Volker Wiethaup - Senior SAP SD/EDI Consultant

Q: Where is Volker based?

Volker is based in Leverkusen, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Volker speak?

Volker speaks the following languages: German (Native), English (Advanced), Dutch (Elementary) .

Q: How many years of experience does Volker have?

Volker has at least 35 years of experience. During this time, Volker has worked in at least 22 different roles . The average length of individual experience is 1 year and 8 months . Note that Volker may not have shared all experience and actually has more experience.

Q: What is Volker's latest experience?

Volker's most recent position is SD Project Team Member .

Q: Which industries is Volker most experienced in?

Volker is most experienced in industries like Banking and Finance , Construction , and Manufacturing . Volker also has some experience in Chemical , Telecommunication , and Information Technology .

Q: Which business areas is Volker most experienced in?

Volker is most experienced in business areas like Information Technology , Supply Chain Management , and Project Management . Volker also has some experience in Logistics , Sales , and Customer Service .

Q: Which industries has Volker worked in recently?

Volker has recently worked in industries like Manufacturing , Construction , and Banking and Finance .

Q: Which business areas has Volker worked in recently?

Volker has recently worked in business areas like Information Technology , Supply Chain Management , and Logistics .

Q: What is Volker's education?

Volker attended Bergische University of Wuppertal for Economics .

Recommended expert

Leverkusen, Germany

Experience

Sep 2023 - Present

2 years 7 months

SD Project Team Member

Support for the SAP rollout for sales companies in Germany: creation of training materials, key user training, tests, go-live and hypercare phases, and support activities
Industry: building components
Software: SAP ERP 6.0

May 2023 - Jul 2023

3 months

SD Migration Project Member – Salesforce

Analysis and optimization recommendations for an existing migration process of contracts from SAP SD to Salesforce
Industry: software
Software: EHP7 for SAP ERP 6.0

Apr 2023 - Nov 2023

8 months

SD – EDI Project Member

Development of new EDI interfaces to connect various customers for ORDERS / ORDRSP / DESADV
Industry: medical technology
Software: SAP S/4HANA

Jan 2023 - Mar 2023

3 months

SD – OTC – EDI Project Member

Extension of an EDI interface between Salesforce <-> SAP PO <-> SAP ERP <-> ePayment provider to implement a subscription model with various payment methods (VISA, MasterCard, iDEAL, direct debit, etc.)
Industry: building services engineering
Software: EHP6 for SAP ERP 6.0 with HANA DB

Jul 2021 - Dec 2022

1 year 6 months

SD Project Team Member

Analysis and optimization of existing billing processes including their technical implementation in SAP SD
Support in the implementation of new billing processes (e.g., billing plan) in SAP SD at an investment company
Industry: banking
Software: EHP6 for SAP ERP 6.0

Jan 2021 - Dec 2022

2 years

SD – OTC – EDI Project Member

Project support for Salesforce <-> SAP PO <-> SAP ERP as part of an S/4HANA implementation
Industry: building technology
Software: EHP6 for SAP ERP 6.0 with HANA DB / SAP S/4HANA

Sep 2020 - Apr 2021

8 months

Project Lead

Project management and concept development to optimize billing processes across all billing systems in a securities bank (transaction bank)
Industry: banking
Software: EHP7 for SAP ERP 6.0 and various bank-internal billing systems

Jun 2019 - Dec 2019

7 months

SD – OTC – EDI – IoT Project Member

Designing and creating an EDI interface between the customer's IoT cloud <-> SAP PO <-> SAP ERP, including an ePayment provider for processing various payment methods across Europe (VISA, MC, AMEX, iDEAL, direct debit including BACS, Apple Pay, Google Pay, Alipay, etc.)
Industry: building technology
Software: EHP6 for SAP ERP 6.0 with HANA DB

