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Subhajit Mazumdar

Senior Technical Engineer

Summary

Highly-motivated, pro-active individual with exceptional Liaison & Leadership Abilities thriving in a fast-paced, results-oriented business environment. Holding a rich experience of 5.5 years in CRM, Charging & BillingNetwork Inventory Management, Order Management, Network Planning, Training & Development & versatile experience in OSS/BSS projects primarily in testing and business requirement collection; across various N/W’s like 2G, 3G, CDMA, LTE, FTTx, PSTN, ADSL etc.; with world’s leading Telecom operators such as VIVA Bahrain, DIGI Telecommunications(Malaysia), ETHIO Telecom, Togo Telecom and Smart Telecom. Skilled in handling Voice Network Operations, identifying Operations / Process Control Enhancement opportunities, escalate significant issues identified & proposed manner of resolution. Dynamic in Multiple Team Management, take up initiatives; guide the teams & managing workforce to optimize daily output. Mapping Client's Requirements and providing customized, viable, quality & cost effective solutions in liaison with cross-functional activities.

Professional History

Senior Technical Engineer

Huawei Technologies Pvt. Ltd.
Jun 2011Present
  • Delivered end to end BSS/OSS projects as Tech Lead.
  • In 5 years of Experience worked over many projects in many countries (e.g. RomaniaChina, Bahrain, Ethiopia etc) across Europe, ASIA and African Continents with various customers (telecom operators).
  • Have enriched knowledge of various phases of testing
  • Experienced in working on various BSS/OSS components
  • CRM :-- Siebel CRM, Huawei CRM
  • Charging & Billing system : -- Huawei CBS 5.5, Oracle BRM
  • Middleware:-- AIA 10v, AIA 11v
  • Order Management:-- Oracle OSM (order and service management) system, Metasolv M6
  • Provisioning :-- Huawei Provisioning System, ASAP
  • Very Good Experience in Telecom Domain (3G,LTE,Fixed Line, BroadBand, ISDN, PBX)

  • Worked on many Testing Tools  like PL/SQL,SOAP UI, EmulSSP, Auto Service, IDT and Management Tools as TMSS,JIRA,DTS and IRTT

  • Possess very good communication skill with customers

Project Summery

In my 5 years of career as an engineer I have worked in various projects with various customers (mentioned below).

Project

Customer

Work Location

You Mobile Baas Hosting Project

You Mobile telecom Spain

Bucharest Romania

Ethio Telecom Expansion project

Ethio Telecom

Addis Ababa, Ethiopia (1.5 years)

VIVA NGBSS Project

VIVA

Nanjing, China (1year) & Bahrain (3 months)

Smart Telecom Project

Smart Telecom (Cambodia)

India (3 months)

Asia convergence DiGi convergence Project

DiGi Telecom (Malaysia)

India (4 Months)

TGT BSS/OSS Project

Togo Telecom

India (11 months )

PROJECT 1: Sep 2016 - TILL DATE

Project Name You Mobile Baas Hosting Project
Customer You Mobile telecom Spain
Role and Responsibility
  • Worked as Test Lead and TTL for the project.
  • Actively involved in various BSS system (CRM, Billing, Middleware) installation.
  • Clarifying the GAP between implementation and requirements with Solution Architect.
  • Guiding Test team about execution of test cases.
  • Actively involved in discussion with component teams for proper implementation of requirement and defect analysis.
Project Description

The goal of the project was replace the old legacy system with Huawei NGBSS solution for more effective usage of its telecom resources and increase of its revenue.

The Huawei NGBSS solution is  also to establish a more reliable and flexible  charging and billing system to compete in the competitive market of Spain

Key BSS/OSS Components involved Huawei CBS 5.5, Huawei CRM, IPCC, Huawei Provisioning System, Huawei Mediation, ESB
Technologies Involved 3G, LTE

Project 2: dec 2014 - till date

Project Name Ethio Telecom Expansion project
Customer Ethio Telecom 
Role and Responsibility
  • Worked as BSS Tech Lead.
  • Analysing new requirements for Fixed Line & GSM and clarify them with customer.
  • Requirement transfer to RnD team for proper implementation.
  • Managed BSS test teams (5 teams) and actively directed them regarding test execution with customer.
  • Actively involved commercial launch of 3G, LTE, Fixed line (PSTN/ADSL) with new Huawei BSS solution.
  • Made plan for test plan for various type of testing (e.g. InterOperabilityTesting, End to End testing, SystemTesting, functional testing etc.) and discussed with customer.
  • Guided test team to effectively execute testing with customer and complete it on time.
  • Also involved in discussion with customer for various non-functional requirements and its testing ( Reliability, Security, Backup testing etc.) 
Project Description
Key BSS/OSS Components involved Huawei CBS 5.5, Huawei CRM, IPCC, Huawei Provisioning System, Huawei Mediation
Technologies Involved 3G, LTE

