Leon S.

Consultant

Frankfurt am Main, Germany

Experience

Nov 2023 - Jul 2025
1 year 9 months

Consultant

Telefónica Germany

  • Analyzing and decommissioning payment-related functions in the existing financial system
  • Defining requirements
  • Conducting tests
  • Preparing data for integration into SAP S/4HANA
  • Defining and aligning business requirements for adapting the existing system
  • Creating a structured requirements document for IT implementation
  • Developing and executing test cases to validate the new system functions
  • Analyzing and preparing existing data for migration to SAP S/4HANA
Apr 2022 - Sep 2023
1 year 6 months

Project Manager

Telefónica Germany

  • Coordinating and prioritizing actions to optimize telesales performance
  • Creating, optimizing, and automating reports to monitor and manage sales targets
  • Supporting daily operations in the Retain team to relieve worktype managers
Jul 2020 - Sep 2022
2 years 3 months

Consultant

Telefónica Germany

  • Coordinating and prioritizing actions to improve data quality and optimize system functionality
  • Aligning system requirements with stakeholders from the involved departments and coordinating the subsequent implementation
  • Preparing and presenting regular reports to the client
  • Supporting daily operations in the Real Estate team to relieve SMEs
Sep 2019 - Jun 2020
10 months

Consultant in project team (4 FTE)

Telefónica Germany

  • Project management to support coordination and implementation of the migration to SAP RE-FX and concurrent data cleanup activities
  • Point of contact for cross-functional questions in Real Estate Management regarding SAP (RE-FX)
  • Preparing regular reports for the client and ensuring the timeline while considering the defined milestones
Jan 2019 - Jun 2019
6 months

Interim Project Manager Campaign Management (Online)

1&1 (United Internet AG)

  • Managing a stream to optimize product management processes to accelerate online product launches
  • Leading and coordinating a core team (~10 FTE) to identify potentials, define required actions, and then prioritize and implement selected measures
  • Regular reporting at the department head level, presenting the current status and aligning as needed based on prepared decision templates
Aug 2018 - Dec 2018
5 months

Consultant

Deutsche Telekom AG

  • Project management for the introduction and implementation of new cross-functional business & IT processes within Customer Service
  • Aligning process requirements with stakeholders of various systems
  • Ensuring the timeline while meeting defined milestones
  • Establishing and managing a central point for storing and maintaining process documentation and the solutions database
Oct 2016 - Jul 2018
1 year 10 months

Consultant

Deutsche Telekom AG

  • Team lead for Customer Service optimization and overall transformation towards an agile project methodology
  • Coordinating a project team of 6 with responsibility for project results and customer satisfaction
  • Implementing new cross-system IT processes within the largest IT landscape in Europe
  • Aligning newly developed solution approaches with experts of the involved IT systems
  • Preparing and presenting regular reports to the client

Languages

German
Native
English
Advanced

Education

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Bachelor of Engineering, specializing in Communication Engineering · Electrical Engineering and Information Technology

Certifications & licenses

ITIL V3 Foundation

Professional Scrum Master

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