Material Requirements Planning Experts in Germany

Initial Situation: Targeted professional development in the SAP S/4HANA environment with a focus on expanding the SAP PP core competency toward SAP MM, supply chain processes and SAP Fiori.

Responsibilities & Approach:

• Deepening of integrated end-to-end processes between SAP PP and SAP MM
• Expansion of knowledge in SAP Fiori, SAP Best Practices and process design
• Further training in the areas of data migration, SAP table structures and solution architecture
• Deepening of SAP S/4HANA ePP/DS and Demand Planning
• Expansion of methodological skills in the area of workshop facilitation and requirements analysis

Results:

• Expansion of SAP PP expertise to include SAP MM and supply chain processes
• In-depth knowledge of SAP Fiori and SAP S/4HANA Best Practices
• Expansion of consulting expertise for end-to-end processes in the manufacturing environment

Development and Implementation

• Conceptualization and implementation of the various requirements.
• Experience and ability to collaborate with other delivery teams
• Lead a team of 15 people taking care of matters including monitoring operations, delegating tasks and managing budgets.
• Act as product owner and represent the product vision, strategy and priorities in the area of production operations.
• Work closely with the members of the area including developers, analysts and QA to ensure the successful delivery of logistics features and improvements.
• Lead the process design and lead the build team for the SAP implementation (EU countries) and post-merger integration in SAP PP, QM, MM, APO and SD modules.
• Implemented and optimized MRP Live (MD01N) for multiple plants, improving planning runtime
• Worked with business users to transition from classic MRP to MRP Live
• Implemented SAP QM module, including quality planning and inspection lot processing, resulting in a 20% improvement in product quality compliance.
• Developed and tested custom reports using SAP Query and ABAP for MES data analytics, improving visibility into yield rates and resource utilization.
• Translate production requirements into clear and actionable user stories, acceptance criteria and technical specifications.
• Skilled in discrete, and process/manufacturing (PP-PI) environments; deep understanding of master data, production & process orders, recipe management, batch management, capacity & scheduling, shop floor control, and integration with QM, MM, EWM, MES.
• Worked in Variant configuration (VC)
• Supported international rollouts and transformation projects for SAP PP, QM, PPDS, aATP, EWM, and Variant Configuration within a global strategy.
• Tested functionalities for various business scenarios include interface systems
• Involved in SIT and UAT and cutover activities

Technology: Project Management, SAP PP, QM, MM, APO, ABAP OO, HANA Modelling, FIORI, SAP UI5, AMDP, SAP SD, SAP FICO and S4 HANA Emedded analytics

The project covered the introduction of SAP S/4HANA including EWM. The customer makes tools for the international market, where 300 production orders and 2,000 shipments need to be processed every day. The project started with the "Explore phase", where the target business and SAP processes were defined, and ended with reaching the productivity goals with S/4HANA. My role was key user trainer and optimizing the live processes.

• Developed critical specifications, navigating technical and business requirements.
• Led the project through its complex phases.
• Orchestrated and supported the Integration Testing Cycle (ITC) and User Acceptance Testing (UAT).
• Implemented robust test methodologies and systematically documented and addressed findings contributing to pre-GoLive readiness.
• Ensured flawless implementation and enabled effective trainer training.
• Conducted unit and functional tests.
• Facilitated alignment between development and business goals.
• Provided transparent progress reports and maintained documentation quality.
• Developed Fiori apps for inventory management and material staging status.

• Managed end-to-end supply for AT/CH markets → ensured continuous availability.
• Coordinated interfaces with 4PL logistics partners → improved and stabilized customer service levels.
• Aligned demand & supply with commercial, finance, local and global teams → enhanced forecast reliability and planning visibility.
• Supported SAP S/4HANA rollout and testing → ensured system readiness and minimized go-live risks.
• Strengthened collaboration with Finance, Quality, and external partners → streamlin

