Markus Blum

Project Management

Niddatal, Germany

Experience

Project Manager

Automotive Industry (Poppe)

  • Managed support for the IT director in rolling out SAP.
  • Project and team responsibility (8 team members).
  • Defined and set up MDM processes, organized internal and external staff.
  • Analyzed customer-specific MDM requirements and compared and selected MDM software.
  • Compared SAP and multiple third-party solutions.
  • Standardized asset creation and change processes across 5 countries using a workflow tool.
  • Built a data mart and designed a program to analyze master data for harmonization and migration of customers, vendors, and materials into SAP.
  • Organized and reviewed customizing.
  • Created project and load plans for transferring master and transactional data.
  • Developed solutions in S/4HANA and HANA on-premise and in the cloud.
  • Environment: ABAP, LSMW, Master Data Management, S/4HANA.

Developer

Automotive Industry (Toyota)

  • Upgraded SAP from R/2 to R/3 3.0.
  • Developed and enhanced MM/WMS to find optimal storage locations and containers through a dialog program in goods receipt/WMS.
  • Created various ABAP programs for MM reporting.
  • SAP environment: ABAP, WMS, MM, WM.

Head of Migration / MDM + MDG

Automotive Industry (Veritas)

  • Advised on master data management.
  • Defined and implemented MDM and PLM processes.
  • Analyzed requirements to replace an existing PLM solution and implemented MDM software for creating business partners, customers, vendors, and materials.
  • SAP environment: Master Data Management, ABAP/OO.

IT / Administration

Military (Bundeswehr)

  • Conscript for 15 months in Münster / supply depot.
  • Implemented PERFIS software for capturing and managing personnel master data.
  • Monitored and corrected personnel data using the PERFIS IT system.
  • Produced statistics and reports for HR.
  • Determined daily company strength.
  • Maintained leave records for two companies.
  • Other administrative tasks.

Consultant / Project Manager

Business Services (BAYER)

  • Organized maintenance and enhancements of ABAP programs.
  • Advised and designed new SAP programs for workflow-controlled master data maintenance and validation.
  • Supported release upgrades.
  • Advised on master data maintenance, distribution, and cleanup.
  • Monitored base and IDoc across 20 SAP systems.
  • SAP environment: ABAP, ABAP/OO, CO, BC, FI, MM, SD, WM.

Interim Manager MDM Consultant

Chemical Industry (ASK)

  • Interim manager for organizing production relocation from various European countries to the UK.
  • Analyzed data and aligned processes (planning, production, warehousing, purchasing, sales, transport, EH&S, accounting) with stakeholders.
  • Mapped new processes in the company and analyzed required SAP data.
  • SAP environment: PP, MM, MDM.

MDM Consultant / Project Manager

Chemical Industry (ASK)

  • Planned and prepared a migration of master data from 4 systems into one SAP system.
  • Analyzed, planned, and aligned migration methodology.
  • Communicated with responsible parties in each country.
  • Selected data analysis and migration tools.
  • Created project and load plans for master and transactional data.
  • SAP environment: MDM.
  • Coordinated data migration and RICEFW.

Consultant / Developer

Chemical Industry (BAYER)

  • Rolled out SAP R/3 3.1.
  • Developed and advised in MM and SD.
  • Created ABAP programs and reports for MM and SD.
  • Built interfaces for data transfer.
  • Extended SAP functions.
  • SAP environment: ABAP, MM, SD.

Consultant / Developer

Chemical Industry (BAYER)

  • Consulted and developed in Master/Enterprise Data Management (MDM/MDG).
  • Exchanged and validated master and transactional data with external systems.
  • Conducted standard migrations of new companies into live systems.
  • Set up EDI and IDoc interfaces.
  • Developed custom IDoc function modules and various interface programs with LSMW, BAPI, and ABAP.
  • Maintained and monitored interfaces.
  • SAP environment: ABAP, MM, PP, MDM, EDI, IDoc, LSMW, MDG.