Project 3: oct 2014 - dec 2014

Project Name Smart Cambodia Project
Customer Smart Telecom (Cambodia)
Role and Responsibility
  • Worked as IOT lead for the project.
  • Actively involved in the issue tracking and monitoring the test quality.
  • Clarifying the GAP between implementation and requirements with Solution Architect.
  • Guiding Test team about execution of test cases.
  • Actively involved in discussion with component teams for proper implementation of requirement and defect analysis.
Project Description

The goal of the project was replace the old legacy system with Huawei BSS for more effective usage of its telecom resources and increase of its revenue.

The Huawei BSS solution is not only to increase its revenue but also to establish a more reliable and flexible  charging and billing system to compete in the country's emerging market.

Key BSS/OSS Components involved Huawei CBS 5.5, Huawei CRM, IPCC, Huawei Provisioning System, Huawei Mediation, Huawei PRM
Technologies Involved 3G, LTE

project 4: Apr 2013 - SEP 2014

Project Name VIVA NGBSS Project
Customer VIVA 
Role and Responsibility
  • Worked as test lead 
  • Actively involved in test planning/coordination with customers
  • Clarifying issues with customers during testing phases
  • Tracking and analysing issues with implementation team in RnD
  • Groomed RnD test team for the oracle BSS components( AIA 11g, Siebel CRM, OSM etc.) 
  • Monitored Performance Testing and Inter Operabilty Testing 
Project Description

The objective of the project was to replace oracle billing  system(BRM) with Huawei billing system(CBS 5.5)while upgrading the other oracle BSS modules(AIA 11g, OSM, Siebel CRM etc.)

For the first time Huawei Billing system was integrated with so many 3rd party BSS components to equip  the customer with an efficient prepaid charging system. 

Key BSS/OSS Components involved Huawei CBS 5.5, Huawei CRM, IPCC, Huawei Provisioning System, Huawei Mediation, Huawei PRM
Technologies Involved 3G, LTE

project 5 : nov 2012 - mar 2013

Project Name Asia convergence DiGi convergence Project
Customer DiGi Telecom (Malaysia)
Role and Responsibility
  • Worked as IOT lead for the project.
  • Analysing Inter Operability (between Huawei BSS and 3rd Party system) requirement and clarify it with customer
  • Involved in the reviewing test design process
  • Groomed test team members about the MVI (multi vendor integration) test design and execution process.
  • Delivered completed set of MVI test cases which involved 64 third party system interfaced Huawei BSS
Project Description

The objective of the project was to replace the ZTE BSS and OSS with complete Huawei BSS solution and provide a high integrated billing and charging system. 

This Project was involved with interfaces of 64 3rd party systems with Huawei BSS.

The Business / Operations Support Systems has suite of systems to cater to the end-to-end business of DiGi Telecom. The major systems are listed above.

Key BSS/OSS Components involved Huawei CBS 5.5, Huawei CRM, IPCC, Huawei Provisioning System, Huawei Mediation, Huawei PRM
Technologies Involved 3G, LTE

project 6 - nov 2011 - oct 2012

Project Name

TGT Telecom BSS/OSS

Customer

Togo Telecom

Role and Responsibility

  • Worked as a End-to-End tester
  • Worked closely with the BA team for IOT requirement and case design
  • Actively involved in walkthroughs, peer reviews
  • Involved in defect management, bug reporting and tracking the defect status until closure
  • Worked on Inter Operability Testing and Log Capturing of each execution for Test Result preparation for higher management

Project Description

TGT telecom is Govt Organization in LOME, Togo which provides CDMA as well as PSTN connections.

Huawei Offered to replace the existing System to New Systems which will not only increase the revenue for the Organization but also help them for Competition in the African Market.

Requirements were gathered as well System Architecture was made. Development as well as Testing was done from offshore as well as testing at Onsite for UAT and IOT was planned.

Key BSS/OSS Components involved

Siebel CRM ,AIA, Oracle BRM,M6,ASAP,Huawei Provisioning and  Mediation system

Education

Bachelor of Technology

Academy of Technology
Jul 2007May 2011

Electronics and Communication Engineering with 80.5%