Personal Details

Name: Rayan Sharif

Nationality: Bangladeshi

Date of Birth: 12th October 1983

Languages: Bengali, English, Hindi, Bahasa Indonesia

Contact: Cell: +880**********; email: ac2k5f@r.postjobfree.com; Skype: rayansharif

Career Summary

Experienced in Packet Core/evolved Packet Core Planning/Operation (MBB/EPC/ISP/GRX) & Business Development, Mobile Broadband planning, solution design, proposal review, implementations, sales accounts management, project management, training, knowledge sharing and 24x7 operations support.

I held different positions in renowned vendor and operators in packet core and MPBN domain. I have ~9

years of extensive experience in management of the GSM/WCDMA/LTE multivendor data network, with new

node Integration, network swap, Managed Service, Inter-Operability Testing (IOT), Multi-Vendor Verification

(MVV), Proof of Concept (PoC), vendor/internal project planning and management; capacity/license

management, dimensioning, expansion; analyzing MoP, 3GPP, RFC, Release Notes, Network Impact Report,

RCA docs; optimization of KPI, routing, security etc. I emphasize on quick learning on evolving technology with a view to adding values to my organization to achieve operational excellence and business growth.

Summary of Skills

Cloud Core: NVF technology, Openstack, VMWARE, FusionSphere, MANO and EPC VNF NE

Fraud management and Revenue assurance: Experienced in revenue assurance, leakage and fraud prevention

Mobile Technology: Top level knowledge on network of different evolution, GSM, WCDMA, LTE, VoLTE, NFV

Network and Systems Design: Information gathering, requirements analysis, preparing delivery plan Preparing High and Low Level design documents based on requirements Preparing method of procedure (MoP) for regular activity, detailed documentation for proper record keeping and knowledge sharing

Systems and Services Integration: IP network servers Integration, Administration and Management

Network Performance Monitoring and Quality Assurance: Monitoring, Trending, Dimensioning and Capacity Planning of PACO MPBN Network, Throughput, Transactions/Queries Per Second (TPS/QPS), IP bearer Sessions, CPU,SAU,PDP, Memory utilization HPNMS, Huawei (U2000 NMS, SmartCare, BEST, MAPS), Ericsson (OSS-RC, ENIQ Stats, ENIQ Events, TMA), Open Source: (Cacti)

Routing Technology: Configure, maintain and troubleshoot network communication protocols (VLAN, E-LAN, E-LINE, QinQ, STP/RSTP, OSPF, IS-IS, BGP, MP-BGP, LDP, RSVP, LDP, Tunnelling, VPN (L2/L3), VPLS, IPSec, GRE, GRE over IPSec, QoS, Diameter, GTP, RANAP, BSSGP)

Packet Core Nodes: SGSN, GGSN, DNS, PCRF, IN, RADIUS

EPC Nodes: MME, SGW,PGW, PCRF, HSS, eNodeB

DPI and Data charging

Experience of actively working through different version of SACC deployment and modernization and evolution in course of time.

Data and internet products: Highly experienced in feasibility analysis, design and implementation of complex data bundles/packages

Technical leadership skill: Experienced in leading multicultural team located in different places with proper coordination to achieve KPI and other indicator benchmarks. Coordination experience in solving complex network problem involving multiple vendors/teams

Employment History

Dec 2016 –

Huawei Technologies

Technical Director, Cloud Core network

Leading EPC (MME,IPWORKS,SGW,PGW,PCRF), CSFB, VOLTE, CloudEdge NFV design and Configuration LTE commercial deployment Grameenphone Ltd, Banglalion Communications Ltd & Augere.

Support and babysitting EPC-LTE network during successful trial, IOT and MVV

E2E EPC and MPLS support, optimization and housekeeping for Network performance improvement and customer experience improvement

Initial installation of MME, SGW, PGW, HSS, PCRF, DNS on ATCA and E9000 NFV environment

Install and configuration of E9000 NVF cloudedge FusionSpeher, MANO. Installation and configuration of EPC VNF.

HW capacity expansion, MME/SGSN in pool co-deployment, 3GDT implementation, IuPS with Huawei RNC, software up gradation, correction patch loading.