Consultant / Developer / MDM

Chemical Industry (BAYER)

  • Advised and developed master data quality and management (MDM).
  • Led and supported a team of three developers.
  • Designed and built validation programs for continuous data quality checks, logging KPIs for SLA/SLM.
  • Set development guidelines, naming conventions, and budget controls.
  • SAP environment: ABAP, MDM, MDG, MDQ.

Interim Manager / Consultant

Chemical Industry (BAYER)

  • Interim manager for global master data management.
  • Project and team lead (12 members).
  • Defined and set up MDM processes, organized staff and vendors.
  • Analyzed customer MDM requirements and compared and selected MDM software.
  • Compared SAP and third-party solutions.
  • Selected, implemented, and customized an MDM module in SAP for creating, maintaining, and analyzing master data for harmonization and archiving.
  • Migrated and integrated materials from two Spanish plants.
  • Standardized asset creation and change processes across 11 countries.
  • Migrated customers and materials from an acquisition for 7 plants in 7 countries.
  • SAP environment: MDM/MDG.

Consultant / Developer

Chemical Industry (BBS)

  • Designed and developed (IDoc, WMS, MM, PP, SD, WM).
  • New SAP rollout.
  • Helped rebuild an SAP R/3 system by extracting master data from a live R/3 system within a group and establishing a regional instance.
  • Conceived, developed, and optimized interfaces using ALE, IDoc, batch input for master data like materials, customers, vendors, WM data, capacities, formulas, routings, BOMs, etc., plus additional programs for control, analysis, and a master data cockpit.
  • SAP environment: ABAP, IDoc, WMS, MM, PP, SD, WM, ALE, MDM, MDG.

Consultant / Developer / MDM

Chemical Industry (BBS)

  • Advised, analyzed, and developed for multiple master data migrations (materials, customers, vendors, BOMs, formulas) from various legacy systems into a live SAP system using IBM DataStage, LSMW, ALE, and IDoc.
  • Created and customized IDoc message types and inbound function modules.
  • SAP environment: ABAP, FI, CO, MM, SD.

Consultant / Developer / MDM

Chemical Industry (BBS)

  • Advised and designed master data cleansing and validation with IBM DataStage.
  • Developed extraction programs to connect four regional SAP systems to IBM DataStage.
  • Wrote migration strategy for a global SAP ECC 6.0 system.
  • Upgraded SAP from 4.6B to ECC 6.0 and converted programs from non-Unicode to Unicode.
  • Handled SPAU and SPDD tasks.
  • Updated and revised SAP Solution Manager documentation.
  • Coordinated program changes with teams in India.
  • SAP environment: ABAP, FI, MM, WM.

Consultant / Developer

Chemical Industry (BBS, BCS)

  • Consulted and developed interfaces (MM, PP, WM) with ABAP, IDoc, RFC, BAPI, batch input, LSMW.
  • Designed and built programs/interfaces for a European server to integrate country systems into R/3.
  • Data objects: customers, vendors, materials, formulas, WM data.
  • Developed dialog programs to trigger and call interfaces and control programs for data quality checks.
  • Created RFC-based formula transfer program with custom IDoc types and process codes.
  • Built a Master Data Conversion Cockpit to track old/new master data IDs per source system with append search helps/matchcodes.
  • SAP environment: ABAP, MM, PP, WM, IDoc, RFC, BAPI, LSMW, MDM, MDG.

Consultant / Developer / MDM

Chemical Industry (BBS, BCS)

  • Advised and developed Master Data Management (MDM) for materials, customers, and vendors.
  • Designed and created programs/interfaces for a European server to integrate country data via IDoc and LSMW.
  • Advised on setting up a master data server for distribution, analysis, maintenance, and harmonization via ALE and IDoc.
  • Designed and coded an SAP module for cross-system overview of organizational data.
  • SAP environment: ABAP, MDM, IDoc, LSMW, MDG.

