Dipl.-Ing. Ivaylo (Ivo) Piskov

Planning and co-ordination of Signaling & Switching GSM-R Core Network Migration from R99 to R4 standard technology: STP, MSC/MSS, MGW, HLR, SMSC, IN. Projects: - GSM-R Core Network Migration from R99 to R4 (MSC Re-Invest) - SMSC Migration/Swap (SMSC Re-Invest) - T-Mobile Germany National Roaming – transition and optimization of core network interconnections - ENIR (I&R) Extension and Optimisation (ongoing sub-project) - BSS Migration/Swap - BBRC(LI) Migration/Swap

Responsible for project plan and execution of pre-GoLive BSS/OSS ITsystems tests in technology stack test environments

- Manage middle to large project directly with customers. Plan and co-ordinate project activities from initiation to closure. Track and monitor project execution. - Manage effective project implementation and delivery to ensure customer satisfaction. Maintain and update a database of project related documents. - Customer excellence and excellent project in-time delivery through stakeholders management. - Improve customer relationship by providing timely and accurate responses to their inquiries.

Responsible for thorough planning and execution of IT Infrastructure and Applications transition and transformation projects to their closing, as well as organizing post-transformation/transition service support outsourcing and knowledge transfer to third party.

- Management of implementation new services and technologies - Project management (Internal / Corporate). - Negotiation with suppliers, new tenders, contracts and projects preparation. - Team management – activity coordination, team motivation, company targets transformation to team tasks, work planning and controlling, attendance control, training and team education definition, responsibility for quality of internal and external processes

- Management of implementation new services and technologies - Project management (Internal / Corporate). - Negotiation with suppliers, new tenders, contracts and projects preparation. - Team management – activity coordination, team motivation, company targets transformation to team tasks, work planning and controlling, attendance control, training and team education definition, responsibility for quality of internal and external processes

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

Responsible for ooverall planning and development of configuration data for network elements, elaborate on HLD/LLD development, data and routing implementation.

Short Term assignment based 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 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 for the overall planning of the circuit switching core network, signaling/voice routing optimisation, planning and deployment of new service solutions, national and international roaming interconnections.

Responsible for the planning, operations and management of the circuit switching core network and national and international interconnections.

Short term project assignments to provide core network operations and maintenance services for Siemens SSS D900, perform specific HW/SW releases upgrades and implement patch-sets for SW corrections, identify shortfalls in switch capacity and suggest solutions by defining plans for network elements capacity expansion. Acted as authorized Siemens TAC2 support on-site during HW/SW upgrades, acceptance tests performance and collection of fault indices

Responsible for the daily operation and maintenance of a GSM network. Performed planning and implementation of various configuration data scripts, executed international roaming tests, monitored, analyzed and optimized all core network elements such as MSC, HLR, BSC, SMSC, IN. Collaborated with technical equipment vendor on the preparation and execution of network HW/SW upgrades to ensure the normal system availability and performance

Biomedical Microprocessor Engineering