Matthias Weber - Interim SAP MM/WM Consultant in Procurement

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Teningen, Germany

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Experience

Jul 2025 - Feb 2026

8 months

Linz, Austria

Hybrid

Interim SAP Consultant MM/ WM S4 HANA Project

Industrial Production

Technical and process consulting
Coaching and training employees
Documentation support
Creating migration files for product master data
Supporting the migration of additional master data and transaction data
Sparring partner for the SAP service provider

Feb 2025 - May 2025

4 months

Hybrid

Interim Manager, Castings Procurement

Drive Technology

Reorganizing requirements for over 10.000to of raw castings
Calculating KPIs to support decisions on immediate actions
Supporting the Managing Director of SCM and the Head of Procurement in decision-making
Presenting the final results in a full-day workshop
Preparing documents for supplier discussions; implementation was carried out by the client
The main goal was to buy castings at significantly lower prices, strengthening the pricing and competitiveness of in-house production
Worldwide benchmarking and expanding sources of supply in Asia, as well as finding new sources in North Africa and South America; Europe and Central America were ruled out as unsuitable.

Jan 2024 - Dec 2024

1 year

Hybrid

Interim SAP Master Data Manager and Procurement

Pharmaceutical Company

Operational procurement
Price negotiations
Reviewing master data and transaction data
Introducing data governance and data quality
Material master strategies
Reducing process costs and inventory levels; presenting a possible C-parts management approach
Developing KPIs
SAP documentation for MM and material master data
Coaching and training the procurement team
Reducing maverick buying
Contributing to the design of the new P2P process

Jul 2023 - Nov 2023

5 months

Interim SAP Master Data Manager

Mechanical Engineering Company

Analyzing material master data, developing KPIs, and identifying actions, such as developing planning data based on an ABCXYZ analysis
Identifying actions to reduce shortages and material backlogs
Coaching and training Key Users to prevent past errors in the S4/Hana project
Process definition, modeling, and implementation
Revising material master data across all modules to improve master data quality

May 2023 - Jul 2023

3 months

Interim Head of Procurement

Telecommunications Company

Defining and implementing processes
Supporting the ERP Business Central rollout
Master data and layout definitions
Price negotiations with civil engineering subcontractors (-5%) and for installation materials (-30%) in the indirect procurement area
Completely revising contract management with a lawyer
Coaching and managing employees
Claims, negotiations, and preventing claims
Establishing financially sound international subcontractors

Oct 2022 - Apr 2023

7 months

Interim SAP Manager and Process Coach

Manufacturing company

Develop effective processes across all SAP modules at international locations, especially MM and PP
Set up effective APO planning
Model processes and implement them in SAP Signavio
Create documentation in SAP Enable
Train and coach employees
Support internal employees in implementing the SAP project

May 2022 - Sep 2022

5 months

Interim Procurement Manager

Automotive company (commercial vehicles)

Procurement of airport equipment
Implement a defence project, reducing costs by 50%, value EUR 480.000
Prepare Kanban across all direct and indirect commodity groups
Reduce process costs by cutting the number of purchase orders and material withdrawals
Internationalize the steel construction, laser cutting and processing, and electrical commodity groups; TCO
Make or buy
Contract management
Reduce the number of suppliers by 10%
Revise material master data

Mar 2021 - Apr 2022

1 year 2 months

Interim Head of Procurement, Interim ERP Consultant

Automation company

Develop procurement and internationalize it
Train employees
Set up contract management
Supplier management
Secure company financing through leasing, fintech, major banks and an investor; defer EUR 9.000.000 in liabilities for 6 months
Evaluate two ERP systems
Model processes and implement them in SAP MM
Evaluate and request proposals for ECM software to support decision-making
During protective shield proceedings and self-administered insolvency, negotiate with suppliers and contribute to the M&A process; handle retention of title, calculations for investors, self-administration and the insolvency monitor, contract reviews, and defense against claims

Sep 2020 - Jan 2021

5 months

Interim Procurement Manager, Interim ERP Consultant

Telecommunications company

Evaluate two ERP systems
Implement ELO (ECM software)
Replace Salesforce in sales
Evaluate and commission Azure programming (BI)
Assess and negotiate network charges
Implement savings

