period 05/2021 - today

industry: chemicals 

Project:

platform owner of global ERP system of the company (>10.000 user).

Responsible for the complex S/4 Landscape (ERP, EH&s, MDG,EWM)

Environment SAP S/4 2020 - 2023, Linux, SAP HANA DB, virtualised in AZURE

responsible in team for all connected SAP systems like Master Data, EHS, or middleware systems SAP Cloud connector, SAP data service agent, SAP'Router etc.

check, steering and review of all relevant tasks like system copies, client copies etc. approval, release and review of changes in CHARM and service now for SAP and corresponding systems.

contact for all questions regarding basis and landscape architecture.

period 05/2020 - 05/2021

industry: chemicals 

Project:

Main responsible SAP Basis for R/3 > S/4 greenfield migration of the global ERP system  >10.000 users.

Environment: SAP S/4 HANA, NW 7.5, Linux, Oracle 12 SAP HANA DB

Consulting and steering of internal and external partners and service providers for architecture, sizing and running the systems. for GOLive relocation from backup to Hot side in Azure environment. Responsible for stability, integrity and performance before, during and after GoLive.

Steering and review of basis tasks like system copies, client copies, mock loads etc.

responsible contact for all project relevant questions regarding the landscape architecture.

period 10/2018 - 05/2020

industry: life sciences 

Project:
Main responsible Global Integration Manager for a complex SAP landscape (> 130 systems, >70.000 users).

Environment: SAP ABAP 4.0 – NW 7.5, Linux, Oracle 11, SAP HANA DB 1xx.x

 

Manage implementation of basis related customer requirements by analyzing, consulting and coordinating the activities and initiating the appropriate changes. Steer and control involved internal and external resources and providers to ensure stability and integrity of the affected systems.

 

Manage SAP Basis and cross function changes (ChaRM) and ensure the provision of the Systems within the customer-agreed SLAs.

 

Main contact to customer/business for consulting regarding all platform related tasks in several projects (upgrades, mergers, carve outs).       

 

period 01/2017 - 09/2018

 

industry: life sciences 

Project:

responsible in team for a global SAP landscape (> 130 systems, > 70.000 users)

Environment: SAP ABAP 4.0 – NW 7.5, Linux, Oracle 11, SAP HANA DB 1xx.x

 

In Team responsible for several ERP Systems in landscape, steering of tasks of internal and external suppliers. Main contact to customer/business for consulting regarding all platform related tasks.

 

Ensuring delivery of agreed services and performance of overall operation services of the SAP Systems. Ensuring adherence to operation guidelines regarding ICS conform delivery of service.

 

Lead sub-projects for technical upgrades. Strategical consulting for landscape design in projects.      

 

period 11/2015 - 12/2016

 

industry: seeds 

Project:

responsible in team for a global SAP landscape including several systems (> 30, > 20.000 users)

Environment: SAP ABAP 4.0 – NW 7.4, Linux, Oracle 11, SAP HANA DB 85.x – 1xx.x

 

Third level support, all SAP Basis issues, in Team responsible for EHP upgrade of largest SAP ERP System in landscape (>12.000 users), outsourcing and steering of providers, main contact to customer/business for consulting regarding all platform related tasks.     

 

 

period 09/2010 - 11/2015

 

industry: chemicals 

Project:

1 1/2 years exclusive responsible for running a virtualized 3 tier production critical ERP Landscape (7 x 24) connected to a 2 tier BI Landscape with Portal. Team responsibility for two other ERP Landscapes located in India and USA.

 

Environment: ECC 6.0x, Netweaver 7.0x, WIN2003 / 2012, Oracle 10 / 11, Citrix, VMWare 4.x/5.5

1st and 2nd level support regarding all SAP Basis issues. Implementing SAP Notes, patches, kernel updates, maintaining transport management system.

 

SAP archiving, providing data for external use via DART. Heterogenous and homogeneous system copies with NetApp Flex Clone technology and SAP software provisioning manager.

 

Granting permissions and maintaining access roles with profile generator. Managing the Windows domain of the SAP Landscape including own printers and print servers running special software for label printing of hazardous materials.

Maintaining and monitoring primary and secondary (backup) storage systems. Developing, improving and implementing von concepts and scripts for automation processes of syncing and reorganizing data.

Coordinating external consultants and implementing and connecting 3rd party systems (e.g. EDI, Seeburger, Lobster, Ecovision, Open Text, Atos, Ebsoft, Retarus, WWI/EHS etc.)
      
Projectlead:

exchange of EMC storage system with NetApp FAS 3240 / FAS2040

Set up SAN infrastructure containing two clustered NetApp 3240 with NetApp 2040 mirror system.

 

Implementing NetApp specific technologies (e.g. thin provisioning, Flex Clone etc). Replacing WIN file servers with CIFS services.