Project Manager / MDM

Chemical Industry (BCS)

  • Wrote strategy for data cleansing, harmonization, and migration from country systems into a global system via ALE and IDoc.
  • Handled SAP data migration to merge 4 company codes into one.
  • Aligned rules for CO, FI, MD, MM, PP, SD, WM data, designed programs for migration via LSMW, ALE, and IDoc with teams in multiple countries.
  • Created custom IDoc message types and inbound function modules in SAP.
  • SAP environment: ABAP, ABAP/OO, CO, FI, MM, PP, SD, LSMW, ALE, IDoc.

Migration / MDM

Chemical Industry (BHC)

  • Advised on building a global SAP system and migrating data from various country systems using IBM DataStage, LSMW, ALE, and IDoc.
  • Analyzed data and aligned transformation rules with business units in multiple countries.
  • Designed and developed programs to validate master data (FI, CO, MM, SD) quality, validity, and usage.
  • Performed data cleansing, harmonization, and migration.
  • SAP environment: ABAP/OO, FI, CO, MM, SD, LSMW, ALE, IDoc.

Project Controller

Chemical Industry (Röhm)

  • Ensured quality in SAP S/4HANA implementation.
  • Supported client in managing their IT vendor.
  • Coordinated 20 vendor developers.
  • Reviewed ABAP developments and organized transports.
  • Validated and set up interfaces to external systems (IDoc, API, file).
  • Configured BTP.
  • Assisted in master and transactional data loads.
  • Checked and monitored documentation completion (stories, FDS, SOLMAN, TDS).
  • Supported software and process testing.
  • Helped with system validation by auditors.

Consultant / Developer

Service Provider (Berner)

  • Advised, analyzed, and developed for migration and cleansing of master data (MM, SD, PP) including materials, customers, vendors, BOMs, and purchasing info records, into a live SAP system via LSMW, ALE, and IDoc.
  • Created custom IDoc message types and inbound function modules in SAP.
  • Defined message types via BD35, WE30, WE31.
  • Extended IDoc segments with additional fields.
  • Mapped message types to IDoc types and maintained extensions with WE82.
  • Set properties for inbound function modules with BD51, WE42, BD57, etc.
  • Managed process codes and logical messages via WE41/WE42.
  • Mapped function modules to messages and IDoc types with WE57.
  • Maintained partner profiles with WE20 and BD64.
  • Generated IDoc test data with WE19.
  • Edited IDocs via BD87.
  • Aligned transformation rules with business units in various countries.
  • SAP environment: ABAP, ABAP/OO, MM, SD, PP, LSMW, ALE, IDoc.

Project Manager / MDM

Printing Products (CEWE)

  • Planned S/4HANA rollout including master and transactional data migration.
  • Implemented Nagarro Data Care add-on in SAP S/4HANA.
  • Project management, customizing, and design for additional customer requirements.
  • Introduced a tool to set validations for active vs. inactive records.
  • Coordinated data migration via DMC.

Consultant / Developer

Electronics Industry

  • Rolled out SAP R/3 3.0.
  • Captured and mapped organizational structures.
  • Customized MM.
  • Developed ABAP programs for legacy data loads.
  • Trained staff on MM and development.
  • SAP environment: ABAP, MM.

Project Manager / MDM + MDG

Electronics Industry (INSTA)

  • Led S/4 transition and data migration from legacy systems into S/4HANA.
  • Designed programs to analyze and migrate a variety of data objects.
  • Created budget, project, and load plans for master and transactional data.
  • Coordinated data migration and RICEFW.

Consultant / Developer

Energy Supply (RWE)

  • Advised, designed, and developed.
  • Built a custom module for cross-system service processing/central purchasing across multiple company codes in SAP 4.6C.
  • Customized MM, integrated orders, confirmations, and invoicing via RFC, CALL TRANSACTION, batch input, and IDoc for service processing across eight dialog programs and 20+ ABAP reports.
  • Triggered messages with custom message types.
  • Developed an archiving program for custom data.
  • Automated inter-company billing with ABAP.
  • SAP environment: ABAP, CO, FI, MM, SD.

