Falk Schlüsener - Freelancer

Q: Where is Falk based?

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

Q: What languages does Falk speak?

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

Q: How many years of experience does Falk have?

Falk has at least 31 years of experience. During this time, Falk has worked in at least 11 different roles and for 11 different companies . The average length of individual experience is 3 years and 9 months . Note that Falk may not have shared all experience and actually has more experience.

Q: What is Falk's latest experience?

Falk's most recent position is Freelancer at SOL4ERP SAP Consulting Schlüsener .

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

In recent years, Falk has worked for SOL4ERP SAP Consulting Schlüsener , Swisscom (Schweiz) AG , and Aveniq Avectris AG .

Q: Which industries is Falk most experienced in?

Falk is most experienced in industries like Information Technology , Banking and Finance , and Government and Administration . Falk also has some experience in Manufacturing , Transportation , and Utilities .

Q: Which business areas is Falk most experienced in?

Falk is most experienced in business areas like Finance , Information Technology , and Accounting . Falk also has some experience in Project Management .

Q: Which industries has Falk worked in recently?

Falk has recently worked in industries like Banking and Finance , Utilities , and Telecommunication .

Q: Which business areas has Falk worked in recently?

Falk has recently worked in business areas like Finance , Information Technology , and Project Management .

Recommended expert

Adliswil, Switzerland

Check rate

Experience

Jun 2025 - Present

1 year 2 months

Hybrid

Freelancer

SOL4ERP SAP Consulting Schlüsener

Self-employed Senior SAP FI/CO Consultant

Support services for SAP transformations
Support services for SAP FI projects (based on ECC and S/4)

Apr 2022 - May 2025

3 years 2 months

Senior Business Consultant, SAP FI/CO

Swisscom (Schweiz) AG

Transformation SAP ECC – SAP S4H
Subproject management, functional consulting, customizing

Jan 2019 - Mar 2022

3 years 3 months

Senior Application Consultant, SAP FI/CO; FI-CA/IS-U

Aveniq Avectris AG

Jun 2018 - Dec 2018

7 months

Senior Application Consultant, SAP FI

Capgemini Deutschland GmbH

Jul 2016 - May 2018

1 year 11 months

Lead SAP FI Consultant (external consulting, finance)

NTT DATA Deutschland GmbH

Mar 2015 - Jun 2016

1 year 4 months

Expert SAP Financial

Franz Haniel GmbH & Cie

Application management for SAP FI / CO / TRM
1st-level support
In-house projects (finance / Treasury Risk and Management)

Jan 2014 - Mar 2015

1 year 3 months

Senior SAP Financial / Controlling Business Consultant

Lodestone Management Consultants GmbH

Consulting services in the SAP FI module
Follow-up on FI / CO implementation project topics

Jan 2010 - Dec 2014

5 years

SAP Financial / Controlling Business Consultant

T-Systems International GmbH

Consulting services in the SAP FI module
Creation of functional and technical concepts
Carrying out system customizing in the SAP FI module
Further development of business topics, e.g. e-balance sheet or SEPA
Conducting trainings (key users)
Analysis and preliminary planning
Project controlling
Project management

Jan 2005 - Dec 2010

6 years

Financial Accounting / SAP Key User

Kommunales Rechenzentrum Niederrhein

Processing accounts receivable and accounts payable
Preparation and support of annual financial statements (according to HGB)
Project for introducing NKF in the data center
Project for introducing SAP Kommunalmaster in the data center with the SAP modules FI-GL, CO, SD, PSM, PSCD

Jan 2000 - Dec 2005

6 years

Controlling / IT Administration

Sandvik Materials Technology GmbH

Processing in internal accounting: customer valuation, material valuation, stock movements
Setup of SAP R/3 with the CO module
Administration of IT networks
Support for field service employees (1st-level support)
Training employees in Microsoft Office (Excel, PowerPoint, Word) and Lotus Notes

Jan 1996 - Dec 2000

5 years

Financial Accounting

Flughafen Düsseldorf GmbH

Accounts receivable processing
Preparation of outgoing invoices
Collection of receivables through dunning procedures
Preparation and support of period closings
Process descriptions for SAP R/2 RF dialog

Industry Experience

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

Experienced in Information Technology, Banking and Finance, Government and Administration, Manufacturing, Transportation, and Telecommunication.

