Sebastian Welton

Professional experience for Sebastian Welton

• Current 8 years, since Apr 2015

  Linux on z Performance Measurement

  IBM Deutschland GmbH

  Performance testing and analysis of Opensource and IBM products running under Linux for z on IBM mainframe systems

• Current 8 years and 1 month, since Mar 2015

  Managing Director for EMEA Support, zSystems, Linux and Cloud

  Information Technology Company (ITC)

  I directly support ITC customers in the EMEA region with the running of their zPDT or zD&T systems. ITC provide small z/Series compatible systems for companies requiring an IBM mainframe for development (zPFT for ISVs) or testing (zD&T). The systems, known as uPDT or System ReDD, run either Redhat Linux or SuSE Linux as a base operating system and then zPDT as the emulation software to allow mainframe operating systems to run on an Intel platform.

• 4 months, Nov 2019 - Feb 2020

  Tivoli Consultant

  LVM Versicherung

  - Unterstützung (Support) aller dort genutzten Omegamon Produkte - z/OS, DB2, Storage, JAva and IMS: Installation und Konfiguration, Überwachung und Troubleshooting - Unterstützung (Support) Tivoli System Automation fü z/OS

• 6 years, Jan 2010 - Dec 2015

  Tivoli Consultant

  Insurance

  - Unterstützung (Support) aller dort genutzten Omegamon Produkte - z/OS, DB2, CICS and IMS: Installation und Konfiguration, Überwachung und Troubleshooting - Unterstützung für Tivoli Enterprise Monitoring unter z/OS: Installation und Konfiguration mit Entwicklung von monitoring situations die in Tivoli Enterprise Console gezeigt werden - Entwicklung von monitoring solutions für inhouse Anwendungen, z. B. Druck Subsysteme mit TEMS, NetView und TEC, IP Monitoring mit NetView

• 2 years and 3 months, Mar 2009 - May 2011

  Tivoli License Metric Tool Consultant

  Software

  - Bereitstellung technischer Unterstützung für die Installation von IBM Tivoli License Metric Tool - Installieren und konfigurieren von IBM Tivoli License Metric Tool auf verschiedenen Betriebssystemen

• 1 year, Mar 2010 - Feb 2011

  z/OS Berater

  Finance

  - Unterstützen der Migration einer Virtual Tape Library (VTS), 3494-B10 zu einem TS7740 über 3 sysplexes - Analysieren der bestehenden VTS und die Migration für alle Datentypen planen (z.B. DFSMSdfp, DFSMShsm, DB2, IMS, usw) - Entwerfen und kodieren einer automatisierten Migration Anwendung für alle Daten und Bänder in REXX

• 10 months, Feb 2009 - Nov 2009

  WebSphere Technical Support

  Government Departments, Germany

  Provide support for WebSphere Application Server, WebSphere Portal Server and WebSphere Process Server running under Debian Linux for zSeries

• 2 months, Sep 2009 - Oct 2009

  Consultant

  Manufacturing, Germany.

  Provide support for IBM Tivoli License Metric Tool

• 2007 - 2009

  Software Tester, Developer and Support.

  Software and Hardware Manufacturer, Germany.

  Provide test, development and infrastructure support for a number of projects

• 2003 - 2009

  zSeries and zFrame Technical Solutions Consultant.

  Software and Hardware Manufacturer, EMEA.

  When required I either assist my clients European business partners, or liase directly with their customers in the installation of their systems. They provide small S/390 (or z/Series) systems for companies requiring an IBM mainframe compatible system. The systems, known as z/Frame, run either Redhat Linux, SuSE Linux or Caldera Unixware (SCO) as a base operating system and then FLEX-ES as the emulation software to allow mainframe operating systems to run on this hardware platform. Systems have been built b

• 2003 - 2005

  zSeries Systems Programmer.

  Machinery Manufacturer, Germany.

  Provide systems programming support for a number of z/OS systems running under z/VM which run DB2 for SAP application servers under AIX and z/Linux