March 2015 - September 2016

Nokia Networks

EPC&MPBN Consultant [Bharti Airtel Managed services, Kenya, Madagascar and Zambia]

Provided 24x7, 365 days second line on-call support, emergency handling, handle alarms & emergencies escalated from NOC for PACO and MPBN network elements of SGSN, GGSN, SAPC, SACC FW, DNS, RADIUS,GSS and MPBN

revenue assurance, leakage and fraud prevention

Engage in advanced root cause analysis and handling any performance degradation services.

Advanced root cause analysis of critical fault, find fault pattern and avoid recurrence of the fault

Handling 24x7 customer complain due to technical problems of PS core network affecting massive subscribers, Regular preventive maintenance and node backup of packet core nodes.

Packet core optimization and KPI Improvement, Scrutinize network load/usage pattern and SAU/PDP/KPPS capacity, recommend accordingly

Analyze signalling traces of GPRS interfaces as per 3GPP standard and GPRS protocol traces (GTP, Gx, Gy, Gn, Gom, Gb, Iu, Gi, BSSGP, FR, MAP/SCCP)

Regular optimization to improve network performance, Feasibility analysis, design and implementation of complex data bundles/packages

Revenue leakage and fraud prevention, KPI and performance Indicator reporting, Data roaming management, implementation

Aug 2014 – Feb 2015

Huawei Technologies

Packet Core Consultant [Airtel Managed services, Republic of Congo]

Analysis of existing PACO MPBN network, preparation of low level network diagram as swap preparation

Analyze signalling traces of GPRS interfaces as per 3GPP standard and EPC/ GPRS protocol traces (S1, S6a, S11,,S10, S8, GTP, Gx, Gy, Gn, Gom, Gb, Iu, Gi, BSSGP, FR, MAP/SCCP)

Data charging revenue assurance, leakage and fraud prevention

Ericsson PS core network SWAP design and process preparation

Integration of a parallel new PACO-MPBN network, Acceptance, MVV and IOT. Data bundle and business migration, Full PACO-MPBN network migration with minimal impact on live services

May 2012 - July 2014

Ericsson Indonesia PT.

Team leader- IPN/PCN Integration [XL Axiata Packet core network modernization]

Leading EPC (MME,IPWORKS,SGW,PGW,PCRF) design and Configuration LTE limited commercial trial XL-Axiata Indonesia, MME,SGW,PGW,IPWORKS initial installation, MME in pool, CSFB, SMS over SGs

Support and babysitting EPC-LTE network during successful trial and MVV in XL-Axiata network.

E2E PS Core and MPLS support, optimization and housekeeping for Network performance improvement and customer experience improvement project-Lionsgate XL Axiata

Mentoring ELS engineers for E2E PS core troubleshooting [Service, SGSN,GGSN, SAPC,MPBN] and taking over Lead support role during festival period and big network issues/outage

SGSN initial installation 2011B, HW capacity expansion, SGSN in pool 2G and 3G, 3GDT implementation, IuPS with Huawei RNC, software up gradation from 2010B to 2011B, correction patch loading for 2011B and Multi vendor Verification.

Huawei SGSN SWAP with Ericsson SGSN, GGSN M320 initial installation and configuration GGSN sw upgrade and CP upgrade, GGSN DPI rule, access control configuration for SACC for prepaid subscriber for GGSN-based SACC, SAPC Service Access Control, Bearer QoS Management (e2E QoS),IP Flow Bandwidth Management (Throttling),Fair Usage Policy Control

Gy+ interface integration with Amdocs OCS for online charging for prepaid subscriber, Prepaid subscriber billing migration to Amdocs from CISCO CSG

December 2011 - April 2012

Ericsson Nigeria LM

Back Office GPRS Consultant

Provided 24x7, 365 days second line on-call support, emergency handling, handle alarms & emergencies escalated from NOC for PACO network elements of SGSN, GGSN, SAPC, SACC FW, DNS, RADIUS,GSS and MPLS, Advanced root cause analysis and handling any performance degradation services.