Project Manager / MDM + MDG

Waste Management (EEW)

  • Migrated master and transactional data for S/4HANA Cloud implementation.
  • Implemented Nagarro Data Care add-on in SAP S/4HANA.
  • Built an MDM department and planned workflows for material and business partner creation across countries and divisions.
  • Harmonized processes.
  • Project management, customizing, and design of further requirements.
  • Set up validations for continuous master data quality monitoring.

Consultant / Project Manager

IT Services (BAYER / BBS)

  • Outsourced support and development from Germany to India.
  • Aligned requirements in Germany, wrote specs, and controlled implementation in India.
  • Ensured quality.
  • Planned resources.
  • Trained Indian colleagues and served as contact for SAP program adjustments.
  • International planning and coordination for data migration and basis support in Germany and India (BC, FI, LSMW, MASTA, MD, MM, PASTA, SD, WM, ZMDT).
  • Set up ALE, EDI, and IDoc interfaces, distribution models, and partner profiles.
  • Developed custom IDoc types, function modules, and interface programs with batch, LSMW, BAPI, and ABAP.
  • Advised and built multiple ABAP programs.
  • Automated master data checks for cross-entity usage and cleanup.
  • Objects: materials, customers, and sales.
  • Advised on phase-out procedures for material master in various dependent objects and org structures.
  • SAP environment: ABAP, ABAP/OO, MM, PP, SD.

Consultant / Organizer

IT Services (BBS)

  • Coordinated tasks, defined responsibilities, chose monitoring tools, and organized archiving.
  • Coordinated customizing and development in SAP systems.
  • Managed transition of support and customizing from Germany to India.
  • Aligned activities between Germany and India.
  • Trained Indian colleagues in SAP customizing and monitoring.
  • Advised on master data maintenance, distribution, and cleansing.
  • SAP environment: ABAP, ABAP/OO, CO, BC, FI, MM, SD.

Consultant / Project Manager

IT Services (COMPUT)

  • Advised on transition of SAP system developments.
  • Created programming specs for external vendor after consulting business owners in MM, SD, master data, IDoc, RFC, and monitoring.
  • Tested programs, functions, and enhancements with business owners.
  • Documented in SAP Solution Manager.
  • Monitored vendor cost and schedule in India.
  • Proposed fixes and automation solutions.
  • SAP environment: ABAP, ABAP/OO, EDI, IDoc, MM, MDM, SD.

Consultant / Developer

Real Estate Management (RWE)

  • Designed and developed (FI, IS Real Estate).
  • Full implementation.
  • Assisted in rolling out SAP Real Estate solution.
  • Advised and built interfaces to load master and transactional data (customers, vendors, open items) via data migration techniques, CALL TRANSACTION, and batch input.
  • Created various reports for analysis.
  • SAP environment: ABAP, FI, IS Real Estate.

Project Manager / MDM

Industry (OXG)

  • Rolled out SAP S/4 Public Cloud and migrated data from legacy systems via XML files and DMC into S/4.
  • Sub–project lead and project controlling.

Consultant / Architect / Dev Lead

Maintenance (RWE)

  • Consulted, architected, and led development (CO, FI, IS Real Estate, SD).
  • Led the developer team.
  • Set development guidelines, naming conventions, and budget controls.
  • While working two days a week in the chemical industry project, developed and QA’d a fully automated cross-company code and system–wide process in SAP for maintenance order billing in real estate management with auto posting in partner system.
  • Built custom classes with RFC–enabled function modules and table controls in custom dialog transactions.
  • SAP environment: ABAP, CO, FI, IS Real Estate, SD.

Architect / Developer

International Freight Forwarders

  • Designed and led an IT-based controlling system for cost monitoring and route optimization in international transport with staff and budget responsibility. Platform: COBOL/AS400.
  • Designed and led an IT-based reusable packaging management solution for automotive supply with staff and budget responsibility. Platform: COBOL/AS400.
  • Contributed to building an IT-based shipment tracking system. Platform: COBOL/AS400.
  • Assisted in implementing an IT system for truck handling with interfaces to finance and warehouse.

