André Siegmund - IT Consultant SAP® Authorizations...

Q: Where is André based?

André is based in Berlin, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does André speak?

André speaks the following languages: German (Native), English (Advanced), Russian (Elementary), Thai (Elementary) .

Q: How many years of experience does André have?

André has at least 33 years of experience. During this time, André has worked in at least 17 different roles and for 19 different companies . The average length of individual experience is 2 years and 6 months . Note that André may not have shared all experience and actually has more experience.

Q: What is André's latest experience?

André's most recent position is IT Consultant SAP® Administration at Lechwerke AG (LEW) .

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

In recent years, André has worked for Lechwerke AG (LEW) , E.ON Energie Deutschland GmbH , and EURASICON UG .

Q: Which industries is André most experienced in?

André is most experienced in industries like Information Technology , Retail , and Manufacturing . André also has some experience in Utilities , Energy , and Banking and Finance .

Q: Which business areas is André most experienced in?

André is most experienced in business areas like Sales , Information Technology , and Audit . André also has some experience in Quality Assurance , Business Intelligence , and Operations .

Q: Which industries has André worked in recently?

André has recently worked in industries like Information Technology , Energy , and Utilities .

Q: Which business areas has André worked in recently?

André has recently worked in business areas like Information Technology and Audit .

Recommended expert

Berlin, Germany

Experience

Oct 2022 - Jan 2026

3 years 4 months

IT Consultant SAP® Administration

Lechwerke AG (LEW)

IT services for administering the SAP® systems NETZ/Sales, BW, Core, and Portal
Administration of SAP® authorizations and users using central user administration (CUA) in SAP® Solution Manager
Development and further enhancement of SAP® authorization roles
Role assignment according to requests
Creation, modification, and deletion of users
Incident handling and error analysis (e.g., authorization trace, debugging in test systems)
Collaboration with the SAP® development team on new implementations and process changes
Special tasks
Implementation of Privileged User Management (PUM) 2023–2025 using Security Bridge
System decommissioning of SAP® Core and migration to S/4HANA

Oct 2019 - Jan 2026

6 years 4 months

IT Consultant SAP® Authorization Management

E.ON Energie Deutschland GmbH

Independent handling of the authorization granting processes
Coordination and definition of measures to optimize and enhance authorizations
User and role management for IS-U and CRM (>5,000 users)
Role design, changes, and extensions
Review of user requests (release and approval)
Support for users and projects, ticket handling in SOLMAN
Migration from GRC to S/4/United
System evaluations and data cleansing in IS-U, CRM, and GRC
Risk management using GRC (SoD and FTK)
Support of internal and external audits
Authorizations for legacy systems and the system for market partner communication
Participation in projects (DSTF, BANG, EEM and OneBilling)
Processing and resolving SoD and FTK issues
Independent UAM and RAM for the SAP® test systems LIW, ILM, and OneBilling (S/4HANA)

May 2019 - Sep 2019

5 months

IT Consultant (project loveERP)

SPARK Networks SE

Creation of a SAP® authorization concept for FI-AP, FI-GL, FI-AA, FI-AR, FI-CO, and FI-CA
Development of test scripts
Conducting development tests and documentation in the JIRA ticket system
New user creation and assignment of authorizations
Customizing of the new ERP FI general ledger
Development of FI-AP reports (Quality Check) with InfoSet/Query
Electronic Bank Statement, IDoc processing, and SAP® migration

Sep 2018 - Mar 2019

7 months

IT Consultant SAP® Authorization Management

Sächsische Aufbaubank – Förderbank

Remediation of segregation of duties conflicts in ProSAB, KfW-BDO Portal, BAIS, and RMS
Consulting on user and role management as well as segregation of duties and RFC interface security
Creation and quality assurance of SAP® authorization designs
Implementation of Bundesbank requirements
SAP® GRC evaluations and simulations
Ticket handling in JIRA (modification and adjustment of roles and authorizations in ERP, PI, and HCM)

Jun 2018 - Aug 2018

3 months

IT Consultant E.ON Application Sourcing Program

Wipro Technologies

Outsourcing of SAP® system operations and support for sales and energy networks in Germany
Creation of technical and functional description of an IS-U (EDM) system
Coordination between business and support
Handling of incidents and change requests
Knowledge transfer to India

May 2017 - Dec 2017

8 months

IT Consultant SAP® Authorization Management

Saxon Development Bank – Promotional Bank

Consulting on user and role management, segregation of duties, and RFC security
Creation and quality assurance of SAP® authorization concepts
Implementation of Bundesbank requirements
SAP® GRC reports and simulations
Handling tickets in JIRA
Assigning roles and authorizations using SAP® IDM

