Ivaylo Piskov - Senior Project / Rollout Manager

Q: Where is Ivaylo based?

Ivaylo is based in Frankfurt am Main, Germany .

Q: What languages does Ivaylo speak?

Ivaylo speaks the following languages: Bulgarian (Native), German (Advanced), English (Advanced), Russian (Advanced) .

Q: How many years of experience does Ivaylo have?

Ivaylo has at least 30 years of experience. During this time, Ivaylo has worked in at least 15 different roles and for 14 different companies . The average length of individual experience is 2 years . Note that Ivaylo may not have shared all experience and actually has more experience.

Q: What is Ivaylo's latest experience?

Ivaylo's most recent position is Senior Project / Rollout Manager at Deutsche Glasfaser GmbH .

Q: What companies has Ivaylo worked for in recent years?

In recent years, Ivaylo has worked for Deutsche Glasfaser GmbH , Telefonica O2 , and DB InfraGo AG .

Q: Which industries is Ivaylo most experienced in?

Ivaylo is most experienced in industries like Telecommunication and Information Technology (IT) .

Q: Which business areas is Ivaylo most experienced in?

Ivaylo is most experienced in business areas like Information Technology (IT) , Operations , and Project Management . Ivaylo also has some experience in Quality Assurance (QA) , Procurement and Purchasing , and Product Development .

Q: Which industries has Ivaylo worked in recently?

Ivaylo has recently worked in industries like Telecommunication .

Q: Which business areas has Ivaylo worked in recently?

Ivaylo has recently worked in business areas like Operations , Project Management , and Information Technology (IT) .

Recommended expert

Frankfurt am Main, Germany

Experience

Oct 2023 - Present

2 years 5 months

Senior Project / Rollout Manager

Deutsche Glasfaser GmbH

Manage and coordinate site design, deployment, new Core/DWDM implementation, and optimization of a robust and scalable fiber optic network infrastructure
Create high-level design (HLD) and low-level design (LLD) documents for core and aggregation network
Define scope of network elements and establish operational and deployment guidelines
Determine core-site strategy, integrate voice and ISP systems, and swap core components of 60 existing sites
Develop site design, execute proof of concept, and deploy additional core sites

Sep 2022 - Present

3 years 6 months

Senior Transition Project Manager

Telefonica O2

Manage data center cancellation, move-out, relocation and swap planning, coordination of execution and migration activities across functional entities and teams country wide
Stakeholder management and reporting for CROSSFiT Program: Data centers consolidation country wide
Lead FASTT Transition and Transformation program for transition of >100 OSS domain applications to outsourcing partners TechM and TCS

Nov 2015 - Present

10 years 4 months

Project Consultant for Core Network Engineering

DB InfraGo AG

Plan and coordinate core network swap and migration projects, monitoring and control of internal and subcontractor activities for swap and new site roll-out, network expansion, reconfiguration, and performance
Collaborate with stakeholders and vendors to solve complex dependencies and apply agile planning within the team
Develop detailed technical concepts, HLD and LLD for the GSM-R Core Network (vendor Kapsch/Kontron)
Plan and build configuration data for STP, MSS, MGW, HLR, SMSC, RVSt, BSS to enable new services and optimize signaling routing
Coordinate implementation and optimization of connectivity towards GSM-R partners and create technical concepts for national and international roaming
Build and validate data scripts, plan and manage implementation of new functionalities, features and services
Analyze core network performance and align with NOC on network performance optimization
Collaborate on writing and reviewing technical implementation processes and procedures

Mar 2015 - Oct 2015

8 months

Amsterdam, Netherlands

Technical Project and Delivery Manager

Liberty Global Inc.

