Consultant - Telco/IT Infra - Cloud Operations
Huawei Technologies Co. Ltd
Total years of experience :15 years, 10 Months
Roles and Responsibilities in Zain Project
• Hands-On Experience in OPEN STACK Environment and Management
• Deploying E9000 Compute Blade server with RHEL/Centos Linux to launch VM’s using Fusionsphere Openstack using Hypervisor (KVM/QEMU)
• Configure L2/L3 Networking for Typical Application scenarios for Compute, Switch Module, NIC, Access switch and Routers
• Working on NFVI/VIM Solutions and tools - Fusionsphere Openstack/VIM/Fusionsphere Openstack OM/ManageOne -Operation and Service Center/Esight
• Deep understanding of the telecommunication market and NFV/SDN Architecture, standards, technology and use cases of NFVI, VNF’s and MANO
• Hands on experience with clear conceptual understanding of Openstack client like Nova, Neutron, Glance, Cinder, Keystone, Horizon, Ceilometer, Heat, Magnum, Ironic and Zun
• Hands on experience of SDN concepts and administration (VRRP, e-BGP, SR-IOV, VXLAN, Linux Bridge, Openvswitch, LBAAS, FWAAS, Address Scope, DNAT, SNAT)
• Deployment experience on Openstack Ansible using Linux Containers, CEPH Block Storage
• Inter Data Centre communication experience for Deploying OSPF Single/Multi Area and BGP Route Aggregation, Access, Trunk, VRRP, Ethtrunk, Inter VLAN communication
• Experience with configuration management tools (Ansible, Puppet, chef)
• Rebuilding System Hard Disk/RAID and BIOS E9000 Compute Blade server
• Planning and Configuration of Server, Storage and Network Resources like Chasis E9000, Server CH121 V3, OceanStor 5500/6800 V3, TOR/EOR/CE Switches, NIC
• Analayzing the HW requirements along with limitations for cloud environment
• Knowledge of Linux and common Linux applications (Tcpdump, Bash Scripting, iptables, MySQL, RabbitMQ, HAproxy, Keepalived, Apache, Pacemaker)
• Ability to identify and troubleshoot issues quickly in Openstack/SDN/RHEL/Centos Linux-based environment
Roles and Responsibilities in TIGO and EE + 3UK + Orange Projects
• Performing Operation & Maintenance of EVO RNC’s and RBS 6601 - 3G/LTE/SRAN
• Responsible for fault troubleshooting and KPI issue handling in 3G/LTE/SIU Network
• Root cause analysis presenatation to customer with recommendation
• LTE CTR/Baseband/DUS/DUL System Traces and configuration analysis to resolve RF KPI issue/Customer complaint using LteMsrbsToolbox, LOGTOOL, Cygwin
• IuCS/IuPS/Iu-Flex cutover-migration implementation
• LTE/3G site migration to resolve the throughput issues
• Daily analysis of RNC’s board crash as routine health check up
• DUS/DUL crash analysis and regular audit to avoid the KPI degradation
• Handling the VOLTE call drop issue by auditing the Baseline VOLTE parameters
• Auditing LTE sector power as per RU hardware and Power license
• Changing PCI/TAC/EARFCN/Bandwidth/Baseband Capacity as per RF plan
• New feature testing from tracing till configuration in coordination with RF team
• EPB/DUW/DUL/DUS/SIU hardware reaplacement management
• Performing DBC check and KGET comparison to resolve the fault in LTE Network
• Troubleshooting RSSI and VSWR issue by giving the recommendation to FM team
• Interface troubleshooting like IP Interface/Network SYNC/Default router/S1AP-UP/X2AP-UP to isolate the TXM issue in network
• S1-FLEX implementation and traffic distribution with respect to multiple MME
• Analyzing Single UE-Lost issue causing ERAB drop via LOGTOOL/LteMsrbsToolbox
• LTE DL and UL Throughput Optimization Analysis
• Troubleshoting issue like RACH SR, UE cannot camp to cell, CSFB to 3G, High UL Packet Loss Ratio, no browsing and no success for intra eNodeB handover
