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David CressonDC

David Cresson

SAP Technical Architect

€900/day
Lille, FR
15+ years

Average response time: 2 hours

Freelancer profile translated to English.
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About David

SAP Solutions Architect and Technical Director with over 20 years of experience in managing global enterprise landscapes.
Expert in defining technical roadmaps for S/4HANA and SAP BTP adoption, ensuring alignment between business objectives and IT infrastructure.
Recognized for stabilizing post-go-live environments, applying strict development governance, and leading cross-functional teams for SAP S/4HANA implementation.
Trusted advisor for cloud migration strategies (AWS) and re-platforming of complex systems.
To discover my vision of SAP architecture, my methodologies, and my blogs, I invite you to visit my company's showcase:
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Lille (up to 50km), Paris (up to 50km), Bruxelles (up to 50km)

Experience

  • Percipere Consulting Ltd
    SAP Technical Architect
    TECH
    October 2024 - Today (1 year and 8 months)

    Responsibilities

    • Provide architectural oversight and technical guidance to delivery teams, ensuring adherence to SAP best practices and timelines.
    • Define and implement the technical strategy, establishing standardized methodologies and tools to enhance delivery capabilities.

    Key Achievements

    • Architected hybrid integration landscapes via SAP Integration Suite: delivered critical financial flows (Multi-Bank Connectivity/MBC) and revenue-generating iFlows (PSP, E-commerce) for seamless data synchronization.
    • Designed a scalable Identity & Access Management (IAM) framework for S/4HANA Public Cloud, utilizing IPS and IAS to automate user lifecycle based on business personas, ensuring "zero-touch" provisioning and strict compliance.
    • Led a strategic license optimization initiative for over 100 active users: realigned entitlements and reduced Full Usage Equivalents (FUE) by ~40% (from 130 to 75), with optimized BTP service consumption (CIM, MRM, SAC).
    • Defined the technical strategy by developing standardized delivery methodologies for S/4HANA Public Cloud (Security, Upgrades) and created a pre-sales estimation tool, improving proposal accuracy and margin predictability.
    SAP S/4HANA SAP BTP SAP Architecture SAP Integration Suite Identity and Access Management (IAM)
  • Capgemini
    SAP Technical Architect
    July 2024 - October 2024 (3 months)
    • Pre-Sales Technical Lead: Led technical solutioning and estimation for a comprehensive S/4HANA upgrade proposal.
    • Chemical Industry: Architected the S/4HANA transformation roadmap for a major client during the pre-sales phase.
    • Food & Beverage: Designed the target architecture for an S/4HANA transformation tender.
  • Hacanthe
    SAP Technical Architect / Innovation Lead
    TECH
    January 2024 - July 2024 (6 months)
    • Led the creation of the SAP BTP service catalog, standardizing technical delivery models into commercial offerings to accelerate growth.
    • Audited and remediated a fragmented SAP BTP landscape (across 2 Global Accounts), restructuring subaccount architecture to align with business services and enable future scalability.
    • Implemented a robust IAM framework, defining a strict Role-Based Access Control (RBAC) matrix and securing IAS tenants to enforce Segregation of Duties (SoD).
    • Executed a comprehensive governance plan, delivering technical documentation and validating security patches to ensure an auditable and optimized environment for S/4HANA RISE connectivity.
    SAP BTP

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Education

  • DUT Computer Science Option
    DUT Informatique option

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