Plan and deliver a stream of projects including pre-GoLive BSS/OSS IT-systems tests in technology stack test environments
Manage risks, issues, quality and dependencies
Perform resource planning and forecasting, coordinate HW components and SW version availability for JIT, UAT, PROD environments
Conduct change management to ensure environment readiness across affiliates
Prepare and manage detailed Go-Live plan for BSS/OSS systems and coordinate roll-out
Coordinate with operations teams to establish support model and incident management processes prior to roll-out
Act as central point of contact for corporate groups and affiliates to manage IT environment availability
Review progress with project teams, stakeholders and sponsors

Feb 2011 - Feb 2015

4 years 1 month

Sofia, Bulgaria

Technical Program and Project Manager

Hewlett Packard Enterprise

Plan and execute managed IT infrastructure and applications transition and transformation projects, delivering ahead of time and under budget
Ensure smooth execution through close control and risk mitigation, organize post-transformation service support outsourcing and knowledge transfer
Manage end-to-end global, cross-functional projects applying PMI/PMP, ITIL/ITSM, Waterfall and Scrum methodologies
Develop proof of concept for service transition
Prepare thorough project plans, coordinate team activities between clients and suppliers
Manage post-transformation, transition and go-live support activities, plan and manage service handover
Control and optimize service delivery performance against SLA, time, scope and quality

Jun 2010 - Feb 2011

9 months

Sofia, Bulgaria

Head of PM Core Network and Platforms

Vivacom

Lead a team of technical project managers for projects on circuit-switched and packet services core network and interconnected service platforms
Plan and manage project implementation activities, coordinate project team during execution
Manage core network implementation, multi-vendor interface verification testing and system acceptance testing from tender to implementation
Prepare RFQ/RFIs, conduct evaluation of tender offers, define planning requirements and prepare SLAs
Manage vendor contracts and procurement, set up integration process with network planning, site engineering and customer
Create and manage project plans for deployment of new services, perform resource planning and forecasting

Sep 2009 - May 2010

9 months

Sofia, Bulgaria

NSS CN/CS Senior Engineer & Project Manager

Vivacom

Analyze and optimize 2G/3G core network to increase service usage performance
Set up project integration process with network planning, site engineering and vendor teams
Design and build data for CS core network for roaming scenarios
Implement new functionalities, services and features and perform testing
Design and define new 2G and 3G core network circuit-switched products and features matching subscriber and external requirements

Jan 2009 - Aug 2009

8 months

Munich, Germany

Senior Consultant for Core Network Engineering

Telefonica O2 Deutschland

Provide integration, system validation and acceptance support of O2’s Release 4 3G network
Plan, check and optimize CS core network performance towards UTRAN
Analyze service impact during network expansions, upgrades and changes and provide mitigation solutions
Optimize and test new services in test lab prior to live network implementation
Support system integration, network configuration and fault analysis
Optimize CS core network performance by adjusting timers and parameters in STP, MSS, MGW, HLR, RAN

Sep 2006 - Dec 2008

2 years 4 months

Vienna, Austria

NSN CS Core Design and Implementation Expert

“3” Hutchison 3G Austria

Elaborate CS core network HLD and LLD
Plan and prepare configuration data for R4 Nokia CS (DX200 MSS/MGW/HLR)
Develop technical concepts for interconnectivity to mobile and fixed telco service providers
Write data scripts for CS core network elements and SS7/SIGTRAN routing changes
Develop detailed CS core network design and data build for SGSN integration
Coordinate configuration activities across internal departments
Perform pilot system SW upgrades and execute user acceptance tests for Nokia SGSN 3G, HP OpenCall HLR, VMS/SMSC Logica-CMG, IN Alcatel, Siemens-NEC RNC, Nokia RNC
Identify switch capacity shortfalls and provide network optimization plans
Provide technical support for systems integration, configuration, fault analysis and issue resolution

Jun 2006 - Aug 2006

3 months

Nantes, France

NSS CN CS-PS Senior Integration Expert

Alcatel France

Supervise integration of Alcatel BSCs into multi-vendor core network (Siemens, Alcatel, Nokia)
Validate interconnectivity between all network elements
Plan and coordinate BSC interconnectivity and interoperability with MSCs and SGSN
Provide training and coaching to local staff in SS7 and BSS/RAN implementation
Support system integration, operations management, configuration and fault analysis

Sep 2005 - May 2006

9 months

Sofia, Bulgaria

Project Implementation Manager & NSS Senior Engineer for UMTS Network Trial

Huawei Technologies Co. Ltd.

