David Portmann
Asset Accounting Support
Experience
Asset Accounting Support
Bank Julius Bär
Supporting the department in designing the accounting areas.
Aligning the accounting areas with the ledgers.
S/4HANA Migration Implementation
Bank Julius Bär
Creating the migration concept.
Setting up SAP Migration Cockpit projects using the direct approach.
Setting up SAP Migration Cockpit projects using the staging approach.
Creating extraction reports for the migration.
Developing migration objects in FI, CO, PS, MM, and SD.
Adapting migration objects to customer requirements.
Performing test and real migrations.
Chart of Accounts Standardization
Bank Julius Bär
Supporting the department in standardizing the chart of accounts.
Assisting in designing the ledgers.
SGF3 Introduction of New Company
CSS Versicherung AG
Conducting analysis and estimation.
Setting up a questionnaire for the department.
Creating user stories to prepare for the rollout.
Omega Merger
CSS Versicherung AG
Merging Arcosana AG into CSS Krankenversicherung AG.
Adjusting interfaces.
Migrating open workflows.
Coordinating and conducting tests.
S/4Hana Implementation
CSS Versicherung AG
Designed and coordinated the Fiori Launchpad implementation.
Designed and implemented the FI, CO, PS, MM, SD modules.
Customized interfaces and handled data migration.
Migrated data using the SAP Migration Cockpit with a staging approach.
Migrated 3rd-party products and adapted the data distribution model.
Managed testing with unit and regression tests.
Created Fiori apps for reporting.
Gotthard Merger
CSS Versicherung AG
Merged multiple company codes.
Adjusted interfaces.
Migrated open workflows.
Coordinated and executed tests.
Implementation of AP and Expense Workflows (KSWF)
CSS Versicherung AG
Conducted as-is analysis and created the requirements catalog.
Created user stories and a user story map.
Implemented insider validators and verifiers for vendor and expense approvals.
Developed Fiori apps for expense requests and reporting.
Carried out implementation, testing, and training.
Implementation of Electronic Account Documents (eEK)
CSS Versicherung AG
Conducted as-is analysis and created the requirements catalog.
Created user stories and a user story map.
Introduced XS-PBM as the workflow tool.
Developed custom approval workflows.
Developed Fiori apps for expense requests and various reports.
Carried out implementation, testing, and training.
Various FS-CD Tasks
CSS Versicherung AG
Developed SAP FI/CO strategy with the finance management and group leadership.
Supported analysis and implementation of functional requests in SAP CC.
Introduced the new payment formats PAIN.001 and PAIN.002 for the Swiss payment harmonization (ISO20022).
Set up accounts payable for multiple company codes.
Conducted analysis and workshops for electronic bank statements (CAMT.053, CAMT.054).
Developed various ABAP and ABAP OO solutions following Scrum Agile.
Analyzed, designed, and implemented new commission and brokerage interfaces.
Analyzed, designed, and implemented the new expense posting process.
Created SAP FI/CO training materials for the SAP CC team and delivered the training.
Mentored internal staff in SAP FI/CO.
Supported the upgrade to SAP EHP 7.
Analyzed, designed, and implemented a master data distribution model via SAP ALE iDoc.
Created various FI/CO reports.
Served as Scrum Master for the FS-CD team and managed the Jira backlog.
Implementation of the Central SAP FS-BP Business Partner
Finance Administration of the Canton of Zurich
Analysis and design of the existing SAP FS-BP business partner model.
Removal of time dependency in SAP FS-BP.
Implementation of the FS-BP concept.
Introduction of SAP FS-BP for SAP RE-FX.
Cleansing of existing RE-FX and FS-CML business partners.
Creating training materials and training end users at the booking center of the Canton of Zurich.
Travel Expense Accounting and HR
SCOR Reinsurance
- Migration of posting data to the new SAP environment.
Implementation of SAP FS-CD
Heidelberger Life
Migration of master data and transaction data to SAP FS-CD.
Setting up the chart of accounts in SAP FI.
Executing tests in SAP FS-CD.
Setting up an authorization concept.
Implementing the authorization concept.
Enhancement of SAP FI/CO
CSS Insurance AG
As-is analysis of SAP FI/CO.
Concept creation for SAP FI/CO enhancements.
Implementation of enhancements in SAP FI/CO.
Global SAP System
GfK Switzerland AG
Migration of master and transaction data to the new global SAP system for the FI/CO, MM, SD, and PS modules.
Adapting existing interfaces to the new SAP system.
Travel Expense Accounting and HR
SCOR Reinsurance
Analysis, planning and implementation of the SAP system migration for travel expense accounting and HR.
Setting up a basic FI system.
Planning and implementing the SAP authorization concept.
One General Ledger, One Chart of Account
SCOR Reinsurance
Global rollout of SAP New GL for all companies worldwide.