ABAP Developer

Plastics Processing

  • Handled SPAU and SPDD.
  • Linked two SAP systems (3.1 and 4.0) for ordering, order confirmation, and billing via IDoc.
  • Extended standard IDoc for extra SD order fields.
  • Coded customer exits for IDoc communication.
  • Checked stock in the other system via RFC.
  • SAP environment: ABAP, ALE, IDoc, MM, SD.

Consultant / Developer

Food Industry (Müller Milk)

  • Rolled out SAP R/3 4.0B.
  • Complete implementation.
  • Built interfaces for legacy data transfer in MM/SD.
  • Connected to external systems via IDoc, EDI, batch.
  • Added fields to standard material master screens via append, customizing, and user exits.
  • Designed and built custom programs in MM, SD, FI, CO, reporting, and dialog in ABAP.
  • Created dialog maintenance transactions.
  • Integrated a telephone sales program via EDI/IDoc with Seeburger tool.
  • SAP environment: ABAP, CO, FI, EDI, MM, SD, IDoc.

MDM + MDG Consultant

Food Industry (Van Hees)

  • Advised on master data management.
  • Defined and set up MDM processes and master data creation.
  • Gathered requirements, compared solutions, and selected master data software.
  • Standardized asset creation and change processes internationally.
  • Implemented and customized programs to analyze and control master data quality and create primary master data with workflow.
  • Developed in R/3 and S/4HANA.
  • SAP environment: Master Data Management, S/4HANA.

Consultant / Project Manager

Logistics (Freight)

  • Concurrent with the prior project, consulted and developed in SAP R/3 Basis with ABAP, RFC, CCMS as project lead for three developers.
  • Designed and built a program to monitor and report KPIs from 15 SAP R/3 systems with an interface to an external web-based monitoring tool for SLA display and alerts per customizing.
  • SAP environment: ABAP, RFC, CCMS.

Project Manager

Aerospace Industry (MTU)

  • Led SAP S/4 rollout with master data migration from legacy systems and designed a program to analyze master data for harmonization and migration of customers, vendors, and materials.
  • Organized and reviewed customizing.
  • Created project and load plans for master and transactional data transfer.
  • Planned and coordinated data migration and RICEFW.

ABAP/SQL Developer

Mechanical Engineering (Rose)

  • Designed and developed an ABAP dialog program for BOM explosion with a maintenance transaction to auto-create materials and BOM items in SAP via native SQL on Oracle.
  • Prepared specs for other developers (Release 4.5B).
  • SAP environment: ABAP, MM, PP, SD.

Consultant / Developer

Parcel Service (GLS)

  • Designed and developed (FI, HR).
  • Built various reports in FI and HR and interfaces for legacy data loads and ongoing data exchange in FI and HR.
  • Developed HR and FI data analysis reports.
  • Advised on development guidelines and naming conventions.
  • Trained client developers in SAP dialog programming.
  • SAP environment: ABAP, FI, HR.

Project Manager / MDM

Pharma Industry (Aenova)

  • Rolled out SAP R/3 and non-SAP systems into a consolidated R/3 system per site.
  • Aligned with business owners and planned master and transactional data migration.
  • Implemented Nagarro Data Care add-on to identify current data.
  • Co-led master data subproject.

Developer / Trainer

Press Publishing (Rheinische Post)

  • Upgraded SAP R/2 to R/3 4.0B.
  • Adapted and enhanced custom ABAP in MM and FI.
  • Trained staff on the R/3 interface and reporting.
  • SAP environment: ABAP, MM, FI.