Plan, manage and supervise deployment of a trial UMTS core network (R4 MSS, MGW, HLR, RNC/NodeB, SGSN)
Develop project implementation plan and schedule, define resources and set up implementation team
Conduct full range of network integration and interoperability tests and validate interconnectivity between all elements
Act as direct interface to client and technical teams
Monitor, control and validate project deliverable quality and milestone achievement

Sep 2000 - Sep 2005

5 years 1 month

Vienna, Austria

NSS Senior Planning & Implementation Engineer, SS7/Voice Routing Expert

telering / T-Mobile Austria

Develop CS core network HLD and LLD, create detailed designs for interconnectivity to local mobile and fixed providers
Plan and implement data for mobile number portability (MNP), pilot and roll-out MNP solution
Develop GTT/SS7 routing concept, plan MSC/HLR capacity and SS7 extensions, implement configuration in HLR/VLR/MSC/SSNC
Plan and coordinate UMTS/GSM/GPRS core network interoperability and user acceptance tests
Consult and support GSM/GPRS teams in integration, operations, configuration and fault analysis
Identify switch capacity shortfalls and define CN expansion plans

Oct 1999 - Aug 2000

11 months

Zürich, Switzerland

Switching Network Manager (CS Services)

Sunrise Communications AG

Manage circuit-switched core network national and international interconnections
Compile and implement CS network detailed design for interconnectivity to telecom service providers
Provide operations and maintenance for CS core network
Identify and optimize switch capacity shortfalls and prepare network expansion plans
Support acceptance testing and fault index collection

Jul 1998 - Sep 1999

1 year 3 months

Munich, Germany

TAC1/2 O&M Project Engineer, SSS D900

Siemens AG

Provide core network operations and maintenance services for Siemens SSS D900
Perform HW/SW release upgrades and implement patch sets for SW corrections
Identify switch capacity shortfalls and plan network expansion
Act as authorized Siemens TAC2 support during HW/SW upgrades, acceptance tests and fault index collection

Sep 1995 - Jun 1998

2 years 10 months

Sofia, Bulgaria

NSS Operations and Maintenance Engineer

A1/Mtel

Daily operation and maintenance of a GSM network, plan and implement configuration data scripts
Execute international roaming tests, monitor, analyze and optimize core network elements (MSC, HLR, BSC, SMSC, IN)
Collaborate with equipment vendors on HW/SW upgrades to ensure system availability and performance

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Telecommunication (26.5 years) and Information Technology (4 years).

Telecommunication

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Operations (27.5 years), Information Technology (27.5 years), Project Management (17 years), Quality Assurance (1.5 years), Procurement (0.5 years), and Product Development (0.5 years).

Operations

Information Technology

Project Management

Quality Assurance

Procurement

Product Development

Summary

Technical project consultant with over 25 years of proven track of experience in international telecom, IT and manufacturing projects including Deutsche Glasfaser, Telefonica O2(DE), DB Netz/InfraGo, Liberty Global (NL), Three-3 (AT), telering/T-Mobile (AT), Vodafone (FR), Sunrise (CH), Qatar Telecom, Nokia, Siemens, Alcatel, Huawei, HP Enterprise, Vivacom (BG), Mtel/A1 (BG). Profound experience in project and program management with goal-focused project delivery on-time and on-budget. Strong international project experience in GSM/UMTS/GSM-R operations, network performance optimization, configuration data planning and implementation.

Considered to be pragmatic, result driven with precise attention on details and costs, a team player, very adaptable to changes and high level of resistance to compressive stress.