Jun 2015 - Jan 2026

10 years 8 months

Owner and Managing Director, IT Consultant

EURASICON UG

Jul 2014 - Mar 2017

2 years 9 months

IT Support Team SLP Meter Reading Control (South)

e.kundenservice Netz GmbH

Independently handled work packages and small projects in IS-U and CRM to optimize supplier meter readings
Analyzed IT processes and initiated process and system optimizations, including system tests
Evaluated master and device data in IS-U and CRM, programmed and used InfoSet/queries
Documented in Excel and PowerPoint
Test and quality management in the E.ON ToolKit TK-X, reporting and data cleansing across all company codes
Developed BW reporting to display key figures from Customer Self Care centers and meter reading quotas
Collaborated in SCRUM development teams for change requests in SAP IS-U, BW, CRM, and Customer Self Care Portal
Prepared, executed, and followed up on the cutoff date meter readings and billing for grid feed-in operators, including creating the certificate and board reporting

Apr 2014 - Jun 2014

3 months

SAP® Basis Administration and Authorizations

nkt cables GmbH

Handled tickets in the NIMBUS ticket system for SAP® 4.6C
Administered user authorizations, user cleanups, role creation and role adjustments
Prepared and followed up on the release upgrade from SAP® 4.6C to ECC 6.0

Oct 2013 - Feb 2014

5 months

Go-live Support Data Quality Management

E.ON Customer Service GmbH

Test and quality management in the E.ON ToolKit TK-X, reporting and data cleansing across all company codes
Prepared and created new ToolKit checks and change requests for IS-U and CRM
Created InfoSets and queries for evaluating and monitoring data quality

Jun 2013 - Nov 2013

6 months

SAP® Basis Administration and Authorizations

nkt cables GmbH

Ticket processing in the NIMBUS ticket system for SAP® 4.6C
Administration of user authorizations, user cleanups, role design and role adjustments
Preparation, execution and follow-up of the release upgrade from SAP® 4.6C to ECC 6.0

Jan 2013 - Apr 2013

4 months

Production Support for Network Billing

E.ON Best Service GmbH

Test and quality management in the E.ON ToolKit TK-X, reporting and data cleansing across all REVUs
Preparation and creation of new ToolKit tests and change requests for IS-U and CRM
Creation of InfoSets and queries to evaluate and monitor data quality

Jan 2013 - Apr 2013

4 months

Consultant

Internes IT-Dienstleisterprojekt

Feasibility study to implement a BW concept for ToolKit test reporting
Setup of the data model with transformation and data transfer processes and loading weekly test data
Reporting using Business Explorer tools

Sep 2012 - Nov 2012

3 months

Consultant

Internes SAP®-Beratungsprojekt

Installation of ERP systems and consolidation into a system landscape based on Windows Server 2003/2008 and SAP® Solution Manager 7.0

Jul 2012 - Aug 2012

2 months

SAP® Developer and Forms

Teckentrup GmbH

Development and implementation of SmartForms for customer complaint processing
Programming and customizing of interfaces and forms

Aug 2011 - Jun 2012

11 months

Production Support for Network Billing

E.ON Best Service GmbH

Test and quality management in E.ON ToolKit 2.0 / TK-X, reporting and data cleansing across all REVUs
Creation of InfoSets and queries to monitor data quality
EDI AS 1440 reporting of grid feed-in points and invoice rate (executive report)
Implementation of the SAP® authorization concept, user cleanup and role assignment

Jun 2011 - Jun 2011

1 month

Production Support for Billing Services

E.ON Best Service GmbH

Comparison of municipal discounts from network usage charges and reporting of any differences
Reporting of actual billing and actual+ accruals
Comparison of accounting results between two systems (SAP® and ecount)
Data structure analysis and data modeling
Optimization of SAP® InfoSets and queries

Apr 2011 - Oct 2011

7 months

BW/BI Consultant

Stadtwerke Flensburg

Setup of a BW/BI client for data management and modeling of master and transactional data
Customizing of extractors, data sources, InfoPackages, InfoObjects, DSOs, and InfoCubes
Creation of transformations and data transfer processes
Administration and testing of InfoProviders as well as setup and maintenance of RFC connections and process chains
Reporting and report design using Business Explorer tools

Jan 2011 - Dec 2015

5 years

IT-Consultant

IT-Power GmbH

Jan 2001 - Dec 2008

8 years

Sales Manager LOEWE Gallery Berlin

LOEWE AG

Jan 1999 - Dec 2001

3 years

Managing Director / Shop Manager

Bang & Olufsen Germany GmbH

Jan 1991 - Dec 1999

9 years

Technical Business Administrator

Bang & Olufsen ZEISBERG Berlin

Industry Experience

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

Experienced in Information Technology, Retail, Manufacturing, Utilities, Energy, and Banking and Finance.