• SAP S/4HANA, OTC, 2nd & 3rd level support, project implementation of S/4HANA Cloud Private Sales & Services
• SAP SCM/OTC/P2P/LE/CS/PS, S/4HANA Private Cloud (Sales, Services), CPI, SAP Business Technology Platform (BTP), EDI, IDoc, ABAP, user exits, SAP Activate, ITIL, SAP Cloud ALM
• Support and consulting for integration of SAP ECC into new business areas in SAP S/4HANA
• Decommissioning legacy systems and implementation of the new harmonized SAP S/4HANA landscape
• Process optimization in SAP S/4HANA and support for daily requests from business users and key users
• Project implementation of S/4HANA Private Cloud Sales & Services
• Responsibility for the SCM stream within the global template
• Process design with Signavio and creation of Business Process Documents (BPD)
• Creation of functional design specifications (FS, TS) including interface design and WRICEF objects
• Ensuring integration of PTP with FI/CO, O2C and EWM through SAP customizing
• Migration from SAP ECC to SAP S/4HANA Private Cloud to replace legacy systems and implement a harmonized system landscape
• SAP BTP & CPI: extension of Cloud Platform Integration (CPI), integration of PTP with FI/CO, O2C and EWM, optimization of cloud-based services
• Analysis and evaluation of existing SCM processes in the SAP S/4HANA Private Cloud environment
• Design of integrated solutions in OTC, P2P, EWM, LE and PP including forecasting and capacity planning
• Extension of transportation processes in SAP TM and SAP LE-TRA to support multimodal transports focusing on rail freight and integration of external rail logistics providers via EDI (VDA, EDIFACT)
• Consulting on further migration to SAP S/4HANA Supply Chain
• Functional consulting on developed supply chain processes
• Management of SAP CCS processes for contract types and bonus agreements
• Execution and maintenance of distributions and settlement keys
• Support for integration of transfer rules into the CCS model
• Documentation of CCS process changes for traceability and compliance
• Customizing and optimization in OTC: condition maintenance for pricing, materials, freight, customers, price & material groups; extension of sales document types, item categories, credit memos, down payments and prepayments with pricing procedure, condition types, access sequences, condition tables, condition records, billing types, invoice types, item categories, sales document types, reconciliation accounts, tax accounts; integration with FI/CO for accounting and financial closing; bonus settlements; delivery process optimization; configuration of delivery schedule types with account determination; creation of schedule line categories for delivery schedules; maintenance of schedule lines for delivery schedule types; schedule line determination settings such as order date, delivery date, availability check rules, returns etc.
• Customizing and optimization in P2P: purchase requisitions, purchase orders, document types (reason codes for ordering, rejection and blocking), scheduling agreements and stock transfer schedules; maintenance of material master and vendor master; payment terms; Incoterms; purchasing groups; purchase prices; quota agreements; contracts; purchasing info records; release procedures (characteristics, classes and release strategies); message control; maintenance of vendor master data; assignment of purchasing info records to materials and vendors; configuration of vendor evaluation with weightings; execution and adjustment of material requirements planning processes; creation of detailed functional specifications for P2P processes such as goods receipt (MIGO), goods issue, purchase requisitions and orders; ensuring data quality and master data maintenance in tables such as MARA, LFA1 and LFB1 etc.
• SAP Fiori: extension and customizing of Fiori apps to improve usability and efficiency; implementation of analytical Fiori apps to monitor KPIs and processes; workflow optimization and UI adaptations for enhanced user experience in SAP S/4HANA Private Cloud
• Process modeling in Signavio; optimization and documentation of business processes; workshops and training on process modeling
• 2nd & 3rd level support in OTC, P2P, CS, PS modules (SCM): incident and change tickets; processing, resolution and documentation of SAP user requests; feasibility analysis for change requests; process optimization; service management with SAP CS; Cloud for Customer (C4C) for modern customer service processes; migration of SAP CS to S/4HANA Field Service Management (FSM); use of embedded analytics for service processes
• Customizing, testing, documentation, training; ensuring integration and collaboration between O2C, P2P and FI/CO modules for supply chain optimization; feasibility analysis; effort estimation; debugging; programming; IDoc and EDI monitoring etc.
• 2nd & 3rd level support in C4C Sales and Services: opportunities, surveys, user creation and authorizations; extension of Business Technology Platform; enhancement of CPI interface; customization of customer and material master data; orders; quotations; equipment; service notifications; surveys; tasks; PS orders; integration of PTP with FI/CO, O2C and EWM; ensuring integration and maintenance of MRP processes etc.
• Responsibility for process analysis and design in export processing, Intrastat and customs management in compliance with international trade regulations (e.g. export control, preference agreements, dual-use)
• Integration and optimization of Intrastat reporting in SAP SD including maintenance of statistical commodity codes, country of origin, tariff codes etc.
• Customizing in SAP SD foreign trade (SD-FT/FTT) for customs-relevant fields and processes
• Coordination and preparation for integration with SAP GTS, including ATLAS reporting, embargo checks, export control and tariff determination
• Collaboration with customs authorities and logistics providers on export declarations and approval processes
• Creation of test cases for customs processes, export documents, commercial invoices, export declarations etc.
• MDG (Master Data Governance): data quality and maintenance of master data in relevant tables (e.g. MARA, LFA1, LFB1); change requests for master data maintenance in O2C/P2P
• SAP S/4HANA migration: support for migration from SAP R/3 to SAP S/4HANA, including data migration, process optimization and system harmonization; support for global rollouts for subsidiaries in multiple countries; experience in developing SAP templates for global implementations
• ABAP: development and optimization of programs to extend functionalities in O2C and P2P modules; debugging and troubleshooting; customization and enhancement of user exits for customer-specific requirements; IDoc and EDI monitoring

