IT Consultant SAP

7/2019 – 12/2019

- Migration datacenter
- Migration Oracle to HANA
- Technical project support
- Code review and enhancements
- Migrate all interfaces to new system
- Sizing
- UAT and GoLive support

Red Hat Enterprise Linux (RHEL), SAP Business Connector

5/2019 – 11/2021

- Planning of SAP packages according to customer
compliance rules
- Coordination of system copies
- Identify interfaces and check compatibility
- Create firewall requests
- Maintenance of the relevant system documentation as
management concepts and possibly other applicable
documents
- 2nd / 3rd Level support SAP basis
- Performance analysis / ABAP - traces, runtime analysis
- Dump analysis
- Importing SAP Notes, SAP Support Packages, preliminary
corrections, etc. monitoring for the operation of relevant
processes and metrics to customer consultation
- Administration of batch jobs
- Maintenance of the SAP system parameters by customer
request
- Create and maintain scripts on Linux interface server to
raise SAP events
- Maintain openFT profiles
- Testing and implementing interfaces

Bash Shell, Python, Red Hat Enterprise Linux (RHEL), SAP Basis Administration (BC), SAP HANA

3/2010 – 10/2019

- GPDI (Global Procurement Data Interfaces) are ABAP
programs intending to extract the corporate purchase
and order volume on line-item level from all Siemens SAP
ERP systems (around 90 installations)
- Connection of new SAP ERP systems to the Oracle
database CPDB (Corporate Procurement Database) and
successor SCMCore (SAP HANA DB) as well as
maintaining existing hookups
- Batchjob controlling and system monitoring, variant
definition (PVO-Spend definition) in GPDIs, according to
local characteristics and in coordination with strategic
procurement, accounting department and local IT
- Quality control for GPDI development
- Drill-down data analysis in connected systems “Spend
data Warehouse“ (SAP BI), MODIAS (MODular Information
and Analysis System, proprietary development)
- Drill-down analysis in SAP analysis for office
- Data modifications in CPDB with PL/SQL using SQL
Developer
- SQL analysis in various databases (MS SQL, SAP HANA)
- Unix Shell Scripting and automations
- OpenFt profiles for data exchange with various systems

Oracle Database, Python, Sap Bi, SAP FI, SAP HANA, Sap Mm, Scripting, SQL

10/2006 – 2/2010

- Connection of new R/3 systems to the SAP BW 3.5/BI 7.0
System SPCS (Strategic
Procurement Controlling
System) as well as maintaining existing hookups
- Batchjob controlling and system monitoring, variant
definition (PVO-Spend definition) in GPDI, according to
local characteristics and in coordination with
procurement
department, accounting department,
local IT
- Customizing and data load in SPCS for final approval by
strategic procurement
- Preparation of interface contracts for new version roll-out
- SPCS (Strategic Procurement Controlling System) quality
management, data analysis, customizing SAP BW

Oracle-Anwendungen, Sap Bi, SAP ECC