Christian Kämmerer - Consultant “S/4HANA Implementation in the MM Module”

Q: Where is Christian based?

Christian is based in Kürnach, Germany .

Q: What languages does Christian speak?

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

Q: How many years of experience does Christian have?

Christian has at least 8 years of experience. During this time, Christian has worked in at least 12 different roles and for 9 different companies . The average length of individual experience is 1 year and 8 months . Note that Christian may not have shared all experience and actually has more experience.

Q: What is Christian's latest experience?

Christian's most recent position is Consultant “S/4HANA Implementation in the MM Module” at ABISCON GmbH .

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

In recent years, Christian has worked for ABISCON GmbH , CSV GmbH , All for One Group SE , 2nd-tier mechanical engineering supplier for couplings and components , 2nd-tier niche supplier for actuation, insert molding, and and hybrid assemblies in the automotive sector .

Q: Which industries is Christian most experienced in?

Christian is most experienced in industries like Professional Services , Information Technology , and Manufacturing . Christian also has some experience in Automotive and Energy .

Q: Which business areas is Christian most experienced in?

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

Q: Which industries has Christian worked in recently?

Christian has recently worked in industries like Professional Services , Information Technology , and Manufacturing .

Q: Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology , Procurement , and Project Management .

Recommended expert

Kürnach, Germany

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Experience

Jan 2023 - Present

3 years 6 months

Consultant “S/4HANA Implementation in the MM Module”

ABISCON GmbH

Support of the SAP modules “Sourcing & Procurement” as part of the “S/4HANA Brownfield” project rollout for the entire company
Analysis, design, and organization of IT-supported business processes
Further development of SAP MM from ECC 6.0 to S/4HANA, from requirements/process analysis through design to implementation (customizing, programming)
Optimization and documentation of business processes and applications
Responsible for implementing the S/4HANA rollout as an external consultant
Independent analysis and resolution of issues
Definition of change requests and their implementation/testing in collaboration with internal key users and process owners
Support for SAP key users in Germany, Austria, and Switzerland
Training and supporting end users as part of the rollout

Apr 2022 - Jun 2023

1 year 3 months

Subproject Manager “S/4HANA Implementation in the PP Module”

CSV GmbH

Development of a global group template based on SAP S/4HANA best-practice processes using a greenfield approach
Planning, design, and execution of fit-gap analyses aiming at maximum use of best-practice processes in S/4HANA
Survey of as-is processes with key users and process owners, comparing them with best-practice processes using process visualization in Microsoft Visio
Development and definition of target requirements (systemic/process) in collaboration with functional departments
Selection and definition of suitable Fiori apps to best cover customer requirements according to best-practice process
Evaluation and assessment of options for process harmonization between different plants/sites to avoid workarounds
Development of cross-module solution concepts for system-based closure of gaps from an end-to-end perspective using SAP standard

Apr 2022 - Oct 2022

7 months

Consulting “SAP ERP 6.0 Optimization in the MM Module”

CSV GmbH

Development, design, and implementation of a set order consisting of two material numbers under a parent material number
Development and evaluation of solution scenarios for mass changes in the order book as part of automatic source determination
Evaluation of possibilities and limits for planning and visualizing rough-cut and detailed production planning in SAP ECC vs. SAP S/4HANA, including a market analysis of competing solutions and presentation to top management
Development and implementation of a solution to avoid duplicate order texts from info record and order text, including customizing
Development and go-live of a new pricing schema for automatic price determination in purchasing

Sep 2021 - Mar 2022

7 months

Agile Project Lead “Optimization of E2E Processes in MM and WM (SAP ECC)”

All for One Group SE

Optimization, further development, and rethinking of the material management and logistics end-to-end processes in MM and WM by increasing the level of digitalization and automation in terms of guided buying, platform-based procurement using SAP standard functions
Professional and agile project planning, control, and preparation of all relevant master and transaction data in SAP Embedded Analytics
Close collaboration with cross-functional areas, suppliers, and supporting internal functions through remote workshops
Conducting process analyses and assessing potential for cross-module and cross-area process optimization or harmonization from an end-to-end perspective
Management of material master data (creation, change, and blocking), including mass data changes
Creation or modification of company codes, plants, storage locations, etc.
Setup of the order book, maintenance of quotas, MRP parameters, lot sizes, etc.

