Christian Kämmerer - Consultant “S/4HANA Implementation in 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 7 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 7 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 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, and insert molding 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 (IT) , 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 (IT) , Procurement and Purchasing , 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 (IT) , and Manufacturing .

Q: Which business areas has Christian worked in recently?

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

Recommended expert

Kürnach, Germany

Experience

Jan 2023 - Present

3 years 2 months

Consultant “S/4HANA Implementation in MM Module”

ABISCON GmbH

Support of the SAP modules “Sourcing & Procurement” as part of the “S/4HANA Brownfield” rollout project 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 to design and implementation (customizing, programming)
Optimization and documentation of business processes and applications
Responsible implementation of the S/4HANA rollout as an external consultant
Independent problem analysis and resolution
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 support of users in connection with the rollout

Apr 2022 - Jun 2023

1 year 3 months

Subproject Manager “S/4HANA Implementation in 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” to maximize the use of Best-Practice processes in S/4HANA
Recording of as-is processes with key users and process owners, comparing them to Best-Practice processes using process visualization in Microsoft Visio
Development and definition of target requirements (systemic/processual) in collaboration with functional areas
Selection and definition of suitable Fiori apps to optimally map customer-specific requirements according to Best-Practice processes
Evaluation and assessment of options for process harmonization between different plants/sites to avoid workarounds
Development of cross-module solution concepts to systemically close gaps from an end-to-end perspective using SAP standard

Apr 2022 - Oct 2022

7 months

Consultant “SAP ERP 6.0 Optimization in 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 within automatic source determination
Evaluation of options and limitations for planning and visualizing rough and detailed production planning in SAP ECC vs. SAP S/4HANA, including market analysis of competitor solutions and preparation for top management
Development and implementation of a solution to avoid duplicate order texts from info records and order text, including customizing
Development and go-live of a new costing schema for automatic price determination in procurement

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

Aug 2021 - Mar 2022

8 months

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

All for One Group SE

Recording 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 to systematically close the gaps
Customizing the systems regarding organizational units, number ranges, document types, movement types, item categories, user parameters, etc.
Definition of Fiori apps to map requirements according to the target process
Support of the technical development of custom apps regarding recurring customer needs such as subscriptions, licenses, etc.
Planning and execution of integration tests
Training of key users including preparation of documentation materials

Jul 2021 - Jun 2023

2 years

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

2nd-tier mechanical engineering supplier for couplings and components

Independent analysis, design, implementation and rollout of selected MM and PP processes as part of the redesign of logistics processes and production planning and control using PP-DS
Designing target processes, defining standards in coordination with business departments 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 departments
Customizing deviations in the PP area such as bill of materials usage, routings, variant configuration and batch creation, etc.
Preparing training materials and test plans in English/German
Leading integration tests and go-live activities
Change management and regular coordination with business departments 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

Documenting and modeling current processes with business departments in Signavio and transferring them to the central Business Process Master List (BPML)
Cross-departmental 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 departments and updating 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 represent use cases in coordination with business departments 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 conducting process current-state 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 and conducting fit/gap analyses and process optimizations through remote workshops with key users and process owners
Comparing against SAP best practice and All for One Right Practice processes using the All For One business process library
Evaluating and consolidating target processes
Precisely creating potential and organizational analyses as the 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”

World market leader for pumps, valves and services

Responsible for and managing the subproject with an agile approach, including management of the three business areas (network, applications, databases)
Close collaboration with the project manager from the business unit
Interface role to other subprojects, e.g. security, SAP migration, Citrix
Project planning and controlling (time/budget/resources)
Creating and preparing weekly status reports and presenting subproject status in the steering committee
Communicating and, if necessary, 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 German/English regarding the transition process, integration of security requirements, etc.
Establishing and managing risk management and the change request process
Collaborating on developing the transition concept and collecting and evaluating requirements from the subproject perspective
Conflict management within the team

Jan 2020 - Jul 2020

7 months

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

Market leader in Germany for electrical connections and charging stations

Training business departments on the optimal use of MM functionalities
Efficient preparation and execution of project workshops and training sessions
Creating process descriptions and user documentation
Conducting integration tests and providing go-live support
Successfully configuring the SAP system
Customizing SAP organizational 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

Profitable design, planning and development of a project to realign spare parts logistics
Independent analysis and design of logistical, administrative and planning processes
Preparation and formatting of analyses and decision papers for the Steering Committee
Management and optimization of the supply chain
Achievements: reduced safety stock by approx. 11% while increasing availability to >80%
IT solutions used: SAP Business Warehouse and simulation tools based on the LAKOR method

Apr 2017 - Jun 2018

1 year 3 months

Project Lead New Design of Materials Planning

Institute for Inventory Optimization

Independent planning, design and development of a strategy project for the analysis, design and implementation of operational and strategic materials planning processes along the supply chain in a three-tier distribution network
Successful implementation of a test system, including planning and conducting simulation runs
Achievements: increased forecast accuracy from 71% to 82%, improved item availability to >98%, reduced safety stock by 18% and decreased inventory coverage by 21%
IT solutions used: leading planning tool, best-pick forecasting method with automatic outlier detection and correction as well as robust trend detection, simulation tools based on the LAKOR method

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 Professional Services (6 years), Information Technology (3.5 years), Manufacturing (3.5 years), Automotive (1.5 years), and Energy (0.5 years).

Professional Services

Information Technology

Manufacturing

Automotive

Energy

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 (6 years), Procurement (5 years), Project Management (4.5 years), Supply Chain Management (3 years), Operations (1.5 years), and Logistics (1 year).

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 guide your customers in making the most of their SAP solutions in the logistics area, focusing on MM/PP. Precisely linking the ERP system with its processes is crucial. This requires a deep understanding of both the system and its processes. I have gained this through many years of consulting and solid knowledge of logistics processes. This way, I ensure a seamless integration of the SAP solution with people, strategies, processes, and functions that are vital for your competitive edge.

Skills

10 Years Of Experience In Sap Consulting (Self-employed And At A Leading Sap Consulting Firm), Across Industries
Focus On Sap Ecc And S/4hana Logistics Modules Mm And Pp
Multiple Successful S/4hana Implementations In Sap Mm/pp
Proven Expertise In Harmonizing And Standardizing Business Processes Using Sap Best Practices/all For One-right Practice Approaches
Business Process Analysis And Modeling According To Bpmn 2.0 Conventions, Including Bpml Creation
Several Years Of Experience Leading Strategy Projects For Planning And Designing Global Logistics Networks
Planning, Managing, And Controlling Complex Supply Chains In Global Distribution And Production Networks

Languages

German

Advanced

English

Advanced

Education

Executive MBA · Business Informatics

PhD · Value-Oriented Inventory Management

Certifications & licenses

SAP MM Consultant Procurement ERP 6.0 EhP 7

Profile

Created

June 2025

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Frequently asked questions

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

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 7 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 7 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 MM Module”, Subproject Manager “S/4HANA Implementation in PP Module”, Consultant “SAP ERP 6.0 Optimization in MM Module”.

What is Christian's latest experience?

Christian's most recent position is Consultant “S/4HANA Implementation in 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, and insert molding 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 (IT), 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 (IT), Procurement and Purchasing, 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 (IT), and Manufacturing.

Which business areas has Christian worked in recently?

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

What is Christian's education?

Christian holds a Doctorate in Value-Oriented 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 is immediately available for suitable projects.

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.