Information Technology

Retail

Manufacturing

Utilities

Energy

Banking and Finance

Business Area Experience

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

Experienced in Sales, Information Technology, Audit, Quality Assurance, Business Intelligence, and Operations.

Sales

Information Technology

Audit

Quality Assurance

Business Intelligence

Operations

Summary

I have a strong background in SAP administration and authorization management with extensive experience in energy, banking, and IT consulting. I have built and optimized SAP authorization roles, managed user accounts, and supported smooth system migrations while ensuring data integrity and security.

I deliver reliable SAP system administration and troubleshooting, always focused on accurate user management and compliance. My expertise spans SAP BASIS, user management, system testing, and reporting, allowing me to provide solid support to complex SAP landscapes.

Skills

Core Areas Of Expertise

Sap® Authorization Management (Uam/ram) / Basis Administration
Sap® Grc/idm
Sap® Is-u / Crm
Sap® Bw/bi
Sap® Fi/co Consulting
Process Consulting / Modeling

Industry Knowledge

Energy Industry
Banking
Consumer Electronics (Sales And Services)
Military

It Qualifications

Sap®
Sap® Governance, Risk & Compliance (Grc)
Sap® Identity Management (Idm)
Sap® Solution Manager 4.0/7.0
Sap® Security Bridge
Sap® Erp Customizing
Sap® Abap Workbench
Sap® Netweaver Development Studio
Sap® Business Explorer
Sap® Is-u
Sap® Crm
Sap® S/4 Hana
E.on Toolkit 2.0 / Tk-x

Methods / Organization

Requirements Management
Change Management
Process Modeling
Scrum

Standard Software And Tools

Windows Xp, Vista, 7, 8, 10, 11
Mac
Linux
Windows Server 2003/2008
Ms Office 2003 / 2007 / 2013 / 365
Jira
Nimbus
Splunk

Programming Languages

Abap
Sql

Languages

German

Native

English

Advanced

Russian

Elementary

Thai

Elementary

Education

Radio mechanic / radio and television technician

Master radio mechanic (military industry)

Technical business administrator

Certifications & licenses

ISTQB® Certified Tester

Project Management (PM-TÜV® Certificate A35-495428-2011)

SAP® ABAP Developer (Certificate ID: S0006957938)

Certified SAP® Development Consultant SAP® NetWeaver `04'

Statistics

Experience

Total positions 22

Experience in Information Technology 15 y

Avg length 2 y 4 m

Longest experience 10 y 7 m

Expertise

Recent roles IT Consultant SAP® Administration, IT Consultant SAP® Authorization Management, IT Consultant (project loveERP)

Main industries Information Technology, Retail, Manufacturing

Main business areas Sales, Information Technology, Audit

Qualifications

Certifications earned 4

Profile

Created

February 2026

Last Update

March 2026

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Frequently asked questions

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

Where is André based?

André is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

What languages does André speak?

André speaks the following languages: German (Native), English (Advanced), Russian (Elementary), Thai (Elementary).

How many years of experience does André have?

André has at least 33 years of experience. During this time, André has worked in at least 17 different roles and for 19 different companies. The average length of individual experience is 2 years and 6 months. Note that André may not have shared all experience and actually has more experience.

What roles would André be best suited for?

Based on recent experience, André would be well-suited for roles such as: IT Consultant SAP® Administration, IT Consultant SAP® Authorization Management, IT Consultant (project loveERP).

What is André's latest experience?

André's most recent position is IT Consultant SAP® Administration at Lechwerke AG (LEW).

What companies has André worked for in recent years?

In recent years, André has worked for Lechwerke AG (LEW), E.ON Energie Deutschland GmbH, and EURASICON UG.

Which industries is André most experienced in?

André is most experienced in industries like Information Technology, Retail, and Manufacturing. André also has some experience in Utilities, Energy, and Banking and Finance.

Which business areas is André most experienced in?

André is most experienced in business areas like Sales, Information Technology, and Audit. André also has some experience in Quality Assurance, Business Intelligence, and Operations.

Which industries has André worked in recently?

André has recently worked in industries like Information Technology, Energy, and Utilities.

Which business areas has André worked in recently?

André has recently worked in business areas like Information Technology and Audit.

What is André's education?

André attended education in Radio mechanic / radio and television technician.

Does André have any certificates?

André has 4 certificates. Among them, these include: ISTQB® Certified Tester, Project Management (PM-TÜV® Certificate A35-495428-2011), and SAP® ABAP Developer (Certificate ID: S0006957938).

What is the availability of André?

André will be available full-time from September 2026.

What is the rate of André?

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