Thomas Rexroth - Consultant

Berlin, Germany

Experience

May 2021 - Nov 2021

7 months

Consultant

Public Sector Research Institution

Consultancy on establishing "state of the art" SAP support processes
Migration to SAP S/4 HANA and implementation of the PSM module "Grant Management"
"xInvoice" and integration with invoice portals
Software and technologies used: SAP ECC 6.0, SAP S/4HANA 2020, FIORI, SAP ZOOM, Camunda process modeling, Notepad++

Nov 2020 - Nov 2020

1 month

Walldorf, Germany

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SAP SE

Certification as “SAP Authorized Trainer”
Certification as an author for SAP Enable Now

Jun 2020 - Present

5 years 2 months

Potsdam, Germany

Consultant

Public Sector

Consultancy on SAP PSM and SAP FI and migration to S/4 HANA
Software and technologies used: SAP ECC 6.0, SAP S/4HANA 2020

Mar 2020 - Jan 2022

1 year 11 months

Munich, Germany

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Public Sector

S/4HANA implementation project
PS-CD Ticketing, SAP Business Partner (S/4 HANA)
On-site and online
Software and technologies used: SAP ECC 6.0, SAP S/4HANA 1909, Cisco Webex

Mar 2020 - Mar 2020

1 month

Self-Study

Self-study in ESN collaboration tools (Enterprise Social Network)
Software and technologies used: SAP ZOOM, Webex, GoTo Meeting, Skype, TeamViewer, SAP JAM, WonderMe platform, MURAL (virtual whiteboard)

Nov 2019 - Nov 2019

1 month

Berlin, Germany

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Scrum Alliance

Certification as SCRUM Master

Aug 2019 - Present

6 years

Herford, Germany

Consultant

SAP Consulting Firm

Workshops on S/4HANA delta: What's changing with the switch to S/4HANA?
Consultancy on S/4 HANA FI/CO
Software and technologies used: SAP S/4 HANA 2021, FIORI, MS TEAMS, SAP ZOOM, SAP for ME

Jul 2019 - Present

6 years 1 month

Germany

Consultant

SAP SE

Engaged directly by SAP SE
Consultancy on S/4 HANA business partner concept
Migration SAP R/3 to SAP S/4 HANA
SAP S/4 HANA FI/CO
Software and technologies used: SAP S/4 HANA 2021, FIORI, SAP Business Partner, SAP S/4 HANA Migration and S/4H FI/CO, SAP ZOOM, SAP Companion

Jul 2019 - Feb 2020

8 months

Germany

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Public Sector

Rollout of SAP HCM at public agencies (HCM-OM, -SW, -PA, -LSO, -EH&S)
Software and technologies used: SAP ECC 6.0, SAP Portal

Jul 2019 - Jul 2019

1 month

Walldorf, Germany

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SAP SE

Certification as “SAP Certified Application Associate - Business Process Integration with SAP S/4HANA”
Fiori UX, basics of S/4HANA, FI, CO, EAM, HCM, O2C (SD), WM, P2P (PP), P2P (MM), PS, CATS, PM

Dec 2017 - Jul 2019

1 year 8 months

Berlin, Germany

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Retail

Migration to SAP (SD, CS) and back-office software
Software and technologies used: SAP ECC 6.0, SAP NetWeaver Business Client 5.0, SAP SD, CS, back-office software, Cisco WebEx, VPN: Check Point Mobile

Sep 2017 - Dec 2019

1 year 4 months

Berlin, Germany

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Automotive Supplier

Conversion of a workflow to SAP FIORI (SAP SD, PS)
Software and technologies used: SAP ERP ECC 6.0, FIORI, SD, PS, LSO, CISCO Webex, Adobe Captivate, Skype Business, JIRA, Apps: Wunderlist, Time Track

Feb 2017 - Sep 2017

8 months

Aachen, Germany

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Armed Forces

System upgrades in SAP PSM, FI, CO, MM, SD, PS
Software and technologies used: SAP ERP ECC 6.0, PSM, FI, CO, MM, SD, PS

Dec 2015 - Feb 2017

1 year 3 months

Berlin, Germany

Consultant

Infrastructure and Logistics

Consultancy on SAP CO, PS
Software and technologies used: SAP ERP ECC 6.0, CO, PS

