Thomas Rohmann

Thomas Rohmann Email and Phone Number

SAP-BI-Architekt @ Iqony
Germany
Thomas Rohmann's Location
Germany, Germany
About Thomas Rohmann

Thomas Rohmann has been working in the SAP Business Intelligence consulting business for about 20 years. With the help of his core competencies in the areas of SAP BI architecture, design, modeling and development (ABAP, ABAP OO), Mr. Rohmann covers the entire SAP BI process. Recently, the new possibilities in SAP Hana such as Information Views, Core Data Services and AMDP were increasingly in the focus of his activities. Through his many years of project experience, Mr. Rohmann has detailed process knowledge in the areas of supply chain management, logistics and finance.

Thomas Rohmann's Current Company Details
Iqony

Iqony

View
SAP-BI-Architekt
Germany
Website:
iqony.energy
Employees:
561
Thomas Rohmann Work Experience Details
  • Iqony
    Sap-Bi-Architekt
    Iqony
    Germany
  • Energy Supplier Iqony
    Sap Bi Architect
    Energy Supplier Iqony Jul 2023 - Present
    • design and implementation of LSA++ architectures for PCA,CO, HR, IS-U, FI • implementation of simulation in IS-U• developments of prototypes in SAC• support activities HR, BCS, Lumira, SAP BI BW4H
  • Bi Beratung Thomas Rohmann
    Freelancer Sap Hana Bi / Bi Ip Senior Consultant
    Bi Beratung Thomas Rohmann Jan 2007 - Present
    Winsen/Luhe, Niedersachsen, Deutschland
  • Investitionsbank Des Landes Brandenburg (Ilb)
    Role Sap Senior Consultant
    Investitionsbank Des Landes Brandenburg (Ilb) Jan 2023 - Oct 2023
    • analysis and modification of customer enhancements in ECC CMS abd CML• development of SAP BI extractors based on CMS SAP function modules• development of ABAP reports in CMS for result evaluation• error search and correction of SAP owned CMS coding
  • Bayer
    Role As Sap Bi / Hana Senior Consultant
    Bayer Feb 2020 - Jun 2023
    Role as SAP BI / HANA Senior consultantTechnical environment: BW 7.5 Specific responsibilities::• BI data modeling in COPA BI environment• ABAP developments solution of performance problems in ABAP Stack: usage of ABAP OO RTTS for memory optimization usage of parallel processing framework für performance optimization• development of a generic mapping / split engine with ABAP OO• replacement of complex ABAP logics by AMDP based implementations• evaluation of different tools: Snowflake, PowerBI, Tableau
  • Weber Maschinenbau
    Role As Sap Bi / Hana Senior Consultant
    Weber Maschinenbau Oct 2022 - Dec 2022
    Role as SAP BI senior consultantTechnical environment: BW 7.5Specific responsibilities:• replacement of complex ABAP logics by AMDP based approach (AMDP classes, MAP_MERGE)
  • Tesa
    Role As Sap Bi / Hana Senior Consultant
    Tesa Jul 2018 - Sep 2020
    Role as SAP BI / HANA Senior consultantTechnical environment: BW 7.5 (B4H Mode)Specific responsibilities:• creation of functional and technical specifications• leader of workshops for requirements engineering• creation of aDSOs, openODSViews, Composite Providern• creation of queries, variables, system of keyfigures• analysis/correction of CDS views (core data services)• development of VDMs with calculation views• development of VDMs with CDS for PP, FI MM, QM• development of authorizations and analysis authorizations
  • Marquard & Bahls Ag
    Role As Sap Bi / Hana Senior Consultant
    Marquard & Bahls Ag Mar 2017 - Jun 2018
    Client: Marquard & Bahls, energy supply and logisticRole as SAP BI / HANA senior consultantTechnical environment: BW 7.4 / HANA DB, BI IP, BPC embeddedSpecific responsibilities:• design and implementation of virtual staging scenarios with HANA InformationViews (CalculationViews, AttributeViews, AnalyticalViews)• development of SQL Script based procedures / functions in HANA• analysis of performance issues and performance optimizations• development of composite provieder using HANA views• development of virtual providers using HANA views• development of BI IP / PAK / AMDP based implementations• development of input ready based onf Analysis for Office including VBA scripts• analysis authorizations• support in all kind of BPC embedded issues
  • Vaillant Group Business Services
    Role As Sap Bi Senior Consultant
    Vaillant Group Business Services May 2016 - Feb 2017
