• Responsible to manage and co-ordinate sites design, deployment, new Core/DWDM implementation, and optimization of a robust and scalable fiber optic network infrastructure for Deutsche Glasfaser
• The project involves creating high-level design (HLD) and low-level design (LLD) documents
• of the core and aggregation network, defining the scope of network elements, establishing operational and deployment guidelines, determining core-site strategy, integrating voice and ISP systems, swapping core components of 60 existing sites, developing site design, executing proof of concept, and deploying additional core sites

• CROSSFiT Programm: Data centers consolidation country wide
• Responsible for the management of data centers cancelation, move-out, relocation and swap planning and co-ordination of execution and migration activities across functional entities and teams country wide; stakeholders? management and reporting
• FASTT Transition and Transformation program
• Leading the project of transition of >100 selected
• OSS domain applications to designated outsourcing partners (TechM and TCS). Overall transition project and stakeholders? management

Responsible for core network swap and migration projects by conducting planning, execution, monitoring and control of internal and subcontractor activities for swap and new sites roll-out, network expansion, reconfiguration, and performance

• Project planning and delivery for a stream of projects including management of pre-GoLive BSS/OSS IT-systems tests in technology stack test environments
• Managed risk & issues, conducted quality and dependencies management
• Performed resource planning and forecasting
• Coordinated the required HW components and SW versions availability for JIT, UAT, PROD environments
• Conducted change management to deliver readiness of all environments across affiliates
• Prepared and managed a detailed Go Live plan for BSS/OSS systems and coordinated its roll-out
• Coordinated, controlled and collaborated with operations teams to setup and ensure a clear Support Model and Incident Management processes are prior to roll-out
• Engaged in vendor discussions as well as technical discussions with Architecture, IT and service delivery teams
• Acted as central point of contact for corporate groups and affiliates to manage IT environments availability
• Regular activities progress review with project teams, stakeholders and project sponsors

• Leading a team of technical project managers to manage dedicated projects for circuit switched and packet services core network and interconnected service platforms
• Planed and managed project implementation activities and co-ordinate project team during project execution
• Responsible for planning, organizing and managing Core Network Implementation, Multi Vendor Interface Verification Testing and System Acceptance Testing in the customer project from tendering phase to actual implementation
• Prepared RFQ/RFIs for vendors and conducted evaluation of Tender offers
• Defined planning requirements and prepared SLAs
• Managed vendor contracts and procurement
• Set up project integration process with Network Planning, Site Engineering and Customer
• Created and managed project plans for the deployment of new services or projects
• Resource planning and forecasting
  

• Analyzed and optimized 2G/3G core network to increase network services usage performance
• Set up project integration process with network planning, site engineering and vendor teams
• Designed and build data for CS core network for roaming scenarios
• Implemented new functionalities, services and features implementation and testing
• Designed and defined new 2G and 3G Core Network circuit switched products and features that match subscribers and external customer requirements

Short Term assignment to provide support for core network performance analysis and optimization after overall R99 to R4 network swap

• Planned and prepared configuration data for network elements such as R4 Nokia CS (DX200 MSS/MGW/HLR)
• Developed technical concepts for interconnectivity to mobile and fixed telco service providers
• Wrote data scripts for CS core network elements and SS7/SIGTRAN routing changes
• Developed detailed CS core network design and data build for SGSN Integration
• Coordinated the configuration activities of network elements across internal departments
• Performed pilot system SW upgrades and execute user acceptance tests for Nokia SGSN 3G, HP Open Call HLR, VMS/SMSC Logica-CMG, IN Alcatel, Siemens-NEC RNC, Nokia RNC
• Identify shortfalls in switch capacity and provide plans for network optimization
• Provided technical support in the execution of new systems integration, configuration, fault analysis and provided workaround and solutions to resolve problems

Short Term assignment based in Nantes and Lyon, France to supervise the integration of Alcatel BSCs into multi-vendor Core Network (Siemens, Alcatel, Nokia) and validate the working interconnectivity between all network elements

Short term project assignment based in Sofia, Bulgaria to plan, manage, supervise the deployment of a trial UMTS(3G) network and handover the functional network to local mobile operator during the 3G bid phase

• Responsible the roll-out of the UMTS trial core network (R4 MSS, MGW, HLR, RNCNodeB and SGSN) delivered by Huawei
• Planned and coordinated the full range of network integration and interoperability tests
• Developed project implementation plan and schedule.
• Planned and defined resources, setup the project implementation team
• Validated the working interconnectivity between all network elements
• Acted as direct interface to the client and all technical implementation teams
• Monitored, controlled and validated project deliverables quality is achieved and all milestones met project requirements and acceptance criteria
  

• Created plan for data implementation data and network optimization
• Created and implemented of CS Core Detailed Designs for interconnectivity to local mobile and fixed telco service providers
• Planned and develop project specific data for Mobile Number Portability (MNP) and implement Pilot MNP scenarios for acceptance tests. Roll-out the general MNP solution
• Developed a detailed GTT/SS7 routing concept and planned MSC/HLR capacity and SS7 extensions within the core network. Responsible for routing configuration data and its implementation in core network elements HLR/VLR/MSC/SSNC
• Planned and coordinated UMTS/GSM/GPRS core network interoperability for core network referenced equipment: RNC/BSC, SGSN 2G/3G, SMS-C, IN, VMS and user acceptance testst
• Consulted and supported GSM/GPRS teams in the execution of system integration, operations, configuration and fault analysis
• Identified shortfalls in switch capacity, defining plans for CN expansions and management of the technical aspects of the implementation
  

• Compiled and implemented CS network detailed design for interconnectivity to local telecom service providers
• Provided operations and maintenance to the CS core network
• Collaborated on identification, analysis and optimization of shortfalls in mobile and fixed switches capacity by preparing plans for network elements expansion
• Provided direct support during acceptance tests performance and collection of fault indices