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Tanja DrefkeTD

Tanja Drefke

Digital Transformation Consultant IT Program Lead

€1,100/day
Den Haag, NL
15+ years

Average response time: 1 hour

About Tanja

I'm a strategic IT Consultant and Program Lead with over 20 years of experience driving complex digital transformation projects across global enterprises. My work bridges IT strategy, architecture, and operational excellence—translating vision into scalable and sustainable solutions.

I support clients in sectors like manufacturing, FMCG, finance, and life sciences. From SAP integration, AI-enhanced supply chain platforms and data governance frameworks to agile coaching and ITSM transformation—my strength lies in managing complexity and aligning people, processes, and technology.

Whether leading end-to-end ERP rollouts, modernizing infrastructure, or optimizing IT service delivery, I bring structured clarity, executive-level advisory, and a hands-on mindset to every engagement.
  • German

    Native or bilingual

  • Spanish

    Basic

  • French

    Basic

  • English

    Fluent

  • Dutch

    Conversational

Can work on-site
Den Haag (up to 50km), Amsterdam (up to 50km)

Experience

  • Heineken Entreprise
    Strategy Consultant & Program Lead
    AGRICULTURE
    January 2023 - May 2025 (2 years and 4 months)
    As Strategy Consultant & Program Lead at Heineken International N.V., I led a multi-year digital transformation across global supply chain and IT architecture domains. Operating in highly diverse, legacy-heavy OpCo environments, I designed scalable, cloud-native solutions that modernized Heineken’s infrastructure and enabled AI-driven decision-making across 15+ major markets.

    Key achievements included:

    • End-to-End SAP Integration: Oversaw integration of SAP S/4HANA, ECC, Middleware (Solace, Boomi), SAP CPI and Blue Yonder into a new B2B cloud platform. Designed strategies for master/transactional data harmonization and aligned warehouse, inventory, and finance processes across business units.
    • AI & ML Adoption: Implemented AI/ML tools for demand forecasting, warehouse optimization, and financial planning. Deployed predictive analytics for logistics efficiency and inventory turnover improvement.
    • Legacy Migration Leadership: Led deep-dive assessments of fragmented systems, developed migration roadmaps, and introduced data harmonization to overcome technical constraints.
    • Change & Agile Leadership: Designed Agile coaching frameworks and delivered tailored training for SAP project teams. Ensured high adoption of digital workflows and knowledge transfer across functions.
    • Risk & Governance Enablement: Built a six-phase Tollgate model and embedded ITSM, sustainability (Greenprint), and risk frameworks. Ensured business continuity during SAP transitions and system cutovers.

    This role elevated Heineken’s global digital maturity, improved supply chain responsiveness, and created a scalable model for future transformation.

  • Schmitz Cargobull AG
    Senior IT Consultant: Driving
    LOGISTICS AND SUPPLY CHAIN
    June 2022 - December 2022 (6 months)
    As the Senior IT Consultant at Schmitz Cargobull AG, I played a pivotal role in the spin-off project, driving process redesign and implementation with a focus on aligning the new business unit's operations with strategic goals. Through meticulous evaluation, modeling, and coordination, I ensured seamless integration of business and technical processes into the newly formed standalone entity. Leveraging advanced project management techniques, SAP FI/CO expertise, and change management strategies,
    Key Achievements:
    • Process Redesign and Implementation: I led the redesign and implementation of critical business processes (SAP modules (FI, MM, SD) and legacy systems)
    • Innovative Solution Proposals: I developed comprehensive solution proposals that incorporated process models, technical strategies, and innovative ideas to optimize system performance.
    • Collaboration and Stakeholder Engagement: I conducted coordination workshops involving diverse teams, including business leaders, technical experts, and financial controllers, to refine process models and ensure alignment with strategic goals.
    • Technical Conceptualization and Integration: I created detailed technical concepts to align business systems with operational goals, ensuring smooth interoperability between SAP modules (FI, MM, SD) and legacy systems.
    • Change Management Leadership: I designed and implemented comprehensive change management initiatives to foster engagement and adoption of redesigned processes and systems.
    • Quality Assurance and Compliance: I established rigorous quality assurance frameworks to validate the alignment of business processes and financial operations with SAP FI/CO and IFRS standards.
    • Strategic Alignment for Long-Term Success: I worked closely with senior leadership to align project deliverables with the organization's strategic goals. By embedding scalable SAP FI/CO and operational solutions,

  • GEA - Global Engineering Alliance AG
    IT Consultant in role IT Program Manager/ IT Multi Project Manager
    MECHANICAL ENGINEERING
    April 2020 - June 2022 (2 years and 2 months)
    Transformed GEA's decentralized IT into a scalable, secure hybrid cloud and network infrastructure. Successfully executed the global Cloud File Services and ServiceNow/VMware integration program, optimizing service management and IIoT capabilities. Migrated workloads across public/private clouds, enabling cost reduction and regulatory compliance. Defined cloud strategies, centralized 350+ sites, and led end-to-end transformation.

    Delivered a global SD-WAN rollout across 288 sites, replacing MPLS/IPSec/PtP with carrier-independent WAN infrastructure, improving speed, flexibility, and connectivity. Reduced operational costs and enabled seamless cloud integration through a unified overlay platform.

    Led strategic integration of ServiceNow with VMware vRealize for cloud orchestration and automated catalog services. Implemented SIAM-based multi-vendor governance, improving asset, incident, change, and request processes across all platforms.

    Implemented NetApp Cloud Volumes ONTAP and Talon FAST™ for next-gen cloud file services. Enabled real-time access and consolidated data management while eliminating branch-level backups.

    Co-developed the Eureka IIoT PaaS platform for ingesting, analyzing, and governing industrial IoT data. Enabled secure IIoT templates, data routing, analytics, and compliance.

    Oversaw all financials, scope, and change controls across programs. Owned governance streams (Security, Data Protection, Transition) and reported regularly to C-Level. Drove change management and adoption strategies to support enterprise-wide transformation.

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Education

  • Diploma as IT-Systemkauffrau
    (IHK), EPSON Deutschland GmbH
    2002
    Diploma as IT-Systemkauffrau
  • training with specialization in IT systems management,
    IHK Duisburg
    training with specialization in IT systems management,

Skill set

Categories