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George Zengin

Billing Specialist / Senior Business Analyst / Product Catalog Expert


Highly proficient and skilled Information Technology professional with a wide range of experience in the IT industry, including but not limited to Systems Architecture, Pre-sales (Sales Engineering), Business Analysis, Project Management, Development team leadership and in the Telecom industry in particular, designing and building solutions for Product Catalog, Billing, Rating, Customer Care (CRM) & Revenue Assurance sub-domains.

Proven leadership skills through extensive experience involving managing, developing and motivating teams.

Great communication skills with a proven ability to work with all levels of customer, management,
stakeholders and staff.

Key personal skills:

  • First-class analytical, design and problem solving skills.
  • Great communicator and relationship builder, especially in multi-cultural, multi-language environments as result of extensive experience in different countries and continents.
  • Excellent interaction with customers and team mates.
  • A dynamic and quick learner with high discipline and motivation, a great team player.

Work experience

System Analyst & Programmer

Uruguay's Customs Authority

Design, development and implementation of a solution for Customs Import Permits, in collaboration with Malam Systems(Israel).

Environment: IBM mainframe(IBM4341/MVS), COBOL/CICS/SQL. 

Jan 2011Aug 2013

Senior Business Analyst

Telia Denmark

Telecom Billing business analyst and specialist consultant. Design solutions for Telia Denmark's billing system and provide ongoing support activities for their Amdocs' Ensemble based billing system, formulate change requests according to business stakeholders, perform thorough requirements gathering and analysis, do feasibility studies for new functionality, link with product managers and stakeholders assisting marketing through the launch of new products and solutions to the market.

TeliaSonera is a world class innovator and pioneer in the implementation and marketing of new mobile technologies and services.

Sep 2010Dec 2010

Revenue Assurance Consultant

Ericsson - Brazil

Revenue Assurance consultant - Design & implement solutions Ericsson using cVidya's MoneyMap at Vivo, Sao Paulo, Brazil, a company with 50M+ subscribers.

May 2009Jun 2010

Solution Architect


Solution Architect for cVidya at São Paulo, Brazil.

Design & implement solutions for cVidya's' s MoneyMap projects for  customers Vivo and Telefonica Brasil.

Perform pre-sales activities in the region for new & potential customers.

Perform customer requirements gathering and analysis, promote change requests with the customer, solution design & implementation of the agreed solution as part of the on-site implementation team, in collaboration with Ericsson consulting division.

Full coordination of all related implementation activities with cVidya's management headquarters in Israel.

Oct 2008Mar 2009

Solution Designer at T-Mobile, UK.


Design & implement solutions for Amdocs's Excalibur project. Requirements gathering and analysis, promote change requests with the customer, solution design & implementation of the agreed solutions as part of the implementation & development team on site, while communicating with the different development centres worldwide.

Feb 2008Oct 2008

Senior Business Analyst

T-Mobile, UK

Rating Enabler project - Assist T-Mobile in the implementation of the Post-paid consolidation project, a project for the consolidation of all the different rating systems into a single solution using the Convergent Rating Enabler product from Alcatel. Work in close relation with the vendor, testing team and project teams. I specifically provided T-Mobile with migration scripts to convert their reference data(from EPC) to Alcatel's specifications.

Nov 2006Feb 2008

Product Catalog Implementation Consultant at T-Mobile, UK


Responsible for the analysis, design and implementation of their business requirements into the Amdocs Product Catalogue (APC) which is part of the Rating system of the Excalibur project. Provide support for day to day tasks with close links to the customer (BAU), support new version releases and liaise with the Amdocs development centre overseas.

Dec 1999Nov 2005

Billing Expert / Senior Group Leader

Telkom SouthAfrica

Responsible for the design and implementation of billing solutions, starting from requirements analysis through to resource management, planning, development, testing and delivery phases. 

Managing a team of developers all the way up to the successful completion of their tasks in the required time frame and within budget, with high quality and minimal risk. Engage and assist in Amdocs' pre-sales activities in Africa. Deliver presentations of new solutions to existing and potential customers.

Sep 1997Dec 1999

Team Leader


Team Leader at Amdocs Development Centre in Haifa, Israel. Responsible for the analysis, design, development and implementation phases of the Price Plan module for Amdocs' Ensemble billing system. Creation and management of the Price plan development team for the different projects, perform knowledge transfer and training at different projects in different locations.

Sep 1991Aug 1997

Head of R&d

SilverByte Systems Ltd.

Head of R&D department at Haifa, Israel. Implementation, maintenance and periodical renovation of the company's development resources, main developer of the commercial products and internal applications, responsible for their integration with third party products. Define customers' needs in terms of hardware, networks and configuration. The company specializes in the production of complete front office systems for hotels, including interfacing with PBX's and integrating with third party systems (POS, call accounting).


Feb 1985Dec 1989

IT Systems Analyst & Programmer

University of the Republic


Spoken Languages 
Spanish (mother language) Hebrew (fluent)  English (fluent)  Portuguese(fluent)  Italian (basic)  French (basic)
Computer Languages
SQL, PL/SQL, Visual Studio, PowerBuilder, C, C++, COBOL(CICS), Clipper, Pascal(Turbo & ANSI, Delphi), Basic Databases Relational(Oracle, Sybase, DB2, MySQL), others(dBase, Access)
Office Suite, Project, Visio, Quality Center