Hermann E.

Solution Architect, Senior Developer

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Walldorf, Germany

Experience

Mar 2025 - Present
10 months
Oldenburg, Germany

Solution Architect, Senior Developer

Energy sector

  • Modules: SAP SRM, SAP S/4 MM
  • Converting the SAP SRM system from an SAP ECC connection to SAP S/4 HANA
  • Quality assurance of the implementation
Dec 2023 - Feb 2025
1 year 3 months
Lübeck, Germany

Project manager, Solution Architect, Process consultant, Developer

Pharmaceuticals

  • Modules: SAP MM (S/4), MM-PUR, MM-SRV, MM-IM
  • Initial company-wide SAP rollout from 300+ legacy systems
  • Process recording and design of all procurement processes for use in/with SAP. Collaboration with the PM, PP, SD, CS modules for processes like direct procurement, subcontracting, service procurement, third-party order, supplier management
  • Designing and migrating master data with LSMW and Batch Input / BAPIs
  • Functional and technical design of requirements in the MM module as well as interfaces (via CPI) for approver determination in workflows or for responsibilities
  • Design and implementation of flexible workflows for purchase requisition objects (item-based and header-based), purchase orders and contracts
  • Extension of standard Fiori apps for efficient entry of order confirmations
May 2023 - Present
2 years 8 months
Cologne, Germany

Project manager, Solution Architect

Energy sector

  • Modules: Ivalua (S2C / P2P), SAP MM (ECC and S/4), MM-PUR, MM-SRV, MM-IM
  • Planning project phases for integrating Ivalua with SAP
  • Functional and technical design of the interface (supplier / business partner) with the business department
  • Switching in SAP from the vendor (ECC) to the Business Partner concept (S/4) – concept, workshops, functional design, test management
  • Migration of master data (e.g. materials and suppliers) as well as transaction data (e.g. contracts) from SAP (ECC) to Ivalua and SAP S/4 HANA
  • Project management (status calls, team leadership, budget and milestone tracking)
Apr 2022 - Oct 2023
1 year 7 months
Laupheim, Germany

Project manager, Strategic consultant, Solution Architect

Mechanical engineering

  • Modules: SAP SRM, SAP MM (ECC and S/4), MM-PUR, MM-IM
  • Planning the procurement roadmap with the client (S2C and P2P process analysis) regarding process and IT landscape
  • Process design of the core S2C and P2P processes
  • Replacing the connected ERP backend (SAP ECC to SAP S/4) from SAP SRM
  • Connecting SAP R/3 to SAP SRM with material master extraction for cross-catalog search and creation of purchase requisitions / reservations
  • Adapting the workflow from SAP SRM to SAP S/4 Flexible Workflow
  • Extending the Fiori My Inbox application with customer fields
Jul 2020 - Jan 2023
2 years 7 months
Karlsruhe, Germany

Project manager, Solution Architect, Senior Developer, Process consultant

Energy sector

  • Modules: SAP MM (ECC and S/4), MM-PUR, MM-IV, MM-SRV, MM-IM
  • Sub-project lead in procurement for an S/4 transformation
  • Conducting workshops according to SAP Activate
  • Bluefield implementation approach (greenfield with adoption of selective customer enhancements)
  • Process redesign of PR entry (from a P2P suite, from SAP PM, from SAP-PS), automatic order creation, credit memo process, contract distribution, and lean service introduction from MM-SRV
  • Development of a Fiori analytics app based on data from third-party systems using CDS views
  • Interface design and implementation for SAP ECC MM, SAP S/4 Procurement, Ivalua and MS Azure using IDocs and SOAP
  • Redesign & implementation of the approval workflow for MM documents from approval strategy to Flexible Workflow (purchase order, contract, service entry)
  • Extension of the Fiori My Inbox with customer fields and custom enhancements
Jan 2020 - Oct 2021
1 year 10 months
Stuttgart, Germany

Sub-project lead, Solution Architect

Automotive / industrial engineering / consumer goods

  • Modules: SAP S/4 MM-PUR (-IM, -IV), SAP Central Procurement
  • Validating the future standard purchasing processes for the transformation from SAP SRM and SAP ECC to SAP S/4
  • Executing the SAP transformation using SAP Activate
  • Analyzing and evaluating customer requirements deviating from the SAP standard (fit-gap assessments)
  • Process analysis and redesign for drop shipment, stock transfer, contract distribution (Central Procurement), and catalog management (guided buying)
Oct 2019 - May 2020
8 months
Zwickau, Germany

Sub-project lead, Solution Architect, Senior Developer

Automotive industry

  • Module: Introduction of the subcontracting process in SAP S/4
  • Solution design and development of a Fiori-based application for asset disposal including workflow
  • Extension of SAP S/4 Procurement flexible workflows (My Inbox) with CDS view extensions and asset determination
Jan 2005 - Dec 2019
15 years

Project manager, Process consultant, Developer

> 40 clients

  • Modules: SAP S/4, SAP ECC MM (MM-PUR, MM-IM, MM-IV, MM-SRV), SAP SRM, SAP SLC
  • Implementation of transformation projects using SAP Activate
  • S2C processes: supplier management (registration, qualification, evaluation, activity management), sourcing and auctions, contract negotiation
  • P2P processes: requirement capture (catalog, free text, reservation), source determination (manual and automatic with order book), order creation (manual and automated), capturing order confirmations for suppliers (online), automated PDF recognition of order confirmations, automating goods receipt, credit memo process, material classification, inventory management, warehouse management, integration with EWM
  • Technical analysis and architecture experience with IDoc processing, SOAP (XML), OData, reports, custom field adjustments, BAdI enhancements, user exits, CDS views (extensions and customer developments), RESTful ABAP programming

Summary

  • Project management / leadership

  • Moderation / conducting workshops

  • Project manager

  • SAP MM purchasing consultant

  • SAP Solution Architect

  • SAP Senior Developer

  • Process consultant for SAP S/4 Procurement and Sourcing / SAP ECC MM / SAP Central Procurement

  • Optimization and automation of procurement processes

  • Customizing & development in SAP MM, SAP SRM and SAP SLC as well as related ERP modules (CS, PM, SD, FI, CO, PP) using ABAP, ABAP OO and Fiori

  • Integration of third-party systems via SAP interfaces (OData, IDoc, SOAP)

  • Requirements analysis and key user training

  • Solution Architect (focused on SAP ABAP and Fiori)

  • Basic knowledge of SAP BTP

  • Solid technical understanding of the SAP MM module and its integration with SD, CS, PP, PM as well as SAP SRM and SAP SLC

  • SAP S/4 Procurement (MM)

  • SAP ECC MM

  • SAP Central Procurement

  • S/4 migration

  • ABAP / ABAP-OO

  • Clean ABAP

  • Fiori (CDS / RAP / OData)

  • SAP BTP

  • Agile / SCRUM

  • Process design

Languages

German
Native
English
Advanced
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