Wolf Preuster-Drews - Interim Head of IT-POS Base GK

Q: Where is Wolf based?

Wolf is based in Endingen, Switzerland and can operate in on-site , hybrid , and remote work models.

Q: What languages does Wolf speak?

Wolf speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Wolf have?

Wolf has at least 16 years of experience. During this time, Wolf has worked in at least 4 different roles and for 13 different companies . The average length of individual experience is 1 year and 3 months . Note that Wolf may not have shared all experience and actually has more experience.

Q: What is Wolf's latest experience?

Wolf's most recent position is Interim Head of IT-POS Base GK - SAP at Depot GDC .

Q: What companies has Wolf worked for in recent years?

In recent years, Wolf has worked for Depot GDC , Valora AG , ReEnCo AG , and Strixtec .

Q: Which industries is Wolf most experienced in?

Wolf is most experienced in industries like Retail , Energy , and Information Technology (IT) . Wolf also has some experience in Transportation and Logistics , Professional Services , and Banking and Finance .

Q: Which business areas is Wolf most experienced in?

Wolf is most experienced in business areas like Information Technology (IT) , Project Management , and Quality Assurance (QA) . Wolf also has some experience in Operations , Sales , and Finance .

Q: Which industries has Wolf worked in recently?

Wolf has recently worked in industries like Information Technology (IT) , Transportation and Logistics , and Professional Services .

Q: Which business areas has Wolf worked in recently?

Wolf has recently worked in business areas like Project Management , Sales , and Marketing .

Recommended expert

Endingen, Switzerland

Experience

Nov 2024 - Jan 2025

3 months

Niedernberg, Germany

Interim Head of IT-POS Base GK - SAP

Depot GDC

Interim lead for IT-POS based on GK and SAP for DEPOT GDC.
Responsible for the stability and further development of the POS base platform.
Management of adjustments and rollouts in the POS environment in coordination with the SAP backend.

Mar 2024 - Aug 2024

6 months

Basel, Switzerland

IT SOX Compliance Analysis

Valora AG

Conducting an IT SOX compliance analysis for the DACH region in collaboration with KPMG.
Analysis and evaluation of fuel station systems and POS ERP structures.
Examination of the implementation of the Supply Chain Due Diligence Act in the IT and ERP environment.
Assessment and optimization of GDPR compliance in processes and systems.
Analysis of SOX compliance requirements including card processing.
Execution of various smaller consulting projects on fuel station systems, POS ERP, Supply Chain Due Diligence Act, GDPR, SOX compliance and card processing.

Jan 2023 - Aug 2025

2 years 8 months

Press Officer

ReEnCo AG

Planning and organizing non-profit events with ReEnCo AG.
Establishment and maintenance of networks with universities and expert committees.
Representation of the company as press officer to relevant stakeholders.

Feb 2020 - Jun 2023

3 years 5 months

Sales Representative for the DACH region

Strixtec

Sales of the "Situational Awareness Solution" in the DACH region.
Sales of the "NowForce" solution in the field of physical security and deployment management.
Consulting on physical security solutions for Kühne & Nagel in Colombia.
Project management in transport and logistics with a focus on security and surveillance solutions.

Aug 2018 - Dec 2019

1 year 5 months

Syenap

Establishment of the Syenap Competence Center Europe for video analytics in retail, mall, banking, and casino environments.
Design and planning of a pilot installation for a large, internationally operating European retail group.
Assessment of the current situation in pilot markets regarding camera locations and lighting conditions.
Design of a queue management system to reduce waiting times using real-time predictions.
Use of in-store tracking to improve customer service and assortment optimization.
Support in increasing the conversion rate through data-based analysis of customer behavior.

Apr 2015 - Aug 2018

3 years 5 months

Salzburg, Austria

SPAR AG / ICS

Service management for frontend systems and middleware including EAI, SAP and card processing.
IT controlling regarding legal requirements and cost accounting.
Interface communication with development and finance departments to align requirements and budgets.
Process engineering for checkout and back office processes across all SPAR sales categories.
End-user support for changes in workflows in store and back office environments.
Collaboration on introducing GDPR and supply chain due diligence requirements into the IT and POS landscape.

Apr 2014 - Oct 2014

7 months

Cologne, Germany

Rewe / Toom Deutschland

Integration of the DEBIS POS software from Micros (Graz) into SAP.
Development of concepts and interface design for data exchange between SAP and POS software.
Designing interfaces between SAP and frontend software for data upload and download.
Modeling interface structures.
Creating program specifications for SAP systems and store systems.
Testing and quality assurance of the interfaces developed by SAP for uploads and downloads.
Managing and creating a test script.
Performing practical tests and managing errors.
Ensuring compliance with the legal requirements of the Federal Ministry of Finance.
Reviewing processes and quality management.
Coordinating various software vendors.

