Profilbild von Marcos Dittmar SAP Technical Architect aus Saarbruecken

Marcos Dittmar

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Letztes Update: 06.09.2022

SAP Technical Architect

Abschluss: nicht angegeben
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (verhandlungssicher) | englisch (verhandlungssicher) | französisch (gut) | portugiesisch (Muttersprache)

Skills

• Installations and administration of:
- operating systems: AIX, Linux, Windows
- databases: Hana, Oracle, Informix, DB2, MaxDB
- SAP Products: ECC, Enterprise Portal, BW, XI/PI, CRM, Business Objects, SAP HANA
• System Updates and Upgrades. Apply of Support Packages, Patches and Bug fixes
• System copies, refresh, OS/DB migration, Unicode MIgration
• Automation of system health checks
• SAP Basis Administration (access rights, printing, trouble shooting, workload analysis, CTS)
• APO System administration
• BW 3.4 / BI 7.0 System administration
• CRM System administration
• J2EE (Java stack) administration
• Performance tuning (Network, memory load, disk activities, CPU usage, Buffers, SQL traces)
• Database reorganisation and fragmentation
• Automation with Python, Visual Basic, C, and Java programs using RFC and BAPI interface
• ABAP Reporting and Interface programming (RFC, BAPI, Batch input)
• System backup / restore and point in time recovery
• SAP front end installation and upgrades

Projekthistorie

01/2015 - 06/2020
SAP HANA experts
(Internet und Informationstechnologie, 250-500 Mitarbeiter)

  • HANA installation/upgrades
  • HANA troubleshooting (OOM)
  • HANA performance analyse
  • HANA conversion to multi tenant
  • HANA replication
  • HANA High Availability
  • Scripting (Python) for Monitoring and HA
  • ERP Migration DMO to HANA and S/4 HANA
  • BW Migration DMO to HANA and BW/4 HANA
  • Hana Cockpit
  • SAP Basis support

09/2013 - 12/2014
Automation on SAP HANA
Siemens AG (Internet und Informationstechnologie, >10.000 Mitarbeiter)

  • Scripts deployment in Python for the automation of the installation of SAP HANA with high availability and multi nodes.
  • SAP Basis support

01/2013 - 06/2013
SAP EHP6 Upgrade on ERP 6
(Internet und Informationstechnologie, 250-500 Mitarbeiter)

  • Migration von ERP Systeme (windows 2003 auf windows 2008)
  • Upgrade von EHP4 auf EHP6 für 11 Landschaften
  • Planung, Organisation und Umsetzung von zentralem SLD
  • Solution Manager 7.01 initial Setup
  • SSO/SSL setup 
  • Setup von EWA and System Monitoring auf Solution Manager
  • Installation von CRM für SAP Rapid Deployment Solutions (RDS)

07/2011 - 12/2012
SAP Technical engineer (Data center migration)
Novartis (Pharma und Medizintechnik, >10.000 Mitarbeiter)

  • Migration of PI Systems (Pharma and Sandoz)
  • Central Pharma SLD concept and implementation
  • Setup of Transport Management (CTS+)
  • Implementation of Libelle as a Disaster/Recovery (DR) solution
  • Implementation of PowerHA as a High availability solution
  • Implementation of SAP virtualization
  • Installation of BW, PI, SLD und Solution Manager 7.1 Systems
  • Project based on the Novartis ICE methodology

11/2007 - 06/2011
SAP Basis 3nd Level support
IBM (Internet und Informationstechnologie, >10.000 Mitarbeiter)

  • Installations and administration of Database, and SAP Products ( AIX, Oracle, DB2, SAP NetWeaver, Enterprise Portal, BW, XI, APO, Solution Manager, Business Objects )
  • System Updates and Upgrades. Apply of Support Packages, Patches and Bug fixes on databases and SAP systems
  • SAP Basis training for South Africa IDC
  • Focal point for Oracle and customer contact
  • Homogeneous System copies
  • Automation system health checks (XANDRIA)
  • Trouble shooting, workload analysis
  • Performance tuning (Network, memory load, disk activities, CPU usage, Buffers tuning, SQL traces)
  • Database Reorganisation
  • DR-Tests
  • Upgrade APO ( SCM 4.0 to SCM 7 EHP1 with unicode migration )
  • Upgrade SolMan EHP4
  • Solution Manager Installation (Change Management, EWA, E2E, CTS+, Wily, MOpz)
  • Unicode migration
  • Vertex upgrade
  • MAM installation
  • Oracle 11 upgrade (pilot + scripting)

Reisebereitschaft

Weltweit verfügbar

Sonstige Angaben

12/2012 SAP Certified Technology Associate - SAP HANA 1.0
11/2008 Certificate Techn. Consultant SAP NetWeaver '04 – OS/DB Migration
09/2008 Certificate Techn. Consultant SAP NetWeaver '04 – SAP Web AS for Oracle
08/1998 Certificate SAP R/3 Technical Consultant (NT/Oracle)
07/1998 SAP R/3 Workload Analysis
04/1997 SAP R/3 Technical Core Competence
03/1997 ABAP/4 Development Workbench Reporting
02/1997 ABAP/4 Development Workbench basics
02/1997 SAP R/3 Basis Technology
Profilbild von Marcos Dittmar SAP Technical Architect aus Saarbruecken SAP Technical Architect
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