Information Technology

Banking and Finance

Government and Administration

Manufacturing

Transportation

Telecommunication

Business Area Experience

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

Experienced in Finance, Information Technology, Accounting, and Project Management.

Finance

Information Technology

Accounting

Project Management

Summary

30 years of professional experience in external and internal accounting in various companies
Industry experience in aviation, wholesale and foreign trade, public sector, telecommunications, energy sector, automotive, manufacturing, and food industry
Process consulting for external accounting as well as handling internal and external payment flows
Subproject management for external accounting
Description and modeling of business processes in external accounting
Technical implementation of the modeling
Pre-sales support for SAP modules (FI-AP; FI-AR; FI-GL)
Pre-sales support for legal topics (e-balance sheet and SEPA)

Skills

Mcp For Windows 2000, Professional & Server
Sap R/2 Dialog Rf
Sap R/3 Modules Fi (Aa, Ap, Ar, Fi-Ca), Co, Sd, Srm, Ps-Cd, Is-U
Sap S/4 Hana 1709, 1809, 1909, 2020, 2021, 2023 (Core, Onpromise)

Languages

German

Native

English

Advanced

Education

Oct 1994 - Jun 1996

Flughafen Düsseldorf GmbH

Training as an office administrator · Office Administrator · Düsseldorf, Germany

Oct 1992 - Jun 1994

Higher Commercial School for Business and Administration

University of Applied Sciences entrance qualification · Business and Administration

Certifications & licenses

Advanced training as balance sheet accountant (HGB, without exam)

IHK certification Office Administrator

MCP for Windows 2000, Professional & Server

Statistics

Experience

Total positions 11

Experience in Information Technology 6.5 y

Avg length 3 y 1 m

Longest experience 5 y 11 m

Expertise

Recent roles Freelancer, Senior Business Consultant, SAP FI/CO, Senior Application Consultant, SAP FI/CO; FI-CA/IS-U

Main industries Information Technology, Banking and Finance, Government and Administration

Main business areas Finance, Information Technology, Accounting

Qualifications

Certifications earned 3

Profile

Created

May 2026

Last Update

July 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Falk based?

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

What languages does Falk speak?

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

How many years of experience does Falk have?

Falk has at least 31 years of experience. During this time, Falk has worked in at least 11 different roles and for 11 different companies. The average length of individual experience is 3 years and 9 months. Note that Falk may not have shared all experience and actually has more experience.

What roles would Falk be best suited for?

Based on recent experience, Falk would be well-suited for roles such as: Freelancer, Senior Business Consultant, SAP FI/CO, Senior Application Consultant, SAP FI/CO; FI-CA/IS-U.

What is Falk's latest experience?

Falk's most recent position is Freelancer at SOL4ERP SAP Consulting Schlüsener.

What companies has Falk worked for in recent years?

In recent years, Falk has worked for SOL4ERP SAP Consulting Schlüsener, Swisscom (Schweiz) AG, and Aveniq Avectris AG.

Which industries is Falk most experienced in?

Falk is most experienced in industries like Information Technology, Banking and Finance, and Government and Administration. Falk also has some experience in Manufacturing, Transportation, and Utilities.

Which business areas is Falk most experienced in?

Falk is most experienced in business areas like Finance, Information Technology, and Accounting. Falk also has some experience in Project Management.

Which industries has Falk worked in recently?

Falk has recently worked in industries like Banking and Finance, Utilities, and Telecommunication.

Which business areas has Falk worked in recently?

Falk has recently worked in business areas like Finance, Information Technology, and Project Management.

What is Falk's education?

Falk attended Flughafen Düsseldorf GmbH for Office Administrator.

Does Falk have any certificates?

Falk has 3 certificates. These include: Advanced training as balance sheet accountant (HGB, without exam), IHK certification Office Administrator, MCP for Windows 2000, and Professional & Server.

What is the availability of Falk?

Falk is immediately available part-time for suitable projects.

What is the rate of Falk?

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