• Ramp-up management for production and logistics at a new location in Austria (medical devices for dental industry)
• Project management to combine three locations in one new building
• Time and cost tracking for the new building
• Production and logistics processes according to a greenfield approach based on a value stream analysis
• Approach to ramp up production with complete shop floor design
• Temporary team lead of up to 60 people

• Finalised several addon implementation projects as project manager, coordinating external service providers
• Implemented VAT reporting, e-invoicing, asset reporting, drug reporting to governmental authorities
• Played key role as business solution design specialist in an S/4HANA implementation project across PP-PI, eWM, QM, PM, IM, MM, SD and other logistic areas
• Designed organizational structures and processes in all logistic areas
• Developed and proofread business blueprint, managed implementation, test preparation and migration

• Consulting and interim management in the automotive industry, healthcare and other sectors focusing on program management, production launches, plant management, supplier development, cost reduction, process optimization, AI implementation and AI-driven process automation.

• Key projects:

• Concept for performance documentation of a pain therapy department with interdisciplinary input and reconciliation with OPS catalogue (Feb 2026).

• Complete billing system for a medical practice with multi-tenant support, state machine workflow, ZUGFeRD/EN16931-compliant invoice generation, OpenEMR integration; implemented with ~4 200 LOC Python, ~1 700 LOC SQL, 30+ endpoints, 13 DB migrations (Dec 2025 — Feb 2026).

• Clinical decision support system for inpatient pain therapy including automated processing of pain questionnaires, AI-generated therapy recommendations and longitudinal analysis; stack: FastAPI, Ollama, PyMuPDF, React + TypeScript, PostgreSQL, Docker (Sep 2025 — Mar 2026).

• End-to-end AI-powered transcription and documentation pipeline from physician-patient conversations with WhisperX transcription, five-stage LLM pipeline, review UI and self-hosted infrastructure; stack: FastAPI, WhisperX, Ollama, React + TypeScript, Docker (Aug 2025 — Feb 2026).

• AI-powered pipeline for document recognition and automated bank reconciliation processing >3 000 transactions and >4 000 documents with multi-model OCR, LLM-based document separation, web UI and loop-based prompt versioning; infrastructure: Docker Compose, PostgreSQL, Ollama LLM server (Aug 2025 — present).

• Supplier development for suspension parts including changes, new launches, relocations and bottleneck management for KTM (May 2023 — Nov 2024).

• Leading transfer of 150 serial production items after supplier plant closure for KTM (Jul 2022 — Jan 2024).

• Lean and process consultation for Swiss manufacturer of electro components at Von Roll Schweiz AG (Jun 2018 — Nov 2018).

• Ongoing back office support and process improvement for a private pain therapy & TCM practice including anesthesia protocols, website setup, digitalization and process optimization (May 2018 — May 2025).