    Client: Vaillant international machine and plant engineeringRole as SAP BI senior consultantTechnical environment: BW 7.4 / HANA DBSpecific responsibilities:• evaluation of connection of Sharepoint databases to SAPdevelopment of a REST based approach in order to load sharepoint data into SAP BW development of a SOAP based approach in order to load sharepoint data into SAP BW including development of a suitable XML parser with ABAP OO • performance optimizations of dataflows (migration of update rules into optimized ABAP OO classes)• development of a cockpit view with webdynpro:display of loading times of various dataloadsload of excel files into SAP DSOs trigger and monitor of process chains• integration of QlikView publisher tasks into SAP BW process chainsdevelopment of RFC connectivity in order to trigger QlikView publisher tasks from SAP BW• development of a SAP BI IP application for calendar maintenance• development of several webdynpros including a class hierarchy of assistance classes and dynamically created context nodes• support activities of upgrade 731 to 75 (execution of test scenarios, error analysis and error fixing)• prototypical implementation of advancedDSOs, openODSViews, CompositeProvidern, AMDPs in order to evaluate possible usage scenarios• customization of an easy query scenario
  • Unicredit Services
    Role As Sap Bi Senior Consultant
    Unicredit Services Mar 2013 - May 2016
    • review and evaluation of existings process chain landscape; compilation of a re-design and subsequent implementation • review and evaluation of existing layer architecture; compilation of a re-design and subsequent implementation • review and evalution of existing generic datasources and subsequent re-implementation • development of a generic approach for extraction of all HR infotypes• development of a tool to evaluate and purge BW errorstacks including an • email functionality• introduction of a pseudo delta approach including solutions of typical HR BW problems like overlapping timeslices, deletions• implementation of a complex logic in order to handle so called “delegations”• implementation of tools for mass generation of DSOs, infoobjects, infosources, transformations, datasources• development of a tool in order to inherite attributes along hierarchical structures
  • Edeka Aktiengesellschaft
    Role As Sap Bi Senior Consultant
    Edeka Aktiengesellschaft Oct 2012 - Feb 2013
    Client: Edeka Germany international retailer Role as SAP BI Senior consultantTechnical environment: SAP BW 7.3, 3.5Specific responsibilities:• implementation of change requests covering whole BI process (from extraction process to query design) area mainly SD and MM• data migration• development of real time extraction processes• development of a generic data extractor based on ABAP OO• correction of staging scenarios out of SD and MM• development / correction of WAD based applications
  • Panasonic Europe
    Role As Sap Bi Senior Consultant (Lead Consultant)
    Panasonic Europe Jul 2008 - Oct 2012
    Client: Panasonic GermanyRole as SAP BI senior consultant (lead consultant)Technical environment: SAP BW 7.0 (3.5 functionality)Specific responsibilities• project management of several implementation projects in BI environment; lead and management of several consultants• implementation of inbound/outbound interfaces using BI technology• development of a tool for stock optimization based on BI IP technology• Solution of some specific problemso development of a program for deletion of inactive RFC connectionso performance optimization of a long running process chaino elimination of a problem concerning high memory consumption of workbooks with many embedded queries• Development of an interface with data coming out of APO into BW; generation of flat files for a global planning system• Overall responsibility of all interfaces into the global plannning system (lead consultant)• 2nd level support (root cause analysis, bugfix across whole BW implementation)• Coordination and implementation of all change requests concerning the interfaces (changes of infocubes, update rules, BADIs, ODS objects, update rules)• Management of one junior consultant• Communication with headquarter in Japan
  • Accenture Services
    Cslm Process Lead
    Accenture Services Jul 2006 - Dec 2006
    Hamburg Und Umgebung, Deutschland
  • Unilever
    Manager For Sap Bw Implementations, It Business Intelligence System Manager
    Unilever Jun 2004 - Jun 2006
    Hamburg Area, Germany
  • Unilever
    Sap Bw Developer, Business Analyst, Team Lead
    Unilever Mar 2001 - May 2004
    Paris Und Umgebung, Frankreich
  • Unilever
    System Analyst
    Unilever Apr 1999 - Feb 2001
    Hamburg
  • Oracle Deutschland
    Olap / Datawarehouse Consultant
    Oracle Deutschland Oct 1997 - Mar 1999
    Hamburg Und Umgebung, Deutschland
  • Rms Radio Marketing Service Gmbh & Co. Kg
    System Analyst
    Rms Radio Marketing Service Gmbh & Co. Kg Oct 1995 - Sep 1997
    Hamburg Area, Germany

Thomas Rohmann Education Details

  • --
    Master'S Degree
  • Städtisches Gymnasium Haltern
    Städtisches Gymnasium Haltern
    Abitur

Frequently Asked Questions about Thomas Rohmann

What company does Thomas Rohmann work for?

Thomas Rohmann works for Iqony

What is Thomas Rohmann's role at the current company?

Thomas Rohmann's current role is SAP-BI-Architekt.

What schools did Thomas Rohmann attend?

Thomas Rohmann attended --, Städtisches Gymnasium Haltern.

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