• Performed LTE/3G Software upgrades L14B/W15B
• Opening Ticket to Ericsson Support in case of next level troubleshooting required
• Responsible for change and software management of SIU
• End to end Technical project handling of HW swap scenario with different vendor
Roles and Responsibilities in Airtel Project
• 2nd Line Support of Ericsson LTE/WCDMA CPP platform based Utran elements -RBS/eNode-B (6202, 3206, 3202), RNC3810, RNC3820, EVO RNC performing fault rectification by using UNIX/CPP based Platform
• Familiar with LTE/UTRAN architecture and functionalities
• Providing technical support and handling emergency for LTE/WCDMA KPI related issue
• Expertise in NodeB Integration/commissioning, troubleshooting and NodeB upgradation W13/W14
• Worked on enodeB integration, MME Pooling, enodeB upgradation L13/L14
• RCA analysis and learning to be implemented across the network as corrective action
• GOLS Recommendation/Initiatives generated to improve the network performance/KPI’s
• Governance call with Customer/MSIP to resolve the capacity issue/risk in network
• Audit performance of IP RAN redundancy connected to MPBN/Transmission network
• Fault management of RNC Cards like GPB’s, TUB, CMXB, EPB, ET-IPG, ETMF41, ETMFG causing emergency situations
• Analysis of Interfaces like Iub over IP/ATM, IU-CS and IU-PS over IP, SIGTRAN, IP system, IP interface
• Troubleshooting of plug in units of RBS/enodeb like RUS, RUW, DUW, DUL, RET, Antenna system
• Capturing the capacity issue related to License/CE expansion/Hardware and escalated to planning team for resolution
• System Trace analysis of NAS message, MAC, RLC, RRC, RAB, PDCP, RANAP, RANSAP set up
• Changing HSPA parameters at RNC and Node-B (Carrier, Iubdatastreams, NodeB function)
• System Trace/UEH EC analysis in RNC to resolve the Customer Complaint/KPI issue
• UETR/CTR/GPEH Traces analysis via Decoder/Cygwin for Accessibility, Retainability and integrity KPI issue in RNC/Nodeb
• Preventive measure implementations for RNC mp, cc, dc, pdr load balancing and traffic balancing within subrack/modules
• Handling customer escalations and bringing with change in process to improve the way of working to avoid the same
• Performed Software Upgrades W15B and automation done to reduce the MAN hours
Roles and Responsibilities in Aircel Project
• 2G BTS site Databuild planning and data-fill creation
• Creation of BSC Data fills (BSC 3i and Flexi)
• Equipment dimensioning i.e. BCSU, PCU etc.
• Equipment/ Interface/ Signaling Capacity management
• RCA analysis for BSS problems
• BTS/eNode-B /Node-B site Databuild creation i.e. site commissioning file
• Interface Dimensioning and capacity management of Abis, Ater/A, GB, SS7 links for NSN BSCs
• Software Upgradation (BSC S12 to S13) and Implement Software to all Units of BSC
• Fallback and Safecopy of BSC Software, Transfer Fallback to UMS
• Activating and Testing GPRS in BSC, Activating and Testing Gb over Frame Relay, Activating and Testing Gb over IP
• Creation and Deletion of NSVCI (NSEI), Modifying DAP, CIR, GENA, EGENA, BVCI Operational State, RA from one SGSN to another
Roles and Responsibilities in Idea Project
• Operation management: Ensuring maintenance of complete network, inclusive of performance monitoring, day to day Network Operations, Preventive & Corrective Maintenance
• Installation and Commissioning of NOKIA Ultra, Flexi BTS
• Strong technical understanding of GSM Radio Access Network
• Remote and onsite support for the Hardware troubleshooting
• To undertake Expansion and Upgradation of Cell Sites
Bachelors of Technology - Electronics and Communications