Andrei Marinescu
Reading
Summary
Accomplished professional with a proven track record of providing strategic steer and governance. Consistently drive transformative business implementations for high-performing organizations. Head of Service Design and Transition at Walmart, overseeing the eCommerce Tower. Played a pivotal role in the world's largest Divestiture Program, separating ASDA from Walmart. Trailblazer in establishing the Service Design and Transition function within Walmart. Defined the role and fostered operational excellence through initiatives like the Operational Excellence forum and Monthly Service Review. Focus on safeguarding decommissioning of old systems and facilitating migration for multi-million-pound initiatives. Bring a unique blend of strategic vision and hands-on experience. Proficient in managing stakeholders and third-party vendors, ensuring a seamless transition with minimal disruption. Thrive under pressure, effectively managing resources, budgets, and teams to deliver successful outcomes.
Overview
14
14
years of professional experience
Work History
Head of Service Design and Transition
Walmart
06.2022 - Current
- Spearheaded the establishment of the Service Design and Transition (SD&T) function within Walmart, a pivotal role that had not existed in the organization before.
- Orchestrated the seamless integration of Salesforce SFSC Service Cloud into the operating model
- Currently providing leadership and governance for the world's largest Divestiture Programme, overseeing the strategic separation of ASDA from Walmart.
- Implemented and managed new Operational Excellence forum, conducting weekly discussions on Incidents to enhance operational efficiency within the eCommerce Tower.
- Instituted and orchestrated a Monthly Service Review, delivering valuable insights to ASDA partners regarding the treatment of Incidents throughout the current month.
- Played a key role in defining and shaping the SD&T landscape within Walmart, contributing significantly to the success of the divestiture process.
Registration SME
Truphone
05.2021 - 06.2022
- Engineering design and architecture of HSS/HLR/EIR hardware, services and features
- Deploying solutions in lab and production environments
- Performs end to end project planning and delivery
Senior Core & IMS SME
Telefonica O2
11.2020 - 05.2021
- IMS Core Authority responsible for design and support of O2’s VoLTE IMS Core Network
Service Design and Transition Manager
Virgin Media
05.2019 - 09.2020
- Streamlined transition processes by implementing effective project management methodologies and communication strategies.
- Identified potential risks and developed mitigation strategies to ensure smooth transitions with minimal impact on business continuity.
- Monitored progress of ongoing transitions, identifying potential bottlenecks and implementing solutions to maintain project timelines.
- Applied problem-solving abilities to address unforeseen challenges that arose during the course of transition projects effectively.
- Successfully governed the recovery of a multi-million-pound project portfolio to ensure delivery Virgin's Voice over IP (21CV) for Consumer and Business, enabling a more efficient trajectory for Virgin telecommunications and substantial revenues gains.
Technical Delivery Manager/Project Manager
Virgin Media
06.2018 - 04.2019
- Successfully integrated and delivered the Emergency Back Up Line (EBUL), Emergency Call Handling (ECH) and Virgin Media Business Care and Bels (VMB Care) among others which represented multi-million-pound projects
- Developed and successfully ran the Proof of Concept for ECH, establishing baseline performance indicators and budget for implementation within the Virgin Media UK estate.
- Met challenging deadlines through efficient task delegation, prioritization, and tracking of project milestones.
- Implemented activities, coordinated third-party vendors, managed stakeholders, disseminated communication on key aspects of the project and acted as IT’s central point of contact with respect to other corporate groups
- Prepared the project plan for multiple workstreams, including key milestones & dependencies
- Coordinated design reviews to ensure an intuitive interface and enriched customer journey in line with GDPR.
- Financial and budget management, mitigating against overspend and ensuring value for money.
IMS Core Consultant
Huawei Technologies
06.2017 - 06.2018
- Designed, implemented, and delivered the new Tactical Interconnect that linked the Virgin Media 21CV IMS network with BT.
- Subject Matter Expert for the Core IMS area effectively planning and managing the activity of 6 Consultants with the purpose of maintaining, changing, and uplifting the IMS platforms and services.
- Worked within an ITIL framework for the Huawei Managed Service Operations Centre on the Virgin Media UK IMS network used for VoIP delivery.
- Project Design and Scheduling to meet technical and business objectives.
- System Integration and Testing for compliance with relevant objectives
Senior Core Consultant and Subject Matter Expert
Nokia
02.2016 - 06.2017
- Technical Authority on Core Network Elements for the Romanian based Team for the Armani Project.
Service Design and Transition Manager
Vodafone
01.2013 - 02.2016
- Streamlined transition processes by implementing effective project management methodologies and communication strategies.
- Monitored progress of ongoing transitions, identifying potential bottlenecks and implementing solutions to maintain project timelines.
- Identified potential risks and developed mitigation strategies to ensure smooth transitions with minimal impact on business continuity.
- Managed multiple simultaneous transitions, ensuring timely completion and minimal disruption to business operations.
NSS Core Network Engineer
Orange
01.2012 - 01.2013
- Developed customized training programs for junior engineers, increasing their understanding of core network technologies.
- Contributed to the successful completion of high-profile projects, working closely with stakeholders to define requirements and deliver results on time and within budget constraints.
- Mentored new hires in company policies, procedures, and technical skills required for Core Network Engineering roles.
Network Supervision Engineer
Orange
12.2010 - 01.2012
- Improved system performance by analyzing and optimizing engineering processes.
- Analyzed data to identify trends and inform future engineering projects.
Education
Master of Science -
Polytechnical University of Bucharest
06-2012
Skills
- SIAM
- ITSM
- ITIL v4
- Project
- Programme
- Risk Management
- Delivery
- Leadership
- QA
- Budget
- SAP
- SLAs
- IT Readiness
- Business Readiness
- Operational Readiness
- Project Management
- Technical Delivery
- Change Management
- Systems Integration
- Process Optimization
- RAID Management
- Release Management
- DevOps
- PRINCE2 Methodologies
- Stakeholder Management
- Business Transformation
- Disaster Recovery
- System Transitioning
- Agile Methodologies
- Waterfall Methodologies
- Migrations
- Supplier Management
- Integration Management
- Resource Management
- Service Management
Educationandprofessionaldevelopment
- ITIL Foundation, 2014
- Cisco Certified Network Administrator, 2012
- Master of Science and Bachelor’s degree in engineering, 2012
Languages
English
Full Professional
Romanian
Native or Bilingual
French
Elementary
Timeline
Head of Service Design and Transition
Walmart
06.2022 - Current
Registration SME
Truphone
05.2021 - 06.2022
Senior Core & IMS SME
Telefonica O2
11.2020 - 05.2021
Service Design and Transition Manager
Virgin Media
05.2019 - 09.2020
Technical Delivery Manager/Project Manager
Virgin Media
06.2018 - 04.2019
IMS Core Consultant
Huawei Technologies
06.2017 - 06.2018
Senior Core Consultant and Subject Matter Expert
Nokia
02.2016 - 06.2017
Service Design and Transition Manager
Vodafone
01.2013 - 02.2016
NSS Core Network Engineer
Orange
01.2012 - 01.2013
Network Supervision Engineer
Orange
12.2010 - 01.2012
Master of Science -
Polytechnical University of Bucharest