Wolf Preuster-Drews - Interim POS Manager

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 (Native), 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 (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 . Wolf also has some experience in Transportation , 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 , Project Management , and Quality Assurance . 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 , Transportation , 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

Check rate

Experience

Nov 2024 - Jan 2025

3 months

Niedernberg, Germany

Interim Head of IT POS (GK & SAP)

Depot GDC

Interim head of IT POS on GK and SAP basis for DEPOT GDC.
Responsible for the stability and further development of the POS base platform.
Managing 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

Conducted an IT SOX compliance analysis for the DACH region in collaboration with KPMG.
Analyzed and evaluated forecourt systems and POS-ERP structures.
Reviewed the implementation of the Supply Chain Due Diligence Act in the IT and ERP environment.
Evaluated and optimized GDPR compliance in processes and systems.
Analyzed SOX compliance requirements including card processing processes.
Carried out various minor consulting projects on forecourt 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

Planned and organized non-profit events with ReEnCo AG.
Built and maintained networks with universities and professional committees.
Represented the company as press officer to relevant stakeholders.

Feb 2020 - Jun 2023

3 years 5 months

Sales Representative, DACH Region

Strixtec

Sold the "Situational Awareness Solution" in the DACH region.
Sold the "NowForce" solution for physical security and operations management.
Consulted 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

Established the Syenap Competence Center Europe for video analytics in retail, malls, banking, and casino environments.
Conceived and planned a pilot installation for a large, internationally operating European retail group.
Recorded the current state in pilot markets regarding camera locations and lighting conditions.
Designed a queue management system to reduce wait times using real-time forecasts.
Used in-store tracking to improve customer services and optimize product assortments.
Supported increasing the conversion rate through data-driven customer behavior analysis.

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 related to legal regulations 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 retail categories.
End-user support for changes in process workflows in store and back-office environments.
Participation in implementing 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 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 programming specifications for SAP systems and store systems.
Testing and quality assurance of SAP-developed interface solutions for uploads and downloads.
Leading and writing a test script.
Conducting practical tests and error management.
Ensuring compliance with the legal requirements of the German 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 "The Retail Suite" by Itim Ltd. for deployment in the OMV retail environment.
Development of fiscal requirements for new POS systems at OMV.
Close collaboration with the client OMV and the software supplier uniCODE.
Analysis of Serbian fiscal legislation and documentation of processes for fiscal printers and POS systems.
Managing change requests during the software rollout.
On-site support for software development at the client and supplier.
Testing, quality assurance, and support during the commissioning of the new systems.

Mar 2012 - Jul 2012

5 months

Deutsche BP / TSG

Participation in implementing "NCTT Next Generation" for card processing.
Setting up a central SAP server for card parameters and technical upload/download processes.
Central provisioning of operational parameters to frontend devices for payment terminals across Europe.
Standardization of maintenance processes for payment terminals in Europe.
Designing central reconciliation processes including plausibility checks and correction procedures.

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 related hardware such as printers, cash registers, and software.
Assisting the POS vendor and the DIY chain with the POS rollout and market entry.
Implementing and quality testing the LUKAS and OSCAR POS systems by Torex/Micros.
Setting up a 1st, 2nd, and 3rd level support organization for POS systems.
Testing and quality assurance of all POS systems in use.

Mar 2010 - Jul 2012

2 years 5 months

Bonn, Germany

Autobahn Tank & Rast

POS consolidation and modernization and standardization of POS processes for cooperating oil companies.
Analysis of existing POS systems in the gas station and service area environment.
Quality assurance of POS systems from various manufacturers, 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 fixes.

Nov 2009 - Feb 2010

4 months

Elmshorn, Germany

Deutsche Tamoil

Quality assurance of retail systems in the gas station environment.
Creation of a cash register system test checklist for the customer's internal change request process.
Standardized testing of register functionalities after software changes by the manufacturer (Huth).
Considering all connected satellite systems like inventory management systems, pricing systems, databases, and payment systems.
Ensuring investment protection through structured testing and documentation.