• Acting plant manager for interior trim components in Hungary focusing on stabilization, tooling optimization, headcount reduction and backlog reduction at MAO Automotive GmbH & Co (Feb 2018 — Jun 2018).

• Start-up consulting and coaching for private pain therapy & TCM practice covering concept, business plan, financing, construction, setup and SOP implementation (May 2017 — Apr 2018).

• Program manager for critical suppliers DAG BR238 door trim leading supplier qualification, sampling, PPAP/EMPB tracking and process approvals at Megatech Industries Deutschland GmbH (Jul 2016 — Oct 2017).

• Interim COO and acting plant manager in aluminum profile processing automotive supplier with 350 employees and €80 M revenue, leading expansion in Slovakia at PWG Profilrollen-Werkzeugbau GmbH (Sep 2015 — May 2016).

• Leading labor and material efficiency program for headliner production focusing on process, material, labor and supplier cost reduction at Motus Headliner GmbH (Jan 2015 — Aug 2015).

• Leading development program for interior door trim DAG C292 including launch phase onsite in MS & AL at Toyota Boshoku America (Sep 2012 — Jan 2015).

• Leading cost down team for DAG C218 door panels at Toyota Boshoku Europe NV (Mar 2012 — Aug 2012).

• Sun visor development consulting for project team in Turkey including optimization, market analysis and design reviews at MARTUR FOMPAK (Jan 2012 — Dec 2014).

• Leading transfer of injection molding tools to new suppliers including sampling, assembly trials and PPAP/EMPB coordination at Toyota Boshoku Europe NV (Jan 2012 — Aug 2012).

• Program manager for BMW sun visors L7 Platform with production transfer and new development of F30 sun visor at Magna (Jul 2010 — Dec 2011).

Main project lead and consultant for the ePPDS rollout

• Role: Lead consultant for the ePPDS rollout, main project lead for the ePPDS rollout
• Project content: 4) Carried out the pre-project for selecting the detailed planning tool 5) Project planning and team staffing for the ePPDS rollout 6) Solution architect for the digital process landscape around digital production

Technologies: Consulting, project management, customizing

• Create the Material Master Data Model and map the source system fields (non-SAP systems) to the target fields (S/4Hana)
• Closely work with clients from Denmark (Thisted), Austria (Stockerau), Czech Republic (Litomysl)
• Discuss with teams from Sales, Purchase, Classifications, MRP, BoM to identify existing processes and create business cases necessary for S/4 implementation
• Design workflow solutions (process flow diagrams) for creation/change processes of various materials based on material types
• Support the migration with all required Material Master configuration and customization synchronization
• Provide post go-live support

• Functional consulting in SAP SCM
• Consulting on master data for vendors, materials, etc.
• Message, pricing, and credit memo procedures in purchasing
• IDoc interfaces for inbound and outbound processing
• Debugging, reporting, SAP queries
• Error analysis and resolution
• Process optimizations in MM, SD, and PM
• Consulting/support in creating and planning orders in PM
• Analysis of existing purchasing/procurement processes regarding integration and migration to the existing SAP MM system
• Development of a migration concept based on the prior analysis for subsequent migration to SAP MM
• SAP PP – MRP demand planning

• Bridging vacancies when leaders are unavailable (production, operations, plant management)
• Production planning and control
• Production optimization
• Production relocations
• Analyzing, evaluating and optimizing processes
• Turnaround processes
• Increasing productivity
• Lean management processes
• Optimizing intralogistics
• Procurement of machines, equipment and tools
• Planning and implementation of series production
• Feasibility analyses
• Resource planning
• Investment planning and implementation
• Support for startup companies

• S/4HANA project management: book project with an online hub to derive an agile project management methodology (Scrum) based on SAP Activate, Solution Manager Focused Build, SAP Enable Now, many SAP project accelerators, community solutions and custom developments.
• Strategy consulting: overview of service providers and product vendors as well as demos and videos to present best practice processes, cloud solutions and SAP community products.
• Sales structure development: scaling the network organization via partnerships, public relations (PR), marketing, digital events etc.
• Contract terms & general terms and conditions: manufacturing and service contracts, personnel placement contracts, copyrights etc.