Aug 2021 - Mar 2022

8 months

Project Lead “S/4HANA Implementation in the MM Module”

All for One Group SE

Survey of as-is processes together with central purchasing and market unit purchasing using BPMN diagrams
Development and definition of target requirements with functional areas
Fit-gap analysis of best/right practice processes and development of solution concepts for system-based closure of gaps
Customizing of systems regarding organizational units, number ranges, document types, movement types, item types, user parameters, etc.
Definition of Fiori apps to map requirements according to the target process
Support of technical development of custom apps for recurring customer needs such as subscriptions, licenses, etc.
Planning and execution of integration tests
Training of key users, including creation of documentation materials

Jul 2021 - Jun 2023

2 years

Project Lead “S/4HANA Implementation in MM and PP Module”

2nd-tier mechanical engineering supplier for couplings and components

Independent analysis, design, realization and implementation of selected MM and PP processes as part of redesigning logistics processes and production planning and control using PP-DS
Designing target processes, defining standards in coordination with business units, and independently implementing them in test and production systems
Creating functional specifications and implementing them in the relevant module
Designing and developing SAP applications and functions in direct contact with (global) key users and business units
Customizing deviations in the PP area such as BOM usage, routings, variant determination, batch creation, etc.
Preparing training materials and test plans in English/German
Leading integration tests and go-live
Change management and regular coordination with business units and stakeholders

Jun 2021 - Sep 2021

4 months

Project Manager “BPML Creation and Migration in SAP Solution Manager”

2nd-tier niche supplier for actuation, insert molding, and hybrid assemblies in the automotive sector

Recording and modeling of as-is processes with business units in Signavio and transferring them to the central Business Process Master List (BPML)
Cross-department analysis and modeling of core processes such as make-to-order, engineer-to-order, order-to-cash, purchase-to-pay, install-to-repair, plan-to-order, and record-to-report
Defining target processes in coordination with business units and adjusting them in Signavio
Defining and supporting the technical development of interfaces for automated import and export between Signavio and SAP Solution Manager
Designing, defining, and setting up process libraries in SAP Solution Manager based on SAP best-practice methodology
Planning and executing test scenarios to map use cases in coordination with business units and stakeholders

Jan 2020 - Jul 2021

1 year 7 months

Process Manager “Pre-Study S/4HANA Transformation”

1st-tier automotive supplier and market leader for safety technology in Europe

Planning, designing, and executing process-based as-is analyses according to BPMN 2.0 conventions
Independently developing and modeling target level-3 end-to-end processes in SAP SD, PM, PP, MM, WM, PS, FI, and CO
Structuring, planning, and conducting fit/gap analyses and process optimizations through remote workshops with key users and process owners
Aligning with SAP best practices and All for One Right Practice processes based on the All For One process library
Evaluating and consolidating target processes
Accurately preparing potential and organizational analyses as a basis for an S/4HANA roadmap
IT solutions used: SAP ECC 6.0, EhP 6.0, and Signavio

Jan 2020 - May 2021

1 year 5 months

Subproject Lead “Application Transition”

Global market leader for pumps, valves, and services

Responsibility and management of the subproject with an agile approach, including overseeing the three business areas (network, applications, databases)
Close collaboration with the project manager from the business unit
Serving as interface to other subprojects, e.g., security, SAP migration, Citrix
Project planning and controlling (time, budget, resources)
Creating and preparing weekly status reports and presenting the subproject status in steering committee meetings
Communicating and, if needed, escalating challenges that cannot be resolved within the project team to the project manager or project sponsor
Developing and maintaining communication and reporting structures within the project and with other subprojects
Preparing documentation in English/German regarding transition process, integration of security requirements, etc.
Establishing and managing risk management and change request processes
Contributing to the development of the transition concept and collecting and evaluating requirements from the subproject perspective
Conflict management within the team

Jan 2020 - Jul 2020

7 months

SAP S/4HANA Greenfield Implementation Consultant in the MM Module

Market leader in Germany for electric connections and charging stations

Training business units on optimal use of MM functionalities
Efficiently preparing and conducting project workshops and training sessions
Creating process descriptions and user documentation
Conducting integration tests and providing go-live support
Successfully parameterizing the SAP system
Customizing SAP org units, number ranges, document types, etc.
IT solutions used: SAP S/4HANA 1909

Jan 2018 - Jul 2018

7 months

Project Lead Global Parts Logistics Excellence

Institute for Inventory Optimization

Value-adding design, planning and development of a project to realign spare parts logistics
Independently analyzed and designed logistical, administrative and planning processes
Created and prepared analyses and decision papers for the steering committee
Managed and optimized the supply chain
Achievements: Reduced safety stock by about 11% while increasing availability to over 80%
Used IT solutions: SAP Business Warehouse and simulation tools based on the LAKOR method

Apr 2017 - Jun 2018

1 year 3 months

Project Lead for Material Planning Redesign

Institute for Inventory Optimization

Independently planned, designed and developed a strategy project to analyze, design and implement operational and strategic material planning processes along the supply chain in a three-tier distribution network
Successfully implemented a test system, including planning and executing simulation runs
Achievements: Increased forecast accuracy from 71% to 82%, raised item availability to over 98%, reduced safety stock by 18% and cut inventory coverage by 21%
Used IT solutions: leading planning tool, Best-Pick forecasting method with automatic outlier detection and correction as well as reliable trend detection, simulation tools based on the LAKOR method

Industry Experience

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

Experienced in Professional Services, Information Technology, Manufacturing, Automotive, and Energy.