Advanced root cause analysis of critical fault, find fault pattern and avoid recurrence of the fault

Handling 24x7 customer complain due to technical problems of PS core network affecting massive subscribers, Packet core optimization and KPI Improvement

Scrutinize network load/usage pattern and SAU/PDP/KPPS capacity, recommend accordingly

Analyze signalling traces of GPRS interfaces as per 3GPP standard and GPRS protocol traces (GTP, Gx, Gy, Gn, Gom, Gb, Iu, Gi, BSSGP, FR, MAP/SCCP)

April 2011 - December 2011

Ericsson Indonesia PT

PS CORE / GPRS Integration and Support Consultant

E2E QoS project support, SGSN MKVI+ and SGSN MKVIII power up and initial installation

SGSN in pool, 3GDT, SS7 over Sigtran, IuPS over IP, GbIP migration project, MVV

GGSN DPI rule, access control configuration for GGSN-based SACC

Gy+ interface integration with Amdocs OCS for online charging, GGSN M320 initial installation and configuration, GGSN sw upgrade, Hardware upgrade [ SGSN: MKVI to MKVI+, MKIV to MKVI, GGSN :M20 to M120

January 2011 - March 2011

Ericsson Nigeria LM.

GPRS integration consultant

Preparation of low level design from High level SAPC design, TSP 6.0 [NSP6 hardware] powers up and Kick start SAPC 2009A Integration & policy engine configuration, Qos profiling, Gx+ interface integration.

PCEF [ GGSN] configuration as part of SACC 3.0 deployment, revenue assurance, leakage and fraud prevention

June 2007 - December 2010

Grameenphone Ltd., Bangladesh

Senior System Engineer, Packet Core Support

Provided 24x7, 365 days second line on-call support, handle alarms & emergencies escalated from NOC for SACC, SAPC and SASN. Alarm trouble-shooting and fault rectification of SGSN, GGSN, SASN, SAPC, FW, DNS, RADIUS,GSS

E2E PS core service emergency handling, Regular preventive maintenance and node backup of packet core nodes, Hardware fault handling of SGSN, GGSN, SASN, SAPC, FW, DNS, RADIUS,GSS nodes

revenue assurance, leakage and fraud prevention

Professional Developments

VOLTE and NVF scenario training [Huawei Thailand]

EPC Design advanced [Huawei Bangladesh]

LTE Beginner WorkShop [Ericsson Education Indonesia]

EPC overview [Ericsson Education Indonesia]

MME advanced troubleshooting [Ericsson Education Indonesia]

SACC4.0 Overview [Ericsson Education Malaysia]

SASN 2009A Configuration [Ericsson Education Malaysia]

SAPC 2009A Configuration & Operation [Ericsson Education Malaysia]

OLM 6.0 configuration [Ericsson Education Malaysia]

SGSN R8 delta[Ericsson Education Malaysia]

GPRS System Survey [Grameenphone Company Internal ]

GSM System Survey [Grameenphone Company Internal ]

GSM/WCDMA M-MGW R4 Operation & Configuration[[Ericsson Education Malaysia]]

APG40 Operation & Maintenance[Company Internal ]

GSM BSC operation [Huawei & Ericsson]

Vendor Skill Sets

Huawei: vUSN, vUGW, vCG,USN9810,UGW9811, CG9812, DNS9816, UPCC3.0 HSS9860, NE 40E X8/X3

NOKIA: MME Flexi-NS SG8, FNS3, FNS4, Flexi-ISN 3.0, 4.0, SAE-GW S/P-GW FNG 3.0, 3.1

Ericsson: MME,EPG,SAPC,IPWORKS,SGSN,GGSN, IPWORKS,TSP

Juniper: M120,M320, SRX3600, ISG 2000, MX480, MX960, MX2010

Extreme: X440, X460, X620, BD 8000 series

Software and Tools

IP networking, IPv4,IPv6, Solaris 8, 9 & 10, Susi Linux, Unix, XP, FreeBSD

Protocol knowledge Diameter, Gx+,Gy+, Gb, Gn, Gi, Rx, SOAP/XML, DNS, TCP/IP,SS7, ATM, Sigtran

Scripting & Programming: PERL, SHELL scripting, AWK, PHP, XML

Office: Microsoft Visio, Microsoft Project, MS Word/PowerPoint/Excel

Education

Degree

Institution

Passing Year

Department

Result

Bachelor of Science (B.Sc.)

Rajshahi University of Engineering and Technology

2007

EEE

1st Class

References

Available on request

Contact this candidate