Feb 2020 - May 2020

4 months

Interim Project Buyer for Metal Commodity

Automotive Tier 1 company

Tender BIW and chassis
Prepare cost breakdown with the incumbent supplier
Prepare components for industrial production
Prepare the company's production equipment at the incumbent supplier (KTL, powder coating, wet paint, welding equipment), set up smooth production operations, resolve issues on the punch lists, and complete the work for acceptance
Issue RFIs to the requested suppliers for other commodities and identify synergies
Provide process consulting in PSI Penta (ERP)
Support contract management, prepare and implement contractual processes
Assess supplier claims, prepare for and conduct negotiations
Prepare to transition the customer into a pure service company
Restructure supplier portfolios

Oct 2018 - Oct 2019

1 year 1 month

Interim Head of Purchasing

Machinery and Plant Engineering Company, Manufacturing Industry

Cost reduction, especially freight review in the parcel segment, with >25% reduction (savings of approx. EUR 270.000)
Internationalization of sourcing
Preparing the decision between Navision 2018 and Business Central
Contract management for the upgrade to Business Central, negotiations with three providers
Initial process improvements in Navision
Master data cleanup in Navision
Coaching and training employees
Negotiations and project implementation of ELO ECM

Apr 2018 - Aug 2018

5 months

Interim Series Buyer / SAP MM Processes

Automotive Tier 2 Company

Managing the product group for forgings, including machining
Managing the product group for seamless and welded steel tubes
Significant cost reductions of over 30% within the product groups
Database analysis and calculations in Excel
Reviewed and updated SAP planning data and settings to prevent shortages
Training in SAP MM and, in part, PP

May 2017 - Mar 2018

11 months

Interim Project Buyer

Machinery and Plant Engineering Company

Purchasing all goods required for plant projects
European benchmark for castings (ductile/gray iron) weighing 5–40.000 kg
Benchmarking steel components
Cost reduction
Internationalization of sourcing
Development of the master data landscape
Reducing the frequency of errors in ERP INFOR
Cleanup of variable data

Oct 2016 - Feb 2017

5 months

Head of Strategic and Operational Purchasing

Rena Technologies GmbH

Contract management with key suppliers
Implementation of a cost reduction program
Purchasing controlling and tracking results

Jul 2016 - Sep 2016

3 months

Interim Head of Purchasing, covering the role while a permanent successor was being sought

Interroll Automation GmbH

Jun 2012 - Jun 2016

4 years 1 month

Head of Operational and Strategic Procurement

Interroll Automation GmbH

Reduced material costs by > 12% within 12 months, excluding intercompany costs
Three cost-down projects in four years
Internationalized procurement
Improved the supply chain
Led international procurement projects for the group as Lead Buyer (packaging, DIN parts, mechanical components)
Established contract management (framework, services, work contracts, QSV, development, tooling)
Sourced and qualified new suppliers, including for a new product line
Replaced uneconomical production methods
Set up consignment stock
Key User SAP MM within the ERP project, Materials Management module
Modeled processes and implemented them in master data
Managed master data in collaboration with other modules
Ensured processes were followed and prevented process breaks
Prepared documentation and training materials
Trained and coached employees, including in Atlanta (USA) and Suzhou (China)
Developed the process landscape with headquarters
Created KPIs and derived actions

Sep 2011 - Jan 2012

5 months

Head of Strategic Procurement

Rothenberger Werkzeuge GmbH

Led a freight cost review project with annual savings potential of > 8%
Established new suppliers in LCC Europe
Connected the Procurement and QA functions

Jun 2010 - Aug 2011

1 year 3 months

Head of Materials Management

Burkhardt GmbH

Negotiated payment terms of up to 270 days with the largest suppliers
Procured new credit insurance under unfavorable conditions (Atradius, Euler Hermes)
Reduced the material cost ratio by 6% in one year, despite material cost increases
Key User PSI Penta within the ERP project, Materials Management module
Modeled processes and implemented them in master data
Managed master data in collaboration with other modules
Ensured processes were followed and prevented process breaks
Prepared documentation and training materials
Trained and coached employees

Aug 2008 - Jan 2010

1 year 6 months

Group Manager, Mechanical Procurement and Technical Purchased Parts

DMT Technology GmbH

Settled a damages claim out of court in collaboration with the CFO, valued at approx. EUR 350.000
Achieved price reductions of up to 40% by sourcing steel components in Eastern Europe at the same quality level
Built collaboration with the procurement team at the branch in France