Professional Services

Information Technology

Manufacturing

Automotive

Energy

Business Area Experience

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

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

Information Technology

Procurement

Project Management

Supply Chain Management

Operations

Logistics

Summary

As an experienced SAP consultant, I apply my expertise in ECC and S/4HANA to support your customers in making the best use of their SAP solutions in the logistics area, focusing on MM/PP. The precise linking of the ERP system with its related processes is essential. This requires a thorough understanding of systems and processes. I have gained this through many years of consulting as well as solid knowledge of logistics processes. This way, I ensure a perfect interaction of the SAP solution with people, strategies, processes, and functions that are critical to your competitive advantage.

Skills

10 Years Of Experience In Business Consulting In The Sap Environment (Self-Employed And Leading Sap Consulting Firm), Across Industries
Focus On Logistics Modules Mm And Pp In Sap Ecc And S/4hana
Several Successful S/4hana Rollouts In Sap Mm/Pp
Relevant Expertise In Harmonizing And Standardizing Business Processes According To Sap Best Practice/All For One-Right Practice Approaches
Business Process Analysis And Modeling According To Bpmn 2.0 Conventions, Including Bpml Creation
Many Years Of Experience Leading Strategy Projects For Planning And Designing Global Logistics Networks
Planning, Controlling, And Monitoring Complex Supply Chains In Global Distribution And Production Networks

Languages

German

Advanced

English

Advanced

Education

Executive MBA · Business Informatics

PhD · Value-based Inventory Management

Certifications & licenses

SAP MM Consultant Procurement ERP 6.0 EhP 7

Statistics

Experience

Total positions 12

Experience in Professional Services 6 y

Avg length 1 y 1 m

Longest experience 3 y 5 m

Expertise

Recent roles Consultant “S/4HANA Implementation in the MM Module”, Subproject Manager “S/4HANA Implementation in the PP Module”, Consulting “SAP ERP 6.0 Optimization in the MM Module”

Main industries Professional Services, Information Technology, Manufacturing

Main business areas Information Technology, Procurement, Project Management

Qualifications

Highest degree Doctorate

Certifications earned 1

Profile

Created

June 2025

Last Update

June 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Christian based?

Christian is based in Kürnach, Germany.

What languages does Christian speak?

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

How many years of experience does Christian have?

Christian has at least 8 years of experience. During this time, Christian has worked in at least 12 different roles and for 9 different companies. The average length of individual experience is 1 year and 8 months. Note that Christian may not have shared all experience and actually has more experience.

What roles would Christian be best suited for?

Based on recent experience, Christian would be well-suited for roles such as: Consultant “S/4HANA Implementation in the MM Module”, Subproject Manager “S/4HANA Implementation in the PP Module”, Consulting “SAP ERP 6.0 Optimization in the MM Module”.

What is Christian's latest experience?

Christian's most recent position is Consultant “S/4HANA Implementation in the MM Module” at ABISCON GmbH.

What companies has Christian worked for in recent years?

In recent years, Christian has worked for ABISCON GmbH, CSV GmbH, All for One Group SE, 2nd-tier mechanical engineering supplier for couplings and components, 2nd-tier niche supplier for actuation, insert molding, and and hybrid assemblies in the automotive sector.

Which industries is Christian most experienced in?

Christian is most experienced in industries like Professional Services, Information Technology, and Manufacturing. Christian also has some experience in Automotive and Energy.

Which business areas is Christian most experienced in?

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

Which industries has Christian worked in recently?

Christian has recently worked in industries like Professional Services, Information Technology, and Manufacturing.

Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology, Procurement, and Project Management.

What is Christian's education?

Christian holds a Doctorate in Value-based Inventory Management and a Master in Business Informatics.

Does Christian have any certificates?

Christian has 1 certificate: SAP MM Consultant Procurement ERP 6.0 EhP 7.

What is the availability of Christian?

Christian will be available part-time from July 2026.

What is the rate of Christian?

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