Jan 2019 - May 2019

5 months

SD – OTC – EDI Project Member

Preparations for the S/4HANA implementation project
Feasibility study for the new EDI interface between Salesforce <-> SAP PO <-> SAP ERP
Industry: building technology
Software: EHP6 for SAP ERP 6.0 with HANA DB

Jul 2017 - Dec 2018

1 year 6 months

SD – OTC – EDI Project Member

Project support during the SAP ERP upgrade from EHP6 to EHP8
Rebuilding the EDI order interface between Salesforce <-> SAP ERP in preparation for the SAP COPA implementation
Industry: building technology
Software: EHP6 for SAP ERP 6.0 with HANA DB

May 2017 - Jun 2017

2 months

SD Project Team Member - OTC - EDI

Integration of an EDI interface for cash receipts from SAP ERP => SAP PI => KASSA24 (via REST API) for legally compliant secondary document creation according to the Austrian cash register security regulation (RKSV)
Coordination with the SAP PI and KASSA24 teams
Industry: Building technology
Software: EHP6 for SAP ERP 6.0 on HANA DB

Mar 2016 - Apr 2017

1 year 2 months

SD Project Team Member - OTC - EDI

Project support for EDI interface optimization Salesforce <-> SAP PI <-> SAP ERP
Standardization and optimization of master data and document transfers
Industry: Building technology
Software: EHP6 for SAP ERP 6.0 on HANA DB

Sep 2015 - Feb 2016

6 months

SD Project Team Member - OTC - EDI

Project support for the SAP SD rollout in Russia
Migration of customer master data from Salesforce via Talend and SAP PI into SAP ERP (EDI)
Industry: Building technology
Software: EHP6 for SAP ERP 6.0 on HANA DB

Jan 2015 - Dec 2022

8 years

SD Project Team Member

Production support and process optimization in the SAP logistics environment for an international filter manufacturer
In particular, support for IT users on process questions and new requirements
Industry: Industrial textiles (filters)
Software: SAP ECC 6.0

Dec 2014 - Aug 2015

9 months

SD Project Team Member

Helpdesk, support, and project assistance within the Competence Center Support team
Industry: Chemicals
Software: SAP ECC 6.0

Jun 2014 - Nov 2014

6 months

Project Team Member SD – MM – EDI

Subproject lead and test management for connecting a new external logistics provider for finished goods shipping
Exchange of delivery and goods movement documents via ALE (EDI/IDoc/XML)
Industry: Pharmaceutical
Software: SAP ECC 6.0

Nov 2013 - May 2014

7 months

Project Team Member SD

SAP SD process optimization and production support
User support, hotline, ticket processing
Support of key users with process questions and new requirements
Industry: Chemical
Software: SAP ECC 6.0

May 2013 - Oct 2013

6 months

Project Team Member SD and MM

SAP SD design and ABAP development for determining and forwarding the country of origin in the batch context from goods receipt in MM to goods issue in SD
Industry: Chemical
Software: SAP ECC 6.0

Nov 2012 - Apr 2013

6 months

Project Team Member SD

SAP SD standardization of SAPscript forms (order / delivery / invoice / various certificates)
ABAP programming of print programs for sales organizations in the Asian region
Industry: Chemical
Software: SAP ECC 6.0

Jan 2012 - Oct 2012

10 months

Project Team Member SD

SAP SD optimizations as part of a migration from SAP 4.6C to ECC 6.0
Testing of customer-specific processes and programs (user exits / enhancements / modifications) with subsequent ABAP program corrections
Development of new customer requirements
Industry: Financial services
Software: SAP ECC 6.0

Jun 2011 - Dec 2011

7 months

SD Project Lead

SAP SD in a securities bank (transaction bank)
Responsible for the SD module including process optimization, production support and key user training
Industry: Banking
Software: SAP ECC 6.0

Jan 2011 - May 2011

5 months

Development Team Member

Creating concepts and supporting ABAP programming for an interest analysis tool to accurately display interest by source (down to document level)
Industry: Banking
Software: SAP ECC 6.0