Nov 2001 - Jul 2008

6 years 9 months

Senior Controller and Senior Buyer in the In-House Manufacturing Business Unit

Herrenknecht AG

Analyzed the business unit's financial performance
Prepared investment calculations for machinery
Managed standard costing and budgeting
Costed all common components within 4 years and entered them into the ERP system
Improved transparency of manufacturing costs (make or buy) and optimized the production program
Conducted supplier inspections, audits and supplier qualification
Managed risks and sourced and selected suitable suppliers

May 1992 - Nov 2001

9 years 7 months

Strategic Buyer, Deputy Head of Procurement

Herrenknecht AG

Project procurement for components of a tunnel boring machine
Design and implementation of a Kanban system and C-parts management, reducing process costs
Design and implementation of in-house logistics
Key user for Steeb AS400 ERP software
Value analysis and search for substitutes with technical design
Risk management in materials management
Inventory analyses, automated demand planning, JIT, safety stocks
Supplier acceptance, audits and qualification
Procurement for major projects for subsidiary MSD Dresden over 3 years
Bundling small orders into framework orders
Comprehensive cost-down projects

Nov 1991 - Apr 1992

6 months

Logistics Specialist

Janoschka GmbH

Jul 1991 - Oct 1991

4 months

Procurement, Sales

Eisen-Müller GmbH

Industry experience

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

Experienced in Manufacturing, Pharmaceutical, Automotive, Telecommunication, Chemical, and Metals and Mining.

Manufacturing

Pharmaceutical

Automotive

Telecommunication

Chemical

Metals and Mining

Business area experience

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

Experienced in Procurement, Supply Chain Management, Logistics, Finance, Operations, and Information Technology.

Procurement

Supply Chain Management

Logistics

Finance

Operations

Information Technology

Skills

Microsoft Office
Erp System Sap 6.0 As Key User Mm, S4/Hana, Very Good Knowledge Of Pp, Sd
Psi Penta, Key User
Navision 2018, Business Central
Steeb As400
Infor
Ap+
Business Information Systems Studies At Akad, Completed The Basic Studies

Languages

German

Native

English

Advanced

French

Intermediate

Education

Sep 2003 - Oct 2004

EMA AG

Diplom-Betriebswirt · Business Administration · Freiburg im Breisgau, Germany

Mar 1998 - May 2000

Betriebswirt IHK · Business Administration

Dec 1989 - Jun 1991

Groß- und Außenhandelskaufmann · Wholesale and Foreign Trade

...and 2 more

Statistics

Experience

Total positions 23

Experience in Manufacturing 28.5 y

Avg length 1 y 4 m

Longest experience 9 y 6 m

Global experience

Countries worked in 1 (Austria)

Primary country Austria

Expertise

Recent roles Interim SAP Consultant MM/ WM S4 HANA Project, Interim Manager, Castings Procurement, Interim SAP Master Data Manager and Procurement

Main industries Manufacturing, Pharmaceutical, Automotive

Main business areas Procurement, Supply Chain Management, Logistics

Qualifications

Member since

November 2023

Last update

October 2026

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Frequently asked questions

Have questions? Find more information here.

Matthias is based in Teningen, Germany.

Matthias speaks the following languages: German (Native), English (Advanced), French (Intermediate).

Matthias has at least 32 years of experience. During this time, Matthias has worked in at least 23 different roles and for 21 different companies. The average length of individual experience is 1 year and 5 months. Note that Matthias may not have shared all experience and actually has more experience.

Based on recent experience, Matthias would be well-suited for roles such as: Interim SAP Consultant MM/ WM S4 HANA Project, Interim Manager, Castings Procurement, Interim SAP Master Data Manager and Procurement.

Matthias's most recent position is Interim SAP Consultant MM/ WM S4 HANA Project at Industrial Production.

In recent years, Matthias has worked for Industrial Production, Drive Technology, Pharmaceutical Company, Mechanical Engineering Company, and Telecommunications Company.

Matthias is most experienced in industries like Manufacturing, Pharmaceutical, and Automotive. Matthias also has some experience in Telecommunication, Chemical, and Metals and Mining.

Matthias is most experienced in business areas like Procurement, Supply Chain Management, and Logistics. Matthias also has some experience in Finance, Operations, and Information Technology.

Matthias has recently worked in industries like Manufacturing, Pharmaceutical, and Automotive.

Matthias has recently worked in business areas like Procurement, Supply Chain Management, and Information Technology.

Matthias attended EMA AG for Business Administration.

Matthias is immediately available full-time for suitable projects.

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Daily rate avg. 1056 €

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Median rate 1000 €

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Calculated based on our freelancers’ daily rates as of 6 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.