Martin Sommer

  

Independent Consultant & IT Project Manager, Scrum Product Owner, Independent Consultant

Location: Vienna, Austria / Wien, Österreich

Work experience

Convergys Germany / M-Net Munich , Billing analyst, functional consultant (HLD, LLD, all specifications)
October 2011 - March 2012, Munich, Bayern, Germany
Scope: ****** Scoping and Design Phase for Infinys RBM v5.3 implementation for wholesale, mobile, 3rd party billing and interconnect billing and retail and CRM and DOC1. Go-Live 31. March 2012 Roles: ****** Billing analyst, functional consultant (HLD, LLD, all specifications)

T-Systems Netherlands b.v., Project Manager, Solution Design Expert (architect)
August 2010 - September 2011, Eindhoven, Noord Brabant, Netherlands
Scope: ****** Migration of applications based on full landscapes from classic datacenters in the USA to DCS datacenters (Dynamic Computing Services) in Europe using a cloud computing concept with virtual machines and virtual LANs as SaaS (System as a Service). Project “non_SAP SaaS USA” Roles: ****** Project Manager for 9 parallel migrations, Solution Design Expert (architect) Migration architect (HLD, LLD, all specifications, SLAs, OLAs, strategy, management decision memos))

T-Systems / Deutsche Telekom AG, Solution- and migration architect for a very large scale data migration
October 2006 - August 2010, Darmstadt bei Frankfurt, Hessen, Germany
Scope: ****** Implementation of Infinys IRB and migration of 40 million subscribers and related data from legacy billing and CRM-system to Convergys RBM Project “Abili-T” Roles: ****** Solution- and migration architect for a very large scale data migration (HLD, LLD, all specifications, migration strategy, management decision memos)

Convergys EMEA Germany GmbH / Deutsche Telekom T-Online, Migration team lead , SME, Solution Architect, Scrum Product Owner
September 2005 - September 2006, Darmstadt bei Frankfurt, Hessen, Germany
Scope: ****** E2E Implementation of Infinys IRB 4.2 for internet services to replace the legacy system “Portal Infranet”, Migration of all T-Online subscribers and their products, Volume: 1000 million records (plus usage data) in a migration time window of four days Projects “NewTOn”, “Spring4NewTOn”, “MT²”, "MCCR" Roles: ****** Migration team lead Lead solution architect Functional consultant Subject Matter Expert Data-migration Expert Major role in overall E2E and solution architecture (HLD, LLD, all specifications, migration strategy, management decision memos) All tasks of the role SCRUM Product Owner

Convergys EMEA / Romtelecom, Migration Manager and team lead, Scrum Product Owner, ITIL Change Management
May 2004 - August 2005, Bucharest, Romania
Scope: ****** Implementation of Infinys IRB 3.x for fixed net and data migration from 40 different legacy systems Roles: ****** Business, system- and requirements analyst, Solution architect Migration Manager and team lead Performance test team lead, ITIL Change Management (HLD, LLD, all specifications, POC (proof of concepts), migration strategy, management decision memos) All tasks of the role SCRUM Product Owner

Proximus, Belgacom Mobile , Head of Testing
October 2003 - April 2004, Brussels, Belgium
Scope: ****** Kenan Arbor Billing implementation project for mobile telephony and all related services Roles: ****** Head of testing, Capacity Management, hw-procurement

Portugal Telecom, Systemas de Informacao, Head of solution architecture
January 2003 - April 2004, Lisboa / Lisbon, Portugal
Scope: ****** Implementation of the billing system Convergys Geneva 5.2 together with Siebel customer care system as replacement of 20 regional systeme, to a convergent billing for all services (internet, cable TV, telephony), Roles: ****** Head of solution architecture Subject Matter Expert (HLD, LLD, all specifications, management decision memos) ITIL Change Management SCRUM Product Owner

MaxBill Ltd. / Telekom Austria, Functional and technical business & systems analyst, requirements analyst Solution architect (HLD, LLD, all specifications), SCRUM Product Owner
April 2003 - October 2003, Vienna, Austria
Scope: ****** Implementation of the billing-system Maxbill as replacement of legacy billing-system for data billing (Datakom AS/400) as phase 1 of project “Billing neu” Roles: ****** Functional and technical business & systems analyst, requirements analyst Solution architect (HLD, LLD, all specifications), SCRUM Product Owner

T-Online International AG, Project Manager
June 2002 - January 2003, Darmstadt bei Frankfurt, Hessen, Germany
Scope: ****** Manage all requirements to the billing landscape including PORTAL INFRANET and all pre/post-systems E2E in all areas. Project Manager for a migration project and a radius-server bulk provisioning project and others Roles: ****** Requirements manager billing Project Manager for several small projects in parallel, like Radius server bulk-provisioning, T-Online premium services, IKSA 2.0 All tasks of the role “SCRUM Product Owner”

Orange Mobile, Functional and technical business & systems & requirements analyst
July 1997 - May 2002, Vienna, Austria
Scope: ****** Startup - Implementation of CABS2000 as internim billing-system and invitation to tender for a billing system to deal with GPRS billing. Running the project with the winner of the tender Geneva Technology Ltd. (now Convergys) for GPRS billing (Geneva 4.1) including data migration Implementation of the billing-system Geneva 4.2 to 4.5 as replacement of the legacy system CABS2000 to a convergent billing for all services (mobile phone services incl. GPRS and UMTS and fixed net, as well as internet services and premium services) including data migration Roles: ****** Business requirements analyst Functional and technical business & systems-analyst Migration architect (HLD, LLD, all specifications, test cases, migration strategy)

Orange Business Services, Head of Voice-Billing & Inhouse IT
October 1997 - June 1999, Vienna, Austria
Setting up a new datacenter and voice switch from scratch, move most of existing IT to the new DC site Voice Billing (functional, technical and operational) for Austria (Billing-platform ARAVIS)

Virgin Retail, Business Analyst, Requirements manager Retail
January 1992 - September 1997, Vienna, Austria
Scope: Implementation of a retail information system: Order, sales, warehouse, goods receiving and cash desks based on IBM AS/400, OS/400, RPG Development and implementation of a finance and accounting system based on IBM AS/400 and JD Edwards, OS/400, RPG fitting to the retail information system introduced earlier Roles: Functional and technical business & systems & requirements-analyst Solution architect (HLD, LLD, all specifications)