Substitution of the old backup solution with NetApp technologies (snap repository, SMSAP, Snap Drive, Snap Mirror) displacement of the old oracle shadow DB with Snap Mirror, improving the Business Continuity Processes for SAP an NON SAP Systems.

 

Virtualizing ERP productive system and backup server with upgrade backup software and restructuring the backup to tape concept using NetApp software.

 

Renewal tape library, domain controllers and ESX hosts thereby update VMWare to 4.1.

 

Part responsibility:

founding new datacenter NASA:
Setup Storage system similar to EMEA with connecting to EMEA’ s backup storage via Snap Mirror.

 

Recreating the 3tier ERP and connected 2tier BI SAP landscape in ASK environment from DB Exports from parent company.

 

Technical installation and connection of 3rd party systems like WWI, EHS Expert, Retarus,

Lobster etc.

 

period 02/2010 - 09/2010 

 

industry: logistic

project:

running a huge, complex, partial high available (HACMP) SAP system landscape (> 100 instances in a Datacenter including Components R/3, BW/BI, CRM, ECC, ERP, XI/PI, APO) on Basis Releases Net Weaver 7.0 on DB2 9.x and AIX, Linux and Windows.

SAP Basis administration and problem management (2nd and 3rd level support). Analyzing customer requests regarding feasibility. Technical implementation, installation and migrations.

 

documentation containing checklist, standard operational procedures and user manuals.

 

period 03/2006 - 12/2009

 

industry: chemicals / pharmaceuticals

project:

development of concepts, processes and new products for the BAYER Global Datacenter Germany for SAP systems Releases 4.6B to Net Weaver 7.0 running on oracle databases 9 and 10 and AIX and RHEL4 as operating systems.

Optimizing direct database access to oracle DB's running SAP systems regarding efficiency and security aspects by using a second oracle DB as a gateway.

 

Migration of a huge, complex landscape from AIX to RHE Linux using NFS and a shared root environment.

 

Analyzing the requirements regarding feasibility, developing in cooperation with customer the requirement specifications and the operational concepts.

 

optimizing processes in cooperation with Run and Product Management.

 

technical implementation, installation and migration of the new landscape and optimize it regarding the existence scripts and automation procedures.

 

Man in charge of single script tests and integration tests also optimizing test procedures and documentation. 

 

Creating presentations, SOPs, checklists and user manuals in English language for global use, handing over to Run and train the employees with created training documents.

 

period 07/2005 - 02/2006

 

industry: chemicals / pharmaceuticals

project:

running a huge, complex, partial high available (HACMP) SAP system landscape (> 230 instances in a Global Datacenter including Components R/3, BW/BI, CRM, ECC, ERP, XI/PI, APO) on Basis Releases  from 3.1I to Net Weaver 7.0 on oracle 8/9/10 and AIX, Win2000, Win2003, HP-UX, Linux.

SAP Basis administration and problem management (2nd and 3rd level support).

 

Analyzing customer requests regarding feasibility. Development and maintenance of processes, procedures and products.

 

Technical implementation, installation and migrations. documentation containing checklist, standard operational procedures and user manuals. Optimization and maintenance of the procedures during the globalization project regarding the ITIL basics.

 

period: 06/2004 - 07/2005

 

industry: chemicals / pharmaceuticals

project:

responsible for SAP system landscape ( 35 instances) releases 3.1I to 4.6C, running on oracle 8 / 9 on WINDOWS NT / 2000, AIX.

Problem Management, SAP installations, DB migrations, update, patching, monitoring. Migrating the existence SAP systems from WIN to AIX via DB Export / import, homogeneous system copies via backup, restore (sap backup, TSM).

 

period: 09/2001 - 05/2004

 

industry: energy supplier

project:

responsible for the system landscape of the biggest remote customer of IBEX AG.

Installations, migrations, system copies, client copies, updates, DB migrations, release changes, monitoring, performance analysis and optimizations on SAP system landscape containing R/3 (4.0B - WEB AS 620), BW, Solution Manager 3.0, running on oracle 7/8/9 and Compaq Tru64.

 

period: 07/2001 - 04/2003

 

inhouse

project:

Implementation of an WIN2000 domain for remote administration of customer SAP systems.

 

Installation, configuration and documentation of WIN domain controller, RAS-server and the complete PC landscape for internal use and remote administration to customer systems using different VPN clients, PCDuo, PcAnywhere, VNC, putty, Xterm etc.

Planning, patching and documenting the ISDN and TCP/IP Resources after department move.

 

period: 11/2001 - 12/2003

 

several customers 

short projects:

Installations, DB migrations, updates, patch implementation, performance analysis, release changes, system copies, client copies of SAP systems, databases and operating systems, regarding WIN NT / 2000 / 2003, Tru64 4.0F - 5.1A Oracle 7.x - 9.x  SAP 3.1I - WEB AS 620.

 

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