Developer / Trainer

Aerospace Industry (DASA)

  • Developed and upgraded from 3.1I to 4.6B.
  • Handled SPAU and SPDD.
  • Adapted and enhanced custom ABAP.
  • Trained client developers in workbench/dialog programming.
  • Built extensive interactive CO reports.
  • Created dialog programs in CO and PP.
  • Coded user and customer exits.
  • Developed and applied CATT.
  • SAP environment: ABAP, CO, FI, PP.

Consultant / Dev Lead

Data Center (Junisphere)

  • Consulted and led a team of five developers.
  • Set development guidelines, naming conventions, and budget.
  • Transferred knowledge to the client.
  • Expanded a validation program to analyze and weight R/3 data from BD87, SM35, SM37, SP01, ST22, SM13, SM21, SM12, SM58, SM59, SLG1, SM50, SM04, STAT, STAD, DB02, SERV, ST03, STMS, SE10.
  • Weighted data and passed as KPIs to an external web-based overview tool for SLA display and alerts per customizing.
  • SAP environment: ABAP.

Consultant / Project Manager

Software Development (Intern)

  • Designed a Master Data Service Suite for data lifecycle tasks: migration, creation, analysis, GDPR compliance, masking, and archiving.
  • Gathered customer requirements and legal needs.
  • Wrote specs and led a team of three developers.
  • Environment: Master Data Management.

Consultant / Developer

Software Development (NO)

  • Advised and led team to connect external recruitment software to SAP HR.
  • Transferred applicant data to SAP via ALE, IDoc, BAPI, and CALL TRANSACTION.
  • SAP environment: HR, ALE, IDoc, BAPI, CALL TRANSACTION.

Project / Dev Lead

Software House (Schröder)

  • Designed and developed an interface from SAP to a repository of customer knowledge like Wikipedia, intranet, SharePoint, manuals, etc.
  • Linked SAP F1 help to the client’s knowledge base.
  • CODADIC – Company Data Dictionary.
  • SAP environment: ABAP, Basis.

Consultant / Developer

Software House (Junisphere)

  • Worked in SAP Basis and developed in custom SABMON.
  • Created checks for global workflows and integrated them into the SABMON interface.
  • Extended a SAP monitoring tool for automatic system and process monitoring in ABAP and ABAP/OO.
  • Designed and built new validation routines for various basis and business transactions per customer requests.
  • SAP environment: ABAP, ABAP/OO, Basis, MM.

Consultant / Developer

Freight Forwarding (CULINA)

  • Upgraded from 4.0B to 4.6C.
  • Handled SPAU and SPDD.
  • Reviewed and enhanced custom ABAP.
  • Extended interfaces and improved performance in SD and FI.
  • Built dialog starter transactions and user menus.
  • Developed a custom reusable packaging management add-on in 4.6C.
  • SAP environment: ABAP, FI, MM, SD.

Developer

Steel Industry

  • Rolled out SAP R/3 3.1.
  • Built a comprehensive dialog transaction for freight cost calculation, packing simplification, and various SD reports.
  • SAP environment: ABAP, MM, SD.

Consultant / Dev Lead

System Integrator (BCS)

  • Supported organization and information areas (FI, CO, MM, SD).
  • Designed and built an ABAP program to control and modify reporting units and profit centers for product-hierarchy–based controlling.
  • Conceived an ABAP program for master data analysis.
  • Corrected ABAP and user/customer exits for an upcoming upgrade to SAP ERP 7.00.
  • SAP environment: ABAP, FI, CO, MM, SD.

Summary

I have extensive experience in leading complex projects and teams, especially in the SAP environment. My background includes managing migration projects, harmonizing data processes, and establishing master data management systems on a global scale. I have successfully guided teams in implementing SAP S/4HANA, handling diverse data objects and integrating multiple systems in industries like automotive, chemical, and energy.

I excel in analyzing customer-specific requirements, selecting the right software solutions, and coordinating international project activities. With a hands-on approach in ABAP, MDM, and MDG, I consistently deliver efficient solutions and optimize operational processes.

Languages

German
Advanced
English
Advanced

Certifications & licenses

Certified by SAP

SAP

Certified Transport Specialist

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