Analysis, planning and implementation of interfaces to and from external systems such as technical accounting, investment systems and local applications.
Setting up new company codes.
Analysis, planning, implementation and training in FI New GL.
Planning and implementing the SAP authorization concept.
Supporting the FI quarterly and year-end closing.
Group Currency Change
SCOR Reinsurance
Conversion of the group currency with data migration to a new SAP system and conversion of all group currency values from USD to EUR.
Creating the migration report for document migration.
Migration of FI-GL, FI-AP, FI-AR, FI-AA, FI-BA and CO.
Ensuring interface functionality.
Migration During Ongoing Operations
Valora AG
Migration of master data and transactional data.
Analysis, planning and implementation of various interfaces in a complex SAP landscape with SAP XI.
Development of ABAP reports and Smartforms.
Enhancements using the Enhancement Framework and user exits in IDocs and ABAP.
Performance analysis and runtime improvements of long-running processes.
Consulting and support for various requirements in SAP CCC.
Performance Analyses
Heineken Switzerland AG
Performance analysis and runtime improvements of long-running processes in SD.
Analysis, planning and implementation of various customer-specific enhancement optimizations.
Release Upgrade
SCOR Reinsurance
Consulting and support for the SAP upgrade from SAP Enterprise 4.7 to SAP ERP 6.0 EHP 3.
Ensuring Unicode compatibility of custom developments in the new release.
Ensuring interface functions to and from SAP.
SAP CC Support
SCOR Reinsurance
Consulting and support for various requirements in SAP CC in modules FI-GL, FI-AP, FI-AR, FI-AA, FI-BA, and CO.
ABAP development and Report Painter development.
Support for the FI quarterly closing.
Analysis, planning, and implementation of various master and transaction data interfaces in SAP FI, CO, and Treasury.
Analysis, planning, and implementation of various interfaces from external systems to SAP and from SAP to external systems.
Analysis, planning, and implementation of various reports in SAP FI and CO using ABAP and Report Painter.
Planning and creating SAP CO planning versions.
Revios Integration
SCOR Reinsurance
Migration of FI-GL, FI-AP, FI-AR, FI-AA, and CO.
Creation of the migration report for document migration.
RAP Replacement
SCOR Reinsurance
- Design and implementation of all insurance-specific interfaces to SAP.
NIKA
CSS Versicherung AG
Subproject leadership for SAP master data, interface design, and setting up the system landscape.
Creating forms with SAPscript.
Planning, building, and operating SAP system landscapes on SAP Enterprise 4.7, SAP ERP 6.0, and Solution Manager 3.5.
Systems running on Sun Solaris and Oracle.
Planning, building, and operating a complex SAP transport system landscape.
Creating, rolling out, and monitoring compliance with the SAP ABAP developer handbook.
Technical responsibility for the SAP system during the host-to-SAP migration.
Creating the complete master data interface concept and its implementation.
Using DirectInput and BAPI methods via JCO calls.
Connecting SOA subsystems via JCO and BAPI.
Extending the SAP master data concept with custom fields via the Business Data Toolset (BDT).
Managing the SAP authorization system.
Representative of the SAP Customer Competence Center in the technical architecture team.
Performance optimization of the SAP system for migration and operation; performance analysis of SAP reports.
SAP Basis Consultant
Engineering and System Technology
Hardware evaluation, installation, and upgrade of various SAP systems on Microsoft Windows, SunOS, and AIX.
Database systems: Microsoft SQL, Oracle, and MaxDB.
Operations and customer support with error analysis and performance tuning.
ABAP development.
Project Lead for International SAP FI/CO Implementation
Rosen Swiss AG
Set up and maintenance of the SAP system landscape on Release 4.6C on Microsoft Server 2000 and Microsoft SQL.
Set up of the SAP authorization system.
Established incident and change management with first-, second-, and third-level support.
Introduced Asset Accounting (AA) including process analysis, concept design, rollout, and training.
Customizing in FI, CO, and AA modules.
Development in ABAP and SAPScript.
SAP Release, Platform Migration, and Maintenance
Pilatus Flugzeugwerke AG
Module lead for HR, FI, CO, AA, and PS.
Managed and executed the SAP release upgrade from 3.0F to 4.6C and platform migration from AS/400 DB2 to MS NT/MS SQL.
Development in ABAP and SAPScript.
Implemented various requirements in custom developments.
Freelance ABAP Developer
Portmann Peter
- ABAP development in contract management for various companies as a freelancer.
Skills
- Sap S/4hana Implementations
- Sap Migration Cockpit
- Senior Consultant In Sap Fi, Co
- Experience In Ps, Mm, And Sd
- Sap Distribution Model (Idoc)
- Sap Abap Oo
- Clean Code Certified By Majcon.de
- Fiori Launchpad Including Authorization Catalogs
- Agile Scrum
Languages
Certifications & licenses
Clean Code Certified
Majcon.de
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