Skills

Provide Project Management Consultancy
Apply Project Management Best Practices (Pmi/pmbok) And Itil/itsm Management Processes
Deliver Projects Throughout Project Lifecycle, Ahead Of Time And Under Budget
Execute Risk And Change Management, Comprehensive Project Control
Deliver E2e Transition & Transformation Projects, With Focus On Out-/insourcing And Knowledge Transfer Of Managed Services, Including Technical Infrastructure, Operations And Maintenance
Setup And Manage Teams And Personal Activities, Define Key Performance Indicators
Manage Company Targets Transformation To Team Tasks, Plan And Provide Trainings To Teams
Precise Attention To Details And Cost. Handle Challenging Tasks In A Fast-paced Environment.
3g Circuit Switched Core Architecture, Nokia R4 Mss&msci / Hlr / U3c Mgw / Sgsn Experience, Hp Hlr Power Node, Siemens Msc/vlr/hlr Mobile Network Switches And A Knowledge Of Ewsd Fixed Network Switches, Huawei Mss/mgw/hlr Mobile Equipment R4
Plan, Prepare And Implement Of Inter-connectivity Between Various Network Systems Such As Stp, Mss, Mgw, Hlr, In/scp-systems, Sms-c Platforms, Vms, Rnc/bscs Of Access Network And Nodeb/bts
Collaborated In Set Up And Leading Of Project Management Office

Languages

Bulgarian

Native

German

Advanced

English

Advanced

Russian

Advanced

Education

Technical University of Sofia

Diploma – Engineer, MScEE · Biomedical Microprocessor Engineering; Telecommunications Engineering · Sofia, Bulgaria

Technical University of Sofia

Post-graduate course · Telecommunications Engineering · Sofia, Bulgaria

Technical University of Vienna

Electronic and Electrical engineering · Vienna, Austria

Certifications & licenses

Itil V3 - Itil/Itsm V3

Csme Inc.

Pmp/Pmi - Accelerated Training Program For Pmp Certificate Exam

Profile

Created

August 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Ivaylo based?

Ivaylo is based in Frankfurt am Main, Germany.

What languages does Ivaylo speak?

Ivaylo speaks the following languages: Bulgarian (Native), German (Advanced), English (Advanced), Russian (Advanced).

How many years of experience does Ivaylo have?

Ivaylo has at least 30 years of experience. During this time, Ivaylo has worked in at least 15 different roles and for 14 different companies. The average length of individual experience is 2 years. Note that Ivaylo may not have shared all experience and actually has more experience.

What roles would Ivaylo be best suited for?

Based on recent experience, Ivaylo would be well-suited for roles such as: Senior Project / Rollout Manager, Senior Transition Project Manager, Project Consultant for Core Network Engineering.

What is Ivaylo's latest experience?

Ivaylo's most recent position is Senior Project / Rollout Manager at Deutsche Glasfaser GmbH.

What companies has Ivaylo worked for in recent years?

In recent years, Ivaylo has worked for Deutsche Glasfaser GmbH, Telefonica O2, and DB InfraGo AG.

Which industries is Ivaylo most experienced in?

Ivaylo is most experienced in industries like Telecommunication and Information Technology (IT).

Which business areas is Ivaylo most experienced in?

Ivaylo is most experienced in business areas like Information Technology (IT), Operations, and Project Management. Ivaylo also has some experience in Quality Assurance (QA), Procurement and Purchasing, and Product Development.

Which industries has Ivaylo worked in recently?

Ivaylo has recently worked in industries like Telecommunication.

Which business areas has Ivaylo worked in recently?

Ivaylo has recently worked in business areas like Operations, Project Management, and Information Technology (IT).

What is Ivaylo's education?

Ivaylo holds a Master in Biomedical Microprocessor Engineering; Telecommunications Engineering from Technical University of Sofia, a Bachelor in Telecommunications Engineering from Technical University of Sofia and a Bachelor in Electronic and Electrical engineering from Technical University of Vienna.

Does Ivaylo have any certificates?

Ivaylo has 2 certificates. These include: Itil V3 - Itil/Itsm V3 and Pmp/Pmi - Accelerated Training Program For Pmp Certificate Exam.

What is the availability of Ivaylo?

Ivaylo is immediately available for suitable projects.

What is the rate of Ivaylo?

Ivaylo's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.