Mar 2012 - Dec 2014

2 years 10 months

Belgrade, Serbia

SMF KG / SMF d.o.o. / uniCODE / OMV

Localization of Itim Ltd.'s "The Retail Suite" for use in the OMV retail environment.
Drafting fiscal requirements for new POS systems at OMV.
Close collaboration with the client OMV and the software vendor uniCODE.
Analysis of Serbian fiscal legislation and documentation of processes for fiscal printers and POS systems.
Managing change requests during the software implementation.
Supporting software development on-site at the client and vendor.
Testing, quality assurance and support during the commissioning of the new systems.

Mar 2012 - Jul 2012

5 months

Deutsche BP / TSG

Collaboration on the implementation of "NCTT Next Generation" for card processing.
Setting up a central SAP server for card parameters and technical upload/download processes.
Central distribution of operational parameters to frontend devices for payment terminals across Europe.
Standardizing maintenance processes for payment terminals in Europe.
Designing central reconciliation workflows, including plausibility checks and correction processes.

Mar 2010 - Aug 2014

4 years 6 months

Bauhaus

Supporting the market entry of the German DIY chain Bauhaus into the Balkans regarding POS systems.
POS and retail consulting for new locations and markets.
Preparing and executing the fiscalization of affected hardware like printers, cash registers and software.
Supporting the POS rollout and market entry for the cashier manufacturer and the DIY chain.
Deploying and quality assuring the LUKAS and OSCAR cash register systems from Torex/Micros.
Implementing a 1st, 2nd and 3rd level support organization for POS systems.
Testing and quality assurance of all POS systems in operation.

Mar 2010 - Jul 2012

2 years 5 months

Bonn, Germany

Autobahn Tank & Rast

POS consolidation as well as modernization and standardization of POS processes for cooperating oil companies.
Analysis of existing POS systems in gas station and rest area environments.
Quality assurance of POS systems from various vendors, e.g., Scheidt & Bachmann and Huth.
Analysis and optimization of card processing processes.
Creation of concepts and documentation for new POS and payment processes.
Conducting error analyses and troubleshooting.

Nov 2009 - Feb 2010

4 months

Elmshorn, Germany

Deutsche Tamoil

Quality assurance of retail systems in gas station settings.
Creating a POS system test checklist for the client's internal change request procedure.
Standardized testing of POS functionalities after software updates from the vendor (Huth).
Considering all connected satellite systems like inventory management, pricing, databases, and payment systems.
Ensuring investment security through structured testing and documentation.

Oct 2008 - Dec 2014

6 years 3 months

Vienna, Austria

OMV

Integration of revenue and expense data from Scheidt & Bachmann gas station and POS systems into EURODATA (Tax Management).
Rollout management for new POS and backend solutions in the oil and retail sector.
Implementation of web-based conferencing systems including training management.
Quality control of frontend systems with a review of vendor documentation (database model, UML diagrams, programmer's guide, etc.).
Supporting escrow processes, assisting the legal department and project management during audits of the escrow provider and software suppliers.
Drafting and reviewing QA contract documents.
Conducting gap analysis for renewing the software and hardware infrastructure in the Republic of Serbia.
Developing a business blueprint for software development and reviewing local maintenance partners in Serbia.
Evaluating peripheral devices in the POS environment.
Analyzing POS fiscalization requirements of the Republic of Serbia, including legal analysis and workflow development at the POS.
Analyzing new data protection regulations and implementing corresponding workflows.
Quality assurance of POS and payment functionalities as well as system and infrastructure-relevant processes and functions.
Supporting the rollout and commissioning of strategic gas stations.
Designing user workshops to define clear gap requirements for the software supplier.
Card processing including fleet card management.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Retail (11.5 years), Energy (6 years), Information Technology (3.5 years), Transportation (3.5 years), Professional Services (2.5 years), and Banking and Finance (1.5 years).

Retail

Energy

Information Technology

Transportation

Professional Services

Banking and Finance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (11.5 years), Project Management (9.5 years), Quality Assurance (6 years), Operations (4 years), Sales (3.5 years), and Finance (3.5 years).

