IT

Ismail Tozak

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Letztes Update: 10.01.2024

Technical Project Manager, Program Manager BSS, Management Consultant, Senior Consultant OSS/BSS

Abschluss: University
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (gut) | türkisch (gut)

Dateianlagen

CV_Tozak_Nisa_2020_mi.pdf

Skills

BSS,OSS, IoT, M2M, SIEM, GIS, Interfaces, network design, ITIL, JIRA / Confluence, HP Service Manager, Oracle, SID, eTOM

Projekthistorie

03/2017 - 12/2019
NB-IoT Product Management
Deutsche Telekom AG

Responsible for the Narrowband-IoT (NB-IoT) Introduction &
E2E Product Management.
* Creation of NB-IoT Product Concept
* Managed the technical readiness, integration and launch
* Design complete process landscape and proof of concept
with selected customers
* Coordinated and managed activities across business and
technical departments
* Integration in the Enterprise Access Architecture

01/2012 - 03/2017
Technical Project Manager
Deutsche Telekom AG

Project M2M - System Integration of the Comarch based M2M
enabling platform into the complex Deutsche Telekom's NT
and IT landscape. The platform is now serving national and
international retail and wholesale M2M customers. Tasks
included:
* Setup and Refine Overall Program
* Managed the technical readiness, integration and launch
of the M2M platform
* Coordinated and managed activities across business and
technical departments
* Managed vendor, led and coordinated workstreams
* Preparation and conducting cutover
* Managed the pilot customer phase
* Customer Onboarding in the automotive sector BMW and
Daimler

Tasks after the Go Live:
* Ensured system streamlining and Go Live stabilization
* Set up and coordinated Task Force core team
* Onboarding of Daimler AG




* Managed the M2M part of global Daimler cutover
* Escalation, risk and issue management
* Communication management
* Set up monitoring (systems, error handling) and reporting

08/2009 - 05/2010
Program Manager BSS
Vodafone Turkey

Set up and implement the entire PMO including program
organisation and processes (planning, reporting, risk & issue
management, vendor management) for mission-critical BSS
program. This included:

* Designed and implemented organization, governance,
tools, processes
* Change and stakeholder management
* Quality management, risk and issue management
* Planning & coordination of End-to-End process test and
friendly user test
* Management of masterplan, monitoring of dependencies
* Coaching sub-project leads and workstream leads
* Technical Project Manager for the Campaign Management
Release
o System Integration with Legacy Systems
o Setup Testing Team
o Overall Management of the Cutover

07/2007 - 05/2009
Management Consultant, Senior Consultant OSS/BSS
Türk Telekom A.S.

Telekom, Ankara as part of the Detecon team.




BSS/OSS Transformation Program aimed to replace the
legacy systems. Mission-critical Program project involving
approx. 80 project staff overall and comprising 12
workstreams.
* Led and coordinated PMO activities, i.e.
o Responsible for conceptual design, development
and implementation of PMO processes, tools and
organization interfacing with vendor (NSN,
Convergys)
o Responsible for planning, reporting, risk and issue
management
o Managed and monitored program progress,
milestone achievement, dependencies
* Support Turk Telekom in the As-Is- Analysis
* Requirement Analysis and Capturing
* Mapping Legacy Systems with NGOSS TAM Model
* Defining Cutover Strategy
* Setup of User Acceptance Test Management Team
o Definition Test Strategy
o Definition of Test Procedures
o Overall Management of the Test Process
* Creating Concept for Demand Management
* Definition of Interfaces CCBàIT-Operations

02/2007 - 06/2007
Project Manager
T-Systems Business Services GmbH

Expansion of broad band network for public telephone
* Support in network design and rollout
* Maintenance process definition
* Support of launch of new service

10/2005 - 01/2007
Technical Consultant / Operations
T-Online International AG / T-Com

Project T-One - Fixed Mobile Convergence Telephony
Product of Deutsche Telekom)
* Billing, Tariffs and Product Conception T-One
* Creation of bundled tariffs models and concepts for T-One
* Formulation of broad band billing requirements
* Creation of the call concept and call scenarios for T-One
* Definition of the requirements for implementing the voice
part on the NGN-O

09/2002 - 06/2004
Business Process Consultant
T-Online International AG / T-Com

Rollout ITIL based SLM process
Modeling and Conception of the Service Level Management
Process in coordination with involved business departments
* Conception of the Service Level Management (SLM)
Process
* Modeling and Conception of the Service Level
Management Process in coordination with involved
business departments
* Formulation of the process model based on ITIL
* Proof of Concept on the basis of selected mission critical
business processes
* Creation of roles and templates
* Contribution to the development of the Support Process"
Manage System Development" at T-Online International
AG

05/2001 - 08/2001
Project Manager IN Tender
Lucent Technologies

* Worked on the Intelligent Network (IN) tender for Türk
Telekom
* Developed the technical solution with experts in France
* Created the overall implementation planning
* Contact person and negotiation partner for technical/
implementation issues
* Created business cases with emphasis on revenue
generating services

01/2001 - 04/2001
Technical Consultant
Lucent Technologies

Customer Care and Billing (CCB) tender Aycell
* Coordination within Lucent Technologies of all activities to
elaborate a proposal for Billing & Customer Care
submitted to Türk Telekom A.S.
* Additionally in charge of business process concept
development for operation and maintenance issues as part
of the proposal
* Contact person for Türk Telekom and involved in technical
negotiations

08/1999 - 04/2000
Project Manager
Debitel

Migration of debitel prepaid customers to IN platform
* Review and gap analysis of the migration concept
* Creating migration planning
* Optimizing the migration duration
* User acceptance testing and coordination of go live
operation

08/1998 - 07/1999
Project Manager
T-Mobile

Replacement of Hot Billing based OPSC and migration of
vouchers to IN platform
* Setting up the project team and defining the work streams
* Creation of the RFI for the Voucher Management System
* Assistance in selecting vendor, creation short list
* Vendor Management
* Adaptation of the changed business processes

07/1997 - 07/1998
Project Manager
T-Mobile

Migration Prepaid System OPSC to IN
* Management and coordination of subcontractors (Orga,
HGS, Siemens)
* Review design documents and migration concept
* Test specification, conductance and evaluation as expert
and coordinator
* Coordination of parallel operation
* Assistance in the transition phase and coordination the go
live operation




Summarized Consultancy Experience:
Applications: * JIRA / Confluence
* Convergys CM/OM
* HP Service Manager
* Oracle Metasolv Inventory Management Suite
* Amdocs Mediation/Ensemble
* Oblicore SLA Management




Telecommunications: * Technologies und architectures for collection, mediation
rating and billing
* NGOSS principles, eTOM model, Tam, SID
* Resource provisioning, configuration and fulfillment
* Setting up RFP and RFI for Billing and IN platforms
* GSM- and GPRS system architectures and interfaces

Project Management: * Project and Risk Management
* International Project Experience
* Management of large scale data and platform migration
projects
* Team leadership and personnel management
* Conceptual and strategic competence

Techniques and * ITIL Certification
Practices: * Software Development

* Requirements Engineering
* NGOSS Principles, eTOM, TNA, RA, TAM, SID

Reisebereitschaft

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