AP/CP and RTR backups of All core nodes on DATs and storing them on NDS(Nationwide Data Server) server.• Performing IR testing on monthly basis.• Providing subscriber snapshot to customer on weekly basis.• Performing PARs on APG40 C2/C4.i.e ----APG Single/Dual Node replacement ----AP system Data disk restore. ----AP system restore. ----AP system Disaster recover(single & Dual) ----APG power cycle activity. ----Applying different primus solutions.e.g. SCS128928 and others on recommendation of CNS.• A-number & B-number analysis and implementation of changes in all blades.• B-number audit for blade cluster.• GT/IMSI routing/analysis.• Performing PARs of Board replacement /hard reset on all core nodes.• Performing PARs of CP replacement, power cycle on APZ212/40 & 50. i.e. Assigning MAC addresses manually for CP in APG• Performing life line activity on core nodes on quarterly basis Show less

• 

  Ericsson

  Nov 2021 - now

  2G/3G/4G Field Core TL and 5G Cloud Native Infrastructure Engineer

  • End to end implementation of CNIS 1.4 for E/// 5G cloud infrastructure for E/// UDM and PCG .• Cable verification for all the computes and servers• WA for DCO setup, remote connection tools installation and setup.• Downloading required SWs for the CNIS 1.4.• Servers iDrac IP Setting, Root password change for all the computes using LLD.• Upgrade performed to the required SW level for the Computes for i.e.BMC, Bios, NIC as per the design.• EAS (Leaf & Spine) Initial Setup for extreme switches, EAS SW version Upgrade and configuration(Leaf & Spine) for control part.• Common Services Server Setup using Ubuntu for the reachability of all the computes.• RTE(Real time enviroment) & SDI Installation. Local user preparation. Installation of license key for the SDI manager.• LDAP setup by creating OPENLDAP VM and DCO Access Configuration for the SDI manager(creation of DCO user and password files).• Asset Discovery for the switches and computes and Managing the assets via SDI manager.• Update BIOS parameters for all Servers as per requirement of CNIS1.4.• DCC(data center customer) Setup via SDI manager and creating DCC user and password files in LDAP VM.• vPOD creation, assets assignment to vPOD and implementing vPOD control networking.• Collect Server Topology using serial numbers of the computes• Initial configuration of the Data part i.e. Extreme SLX initial config & SLX OS Upgrade (Leaf /Spine/Border leaf)• TPVM installation , EFA(Extreme facbric automation) installation and configuration.• Implementing Crossbow integration for performance capture.• CCD(cloud container distribution) configuration files preparation.i.e. yaml files for bmhosts(for computes allocation),sdi_env,empheralconfig and ccdadmconfig.• Ephemeral node installation & CCD Bare metal Cluster Installation.i.e creating VM for CCDADM, DNS and NTP installation and generating required files and Keys. Show less