Oct 2008 - Dec 2014

6 years 3 months

Vienna, Austria

OMV

Connecting revenue and expense data from Scheidt & Bachmann gas station and POS systems to EURODATA (tax management).
Rollout management for new POS and backend solutions in the oil and retail sector.
Introducing web-based conferencing systems including training management.
Quality control of frontend systems by reviewing supplier documentation (database model, UML diagrams, programmer's guide, etc.).
Support for ESCROW processes, assisting the legal department and project management during audits by the ESCROW provider and software vendors.
Drafting and reviewing QA contract documents.
GAP analysis to renew software and hardware infrastructure in the Republic of Serbia.
Creating a business blueprint for software development and reviewing local support partners in Serbia.
Evaluating peripheral devices in the POS environment.
Analyzing POS fiscalization requirements of the Republic of Serbia, including legal analysis and POS workflow development.
Reviewing new data protection regulations and implementing related workflows.
Quality assurance of cash register and payment functionalities as well as system- and infrastructure-relevant processes and functions.
Supporting rollout and commissioning of strategic gas stations.
Leading user workshops to define clear GAP requirements for the software vendor.
Card processing including fleet card management.

Industry Experience

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

Experienced in Retail, Energy, Information Technology, Transportation, Professional Services, and Banking and Finance.

Retail

Energy

Information Technology

Transportation

Professional Services

Banking and Finance

Business Area Experience

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

Experienced in Information Technology, Project Management, Quality Assurance, Operations, Sales, and Finance.

Information Technology

Project Management

Quality Assurance

Operations

Sales

Finance

Summary

I have built my career by tackling complex IT and POS challenges, overseeing SAP integrations and ensuring smooth, compliant operations in retail, oil, and security industries. I have managed the stability and evolution of POS platforms, executed IT compliance analyses, and supported software rollouts across various regions.

I offer a deep technical background combined with practical sales and operational expertise. I focus on quality assurance, process optimization, and data-driven decision-making, ensuring that every project I lead delivers measurable value and long-term reliability.

Skills

Business Administration, It Controller
International 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
Critical Infrastructure
Iso 27001
International Sales And Account Management
Pos, Erp, Security Solutions, Footfall Analysis, Risk Management
It Experience Since 1979
Available To Start 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 – Defining And Introducing Use Cases For Transport And Logistics
Definition Of Use Cases For Safety And Security In Transport And Logistics
Safe Campus
Safe City
Safe Agriculture - Farms
Deployment Planning And 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, Cash & Carry Markets, Department Stores, Specialty Retail (Fashion, Books, Electronics), Food Service
Central And Decentralized Merchandise 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 For Integration Projects Between Sap And Pos Systems (Oil Industry) With Detailed Knowledge Of Erp Processes Interfacing With Pos
Gdpr – Implementation And Validation
Big Data Customer Traffic Analysis
Central Cash Management
Implementation Of Sox Compliance For Pos
Supply Chain Due Diligence Act And It & Business Continuity Risk Management, Critical Infrastructure
Retail Digitalization
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, Cash & Carry, Food Service)
Oil 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

Native

English

Advanced

Education

Business Administration

IT Controller

Certifications & licenses

ISO 27001

Statistics

Experience

Total positions 13

Experience in Retail 11.5 y

Avg length 2 y 2 m

Longest experience 6 y 2 m

Global Experience

Countries worked in 4 (Germany, Austria, Switzerland, Serbia)

Primary country Germany

Expertise

Recent roles Interim Head of IT POS (GK & SAP), IT SOX Compliance Analysis, Press Officer

Main industries Retail, Energy, Information Technology

Main business areas Information Technology, Project Management, Quality Assurance

Qualifications

Certifications earned 1

Profile

Created

August 2025

Last Update

May 2026

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Frequently asked questions

Have questions? Find more information here.

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 (Native), 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 (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 (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. Wolf also has some experience in Transportation, Professional Services, and Banking and Finance.

Which business areas is Wolf most experienced in?

Wolf is most experienced in business areas like Information Technology, Project Management, and Quality Assurance. 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, Transportation, 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 Administration.

Does Wolf have any certificates?

Wolf has 1 certificate: ISO 27001.

What is the availability of Wolf?

Wolf will be available full-time from June 2026.

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.