Jul 2010 - Sep 2014

4 years 3 months

SD Team Member

Production support and process optimization in SAP SD at a trading company
User support, hotline, ticket processing
Supporting key users with process questions and new requirements
Industry: Trading
Software: SAP R/3 Enterprise

May 2010 - Dec 2010

8 months

CRM Team Member

Implementation of SAP CRM 7.0 (SAP ramp-up)
Creating concepts for data migration from SAGE SalesLogix and a client-owned CRM application (Lotus Notes) to SAP CRM
Industry: Banking
Software: SAP CRM 7.0

Jan 2010 - Apr 2010

4 months

SD Project Lead

Designing a company-wide SAP interface application focusing on SD interfaces to be replaced
Event-driven checking and processing of files and automated creation of SD orders after release
Performing all customizing activities
ABAP programming of various user exits for order creation, billing and interfaces to FI and CO
Industry: Banking
Software: SAP ECC 6.0

Jun 2008 - Dec 2009

1 year 7 months

SD Project Lead

Production support and process optimization in SAP SD (with module responsibility) at a transaction bank
Industry: Banking
Software: SAP ECC 6.0

May 2008 - May 2008

1 month

CO Project Member

Implementation of revenue planning for the CO module based on SD actual and CO plan conditions
Industry: Banking
Software: SAP ECC 6.0

Oct 2007 - Apr 2008

7 months

SD Project Lead

Migration project of two productive SAP systems from securities / transaction banks
Mapping of all processes and interfaces into a new SD sales organization
Industry: Banking
Software: SAP ECC 6.0

Jun 2007 - Sep 2007

4 months

SD Project Lead

Further development of the SD module in a securities bank (transaction bank)
New pricing model and annual tiered prices using condition technique
Automatic creation of new orders via BAPI (ABAP programming)
Creation of new SAPscript forms
Industry: Banking
Software: SAP ECC 6.0

Jan 2007 - May 2007

5 months

SD Project Lead

Release upgrade from SAP R/3 4.6C to SAP ECC 6.0 at a securities bank (transaction bank)
Industry: Banking
Software: SAP ECC 6.0

Jul 2004 - Dec 2006

2 years 6 months

SD Project Lead

SAP SD in a securities bank (transaction banking)
Process optimization, production support and user support
Industry: Banking
Software: SAP R/3 4.6C and SAP R/3 Enterprise

Jan 2004 - Dec 2004

1 year

SD Project Team Member

Migration project of two productive SAP systems
Setup of the Sales Information System (VIS) as a basis for a joint SAP BW
Industry: Telecommunications
Software: SAP R/3 4.5B

Jul 2003 - Jun 2004

1 year

SD Subproject Lead

SAP merger project of two securities banks (transaction banks)
Technical merger of the SD modules and development of common processes to map a unified pricing model
Industry: Banking
Software: SAP R/3 4.6C

Jul 2002 - Jun 2003

1 year

SD Subproject Lead

Further development of the SD module in a securities bank (transaction banking)
Integration of various in-house developed subsystems for automated invoice creation using BAPI functionalities (ABAP programming) and customizing
Industry: Banking
Software: SAP R/3 4.6C

Jan 2002 - Jun 2002

6 months

SD Subproject Lead

Implementation of the SD module for automated invoice creation for services in a securities bank (transaction banking)
Key user training and user training sessions
Industry: Banking
Software: SAP R/3 4.6C

May 2001 - Dec 2003

2 years 8 months

SD Project Team Member

Further development and maintenance of the SD module as well as support for key users
Industry: Telecommunications
Software: SAP R/3 4.0B

Apr 2001 - Apr 2001

1 month

SD Project Team Member

Setup of a Sales Information System (VIS) and a Retail Information System (RIS)
Conducting user training
Industry: Retail
Software: SAP R/3 4.6C (R/3 Retail)