Nov 2015 - Jan 2017

1 year 3 months

Düsseldorf, Germany

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Federal State

Introduction of SAP PS-CD, FI, CO, PS, PM, SD, MM
Software and technologies used: SAP ERP ECC 6.0, PS-CD, FI, CO, PM, CS, SD, MM

Jun 2015 - Oct 2015

5 months

Düsseldorf, Germany

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Consumer Goods Industry

Global rollout (FI, CO, SD, MM)
Project language: English
Software and technologies used: SAP ERP ECC 6.0, SAP GUI 7.3, SAP Solution Manager, SAP LSO (learning platform), CISCO AnyConnect, HP ALM QC 11.0, IBM Rational ClearQuest Web 8.0.1, UPK 12.1 (User Performance Kit)

Nov 2013 - May 2015

1 year 7 months

Germany

Support

Management Consultancy

Support in SAP fundamentals topics in FI (FI-GL, FI-AP, FI-AR, FI-BL, FI-AA), CO (CO-CCA, CO-OM, CO-PA), PS, CATS, MM, SD, PP, HCM
Including interfaces between modules (e.g.: FI/MM, FI/SD)
Software and technologies used: SAP ERP ECC 6.0, netucate

Aug 2013 - Oct 2013

3 months

Munich, Germany

Support

Financial Services

Support in SAP basics and SAP Business Partner
Software and technologies used: SAP ERP ECC 6.0, SAP BP (Business Partner), SAP CML

Aug 2012 - Jul 2013

1 year

Essen, Germany

Support

Heavy Industry

Global data and process harmonization
Support in SAP FI (New GL, -AP, -AR, -AA, -BL), FS-CM
Software and technologies used: SAP ECC 6.0, Brainloop/Document Compliance Management, Assima ATS6.21 and ACMS

Jul 2010 - Jun 2012

2 years

Erfurt, Germany

Support

Capital Goods Industry

Global rollout of new business processes
Support SAP FI (-GL, -AP, -AR, -AA), CO (CO-CCA, CO-OM, CO-PA), PS (e.g.: CATS), CIP2SAP, CLplus
Participation in functional test, user acceptance test, integration test
Project language: English
Software and technologies used: SAP ECC 6.0, SAP EP-Portal, Oracle UPK (User Performance Kit) 3.6.1, Oracle Knowledge Pathways 5.5.0, MS SharePoint Server 2007

Nov 2009 - Jul 2010

9 months

Düsseldorf, Germany

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Federal State

Introduction of SAP PS-CD, PSM, FI, CO, PS including customizing
Software and technologies used: SAP ERP ECC 6.0, PS-CD, PSM, FI, CO, PS

Nov 2009 - Nov 2009

1 month

Hamburg, Germany

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Management Consultancy

Preparation of documentation for SAP FS-CD (customizing and application)
FS-CD support, functional and integration testing

Oct 2009 - Oct 2009

1 month

Self-Study

Public Sector

Self-study in modules PS-CD, PSM

Sep 2009 - Sep 2009

1 month

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Solution Provider

Own certification in EPSS systems (electronic performance support systems): UPK (User Performance Kit)/Oracle (formerly OnDemand/Global Knowledge) version 3.5.1, Datango Performance Suite 2010/SAP WPB (Workforce Performance Builder)

Sep 2009 - Sep 2009

1 month

Walldorf, Germany

SAP FS-CD Refresher

SAP

Application and customizing

Oct 2008 - May 2009

8 months

Berlin, Germany

Support

Mechanical Engineering

Global rollout of SAP FI (-GL, -AP, -AR, -AA), CO, PS (e.g. CATS)
Participation in functional test, user acceptance test, integration test
Support FI (-GL, -AP, -AR, -AA), CATS
Project language: English
Software and technologies used: SAP ERP 2005, SAP Solution Manager, uPerform/RWD or SAP Productivity Pak (SPP)/SAP, MS SharePoint Portal

Apr 2007 - Sep 2008

1 year 6 months

Hanover, Germany

Support

Financial Services

Introduction of SAP FS-RI, FS-CD
Participation in functional test, user acceptance test, integration test
Support FS-RI, FS-CD
Software and technologies used: SAP ERP 2005 with ECC 6.0 including FS-RI and FS-CD, SAP BP (Business Partner), SAP NetWeaver Portal 7.0, Datango Producer 6.1, Test Director (v.8.0)/Mercury, Oracle 10.2.0.2.0, SnagIt 8.0