Information Technology

Project Management

Quality Assurance

Operations

Sales

Finance

Skills

Business Economist, It Controller
Internationally Experienced Specialist In Pos Systems, Central And Decentralized Inventory Management And Retail Processes
Project Management
Crm
Quality Management
Audit Compliance
Rollout Management
Physical Security & Safety Solutions
Nis2
Kritis
Iso 27001
International Sales And Account Management
Pos, Erp, Security Solutions, Footfall Analysis, Risk Management
It Experience Since 1979
Available For Assignment At Short Notice By Arrangement

Security Solutions Intellicene/viisights/verint/cognyte

Preparation And Integration Of Ai Solutions For Safety And Security
Consulting In Collaboration With Universities Of Applied Sciences
Project Management – Definition And Implementation Of Use Cases For Transport And Logistics
Definition Of Use Cases For Security And Safety In Transport And Logistics
Safe Campus
Safe City
Safe Agriculture - Farms
Deployment Planning Rollout
Face Recognition – Video Analysis With Ai
Plate Recognition – Link To A Workflow Table
Perimeter Security With Ai
Soc – Service Operation Center – Situational Awareness
Iot Security
Cyber Security

Retail Focus Areas

Discount Retail, C&c Markets, Department Stores, Specialty Retail (Fashion, Books, Electronics), Hospitality
Central And Decentralized Inventory Management Systems, Various Pos Systems, Fuel Station Systems, Card Processing/payment Systems
Fiscalization In All Affected European Countries, Escrow
Forecourt Controllers, Nct (Non-cash Transactions)
Quality Management, Project Management, Rollout Management
Support Of Integration Projects Between Sap And Pos Systems (Oil Industry) With Detailed Knowledge Of Erp Processes As An Interface To The Pos Side
Gdpr – Implementation And Validation
Big Data Customer Traffic Analysis
Central Cash Management
Introduction Of Sox Compliance For Pos
Supply Chain Due Diligence Act And Risk Management, It & Business Continuity, Kritis
Digitalization Of Trade
Omnichannel Gk Software

Operating Systems, Db/dc Systems, Tools

Sql
Windows
Access
Dp4 All Tools
Unifiedpos
Pos For .Net
Uml
Arts
Ifsf Interfaces Including Card Processing
Sap Retail Interfaces
Bpmn 2.0
Confluence
Jira

It Sox Compliance Analysis

Middleware
Host
End User Application
Card Processing

Industry Expertise

Retail (Discount, Department Stores, Specialty Retail, C&c, Hospitality)
Petroleum Trading
Fashion (E.g., Pkz Zurich, Palmers Wiener Neustadt, Collection Software Hechingen, Laura Ashley, Karstadt And Galeria)
Bertelsmann Book Club
Tank & Rast
Omv
Spar
Bauhaus
Toom
Denner
Coop

Languages

German

Advanced

English

Advanced

Education

Business economist

IT controller

Certifications & licenses

ISO 27001

Profile

Created

August 2025

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Frequently asked questions

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

Where is Wolf based?

Wolf is based in Endingen, Switzerland and can operate in on-site, hybrid, and remote work models.

What languages does Wolf speak?

Wolf speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Wolf have?

Wolf has at least 16 years of experience. During this time, Wolf has worked in at least 4 different roles and for 13 different companies. The average length of individual experience is 1 year and 3 months. Note that Wolf may not have shared all experience and actually has more experience.

What roles would Wolf be best suited for?

Based on recent experience, Wolf would be well-suited for roles such as: Interim Head of IT-POS Base GK - SAP, IT SOX Compliance Analysis, Press Officer.

What is Wolf's latest experience?

Wolf's most recent position is Interim Head of IT-POS Base GK - SAP at Depot GDC.

What companies has Wolf worked for in recent years?

In recent years, Wolf has worked for Depot GDC, Valora AG, ReEnCo AG, and Strixtec.

Which industries is Wolf most experienced in?

Wolf is most experienced in industries like Retail, Energy, and Information Technology (IT). Wolf also has some experience in Transportation and Logistics, Professional Services, and Banking and Finance.

Which business areas is Wolf most experienced in?

Wolf is most experienced in business areas like Information Technology (IT), Project Management, and Quality Assurance (QA). Wolf also has some experience in Operations, Sales, and Finance.

Which industries has Wolf worked in recently?

Wolf has recently worked in industries like Information Technology (IT), Transportation and Logistics, and Professional Services.

Which business areas has Wolf worked in recently?

Wolf has recently worked in business areas like Project Management, Sales, and Marketing.

What is Wolf's education?

Wolf attended education in Business economist.

Does Wolf have any certificates?

Wolf has 1 certificate: ISO 27001.

What is the availability of Wolf?

Wolf is immediately available part-time for suitable projects.

What is the rate of Wolf?

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