Mar 2001 - Sep 2001

7 months

BW Project Team Member

Setup of an SAP Business Information Warehouse Release 2.1C, 1st project phase: SD reporting
Industry: Telecommunications
Software: SAP R/3 4.0B / BW 2.1C

Jan 2001 - Dec 2001

1 year

SD Project Team Member

Extensions of the SD module including interfaces for building a commerce portal to handle eCommerce orders
Support for production operations
Industry: Banking
Software: SAP R/3 4.6C

Apr 2000 - Mar 2001

1 year

SD Project Team Member

Setup of a Sales Information System (VIS) as a basis for a data warehouse
Creation of various evaluation reports
Ongoing support of key users within production operations
Industry: Telecommunications
Software: SAP R/3 4.0B / BW 2.1C

Feb 2000 - Apr 2001

1 year 3 months

SD Subproject Lead

Regular enhancements of the SD module as part of various eCommerce projects to handle online orders
Provided cross-module support for production operations
Led SD-related projects
Industry: Logistics
Software: SAP R/3 4.5B

Jan 2000 - Jan 2000

1 month

SD Project Team Member

Industry-specific customizing and SAPscript in SD for further development of the IS-Automotive and IS-Retail modules
Industry: Software
Software: SAP R/3 4.0B

Jul 1999 - Dec 1999

6 months

SD Project Team Member

Built a sales information system (VIS)
Industry: Furniture
Software: SAP R/3 4.0B (R/3 Wood)

Apr 1998 - Jun 1999

1 year 3 months

SD Subproject Lead

Implemented SAP R/3 FI and SD modules in Italy
Responsible for SAPscript, the sales information system (VIS), and all ABAP/4 reports
Industry: Chemicals
Software: SAP R/3 3.1H

Mar 1997 - Mar 1998

1 year 1 month

SAP SD Production Support

Supported the SAP R/3 SD module
Industry: Chemicals
Software: SAP R/3 3.1G

Jun 1996 - Feb 1997

9 months

SAP Project Member

SAP R/3 Custom programming and customizing
Development of a customer-specific billing/bonus system
Industry: Chemicals
Software: SAP R/3 2.2F

Mar 1996 - May 1996

3 months

SAP Project Member

SAP R/3 SAPscript programming in Switzerland
Creation and modification of all SAPscript forms
Industry: Chemicals
Software: SAP R/3 2.2F

Feb 1996 - Feb 1996

1 month

SD Project Member

SAP R/3 SAPscript programming in Turkey
Modification of various SAPscript forms in SD
Industry: Chemicals
Software: SAP R/3 2.2F

Aug 1995 - Jan 1996

6 months

SD Project Member

SAP R/3 SAPscript programming in Germany
Creation and modification of all SAPscript forms including ABAP programming of print programs
Industry: Chemicals
Software: SAP R/3 2.2F

Jun 1995 - Jul 1995

2 months

SD Project Member

SAP R/3 Implementation study for the introduction of the SAP SD module
Industry: Industrial (mining/construction/mechanical engineering)
Software: SAP R/3 2.2F

Mar 1995 - May 1995

3 months

SAP Trainee

SAP training with a focus on the logistics modules, especially the SD module and ABAP programming
Industry: Software
Software: SAP R/3

Jan 1991 - Feb 1995

4 years 2 months

Application development in a mainframe environment

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Construction, Manufacturing, Chemical, Information Technology, and Telecommunication.

Banking and Finance

Construction

Manufacturing

Chemical

Information Technology

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Supply Chain Management, Project Management, Sales, Logistics, and Customer Service.

Information Technology

Supply Chain Management

Project Management

Sales

Logistics

Customer Service

Summary

I have over 25 years of international experience with SAP SD and EDI and have worked in various industries (e.g., banking, chemicals, building services engineering, and medical technology). I have been involved in numerous rollouts, migrations, and process optimizations, consistently delivering effective solutions that improve system performance and user experience.