Sep 2006 - Mar 2007

7 months

Cologne, Germany

Support

Financial Services

Introduction of SAP FS-RI, FS-CD
Participation in functional test, user acceptance test, integration test
Support FS-RI, FS-CD
Software and technologies used: SAP FS-RI, SAP BP (Business Partner), SAP FS-CD, Test Director (v.8.0)/Mercury

Jun 2006 - Sep 2006

4 months

Berlin, Germany

Self-Study

Self-study: ABAP basics

Sep 2004 - Aug 2006

2 years

Munich, Germany

Support

Financial Services

Global rollout: SAP FS-RI, FS-CD
Participation in functional test, user acceptance test, integration test
Support FS-RI, FS-CD
Project language: English
Software and technologies used: SAP FS-RI (Fin.Serv. - Re-insurance, v.4.7), SAP BP (Business Partner), SAP FS-CD, SAP BW 3.5, InfoPak/RWD, SharePoint Portal Server/Microsoft, Test Director (v.8.0), ADONIS/BOC

Apr 2004 - Aug 2004

5 months

Berlin, Germany

Consultant, End User Support

Management Consultancy

Restructuring and expansion of sales
Expansion of cooperation network
Consultancy in commercial IT
End user support
Software and technologies used: SAP 4.7, Windows XP

Nov 2003 - Jul 2005

1 year 9 months

Berlin, Germany

Online Tutor

Steinbeis University

Blended learning
Conducting courses and exams for business administration, economics, organization, management
Software and technologies used: LMS (learning management system) of TEIA

Sep 2003 - Jan 2004

5 months

Düsseldorf, Germany

Consultant, End User Support

Information Technology

Consultancy on migration from SAP R/3 3.1 to SAP R/3 4.7
End user support
Software and technologies used: Windows 2000 PC with IE 6 and Netscape browser, OnDemand/Global Knowledge

Feb 2002 - Present

23 years 6 months

Berlin, Germany

Independent Consultant

Focus areas: SAP FI/CO, R/3 upgrade to S/4, FI-CA / FS-CD / PS-CD, PSM, Business Partner
Up-to-date knowledge and experience in EPSS tools such as SAP Enable Now / Workforce Performance Builder, Datango, UPK user performance kit/Oracle (v.3.5.1), uPerform/RWD (v.4.00)
Certification as “SAP Certified Application Associate - Business Process Integration with SAP S/4HANA 1809”
01/2004: Training to CeLM (Certified E-Learning Manager), Steinbeis University, Berlin

Feb 2002 - Present

23 years 6 months

Rimpar, Germany

Consultant

Management Consultancy

Consultancy in development and marketing of an SAP SME product
Software and technologies used: SAP R/3 v.4.6c

Feb 2002 - Jul 2002

6 months

Hamburg, Germany

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Information Technology

Introduction of the PMI® project management methodology PMBOK of PMI

Apr 2001 - Apr 2001

1 month

Hanover, Germany

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Financial Services

Change of a departmental structure

Feb 2001 - Feb 2002

1 year 1 month

Hamburg, Germany

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Financial Services

Upgrade and expansion of telebanking solutions with integration to various host systems (IBM, Siemens) to extend customer functionality
Software and technologies used: Host systems (IBM, Siemens), voice software, Lotus Notes

Jan 2001 - Jan 2002

1 year 1 month

Hamburg, Germany

Principal and Program Director

Systematics AG

Management consulting e-business
Project management according to PMI

Aug 2000 - Nov 2000

4 months

Darmstadt, Germany

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Pharmaceuticals

Development of an e-business plan

Jan 1999 - Dec 2000

1 year

Berlin, Germany

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Financial Services

Evaluation and proposal of the sensible applicability of new technologies (not only Internet) in banking

Sep 1999 - Aug 2000

1 year

Berlin, Germany

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Financial Services

Business simulation game via teleconference solution
Internet and ISDN technology
Virtual classroom netucate
Corporate simulation software

Jul 1998 - Dec 1999

1 year 6 months

Berlin, Germany

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Financial Services

Establishment of the new department "electronic services" (Electronic Banking, payment transactions, complaint management, transaction management)
Building an electronic banking department from scratch

May 1996 - Dec 2000

4 years 8 months

Berlin, Germany

Department Head

Deutsche Kreditbank

Established and led the electronic banking department, later also payment transactions; responsible for 14 employees
Grounding of the new department "New Technologies"

May 1996 - Jun 1998

2 years 2 months

Munich, Germany

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