Through my work with SAP ERP, ECC, and partially S/4HANA, I have gained expertise in customizing, SD module support, training, support, and interfaces. I focus on practical approaches that simplify complex processes while ensuring smooth support and training for key users. My background in both technical development and project management helps me drive continuous improvements in different environments.

I look forward to a personal meeting where we can discuss how I can support you in your project.

Skills

Business Consulting
Sap Sd Consulting
Edi / Idoc / Ale / Sap <=> Salesforce Interfaces
Consulting / Project Management / Organization / Coordination
Software Development / Abap Programming
Training (Users / Key Users)
Testing / Documentation / Quality Assurance
Administration / Support
Sap R/3
Sap Ecc 6.0 With Hana Db
Sap S/4hana
Sd Consulting / Customizing
Sd Module Support (Otc)
Logistics Information Systems (Lis/vis/ris)
Abap/4 Programming
Sapscript
Edi / Idoc / Ale / Sap Pi/po
Realtech Transport Manager
Salesforce
Project Management
International Experience (It / Ch / Tr / Gb / Nl / Be)
Specification Creation / Testing Experience
Training / Documentation / Support / Helpdesk
Ms Office / Confluence / Jira / Servicenow / Kanban

Languages

German

Native

English

Advanced

Dutch

Elementary

Education

Bergische University of Wuppertal

Diploma in Economics · Economics

Certifications & licenses

Kanban University Team Kanban Practitioner

SAP R/3 Business Information Warehouse

SAP AG

Introduction To Successful Remote Teamwork

openHPI

Sketching Basics For It Business

openSAP

The Internet Of Things With SAP

openSAP

Touch Iot With SAP Leonardo

openSAP

Understanding Sap Fiori Launchpad

openSAP

Statistics

Experience

Total positions 52

Experience in Banking and Finance 14 y

Avg length 1 y

Longest experience 7 y 11 m

Expertise

Recent roles SD Project Team Member, SD Migration Project Member – Salesforce, SD – EDI Project Member

Main industries Banking and Finance, Construction, Manufacturing

Main business areas Information Technology, Supply Chain Management, Project Management

Qualifications

Certifications earned 7

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Volker based?

Volker is based in Leverkusen, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Volker speak?

Volker speaks the following languages: German (Native), English (Advanced), Dutch (Elementary).

How many years of experience does Volker have?

Volker has at least 35 years of experience. During this time, Volker has worked in at least 22 different roles. The average length of individual experience is 1 year and 8 months. Note that Volker may not have shared all experience and actually has more experience.

What roles would Volker be best suited for?

Based on recent experience, Volker would be well-suited for roles such as: SD Project Team Member, SD Migration Project Member – Salesforce, SD – EDI Project Member.

What is Volker's latest experience?

Volker's most recent position is SD Project Team Member.

Which industries is Volker most experienced in?

Volker is most experienced in industries like Banking and Finance, Construction, and Manufacturing. Volker also has some experience in Chemical, Telecommunication, and Information Technology.

Which business areas is Volker most experienced in?

Volker is most experienced in business areas like Information Technology, Supply Chain Management, and Project Management. Volker also has some experience in Logistics, Sales, and Customer Service.

Which industries has Volker worked in recently?

Volker has recently worked in industries like Manufacturing, Construction, and Banking and Finance.

Which business areas has Volker worked in recently?

Volker has recently worked in business areas like Information Technology, Supply Chain Management, and Logistics.

What is Volker's education?

Volker attended Bergische University of Wuppertal for Economics.

Does Volker have any certificates?

Volker has 7 certificates. Among them, these include: Kanban University Team Kanban Practitioner, SAP R/3 Business Information Warehouse, and Introduction To Successful Remote Teamwork.

What is the availability of Volker?

Volker will be available part-time from April 2026.

What is the rate of Volker?

Volker's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.