Ralf Heiringhoff

Jack of all trades, master of none

Angestellt, Architect SCS & Open Source, plusserver

Bielefeld, Germany

About me

https://frosty-geek.net

Skills

Beratung
Architektur
Open Source
Agile
IT-Consulting
IT Architecture
Enterprise Architect
Cloud Computing
Openstack
IT Continuity Management
High Availability
Automatisierung
Virtualisierung
Routing & Switching LAN/WAN
IP Networking
VMware
Microsoft Azure
Kubernetes
k8s
Cluster
SQL
Networking
IPv6
VPN
ITIL
Prince2
PCI
ISO27001
LINUX
Debian GNU/Linux
Ubuntu
Red Hat Enterprise Linux
Business Intelligence
SAP
Puppet
Ansible
Informatik
Freifunk
Scrum
Projektmanagement
Administration
Terraform

Timeline

Professional experience for Ralf Heiringhoff

  • Current 2 years and 7 months, since Oct 2020

    Architect SCS & Open Source

    plusserver

  • 2 years, Oct 2020 - Sep 2022

    IT Architect

    plusserver

  • 2 years and 1 month, Oct 2018 - Oct 2020

    IT Architect

    OEDIV Oetker Daten- und Informationsverarbeitung KG

  • 7 years and 7 months, Apr 2011 - Oct 2018

    Managing Consultant

    Ralf Heiringhoff IT-Consulting

    Freiberufler, Geschäftsführer (GF, CEO etc)

  • 3 years and 3 months, Jul 2015 - Sep 2018

    Senior Solutions Architect

    PlusServer

  • 2 months, Jul 2015 - Aug 2015

    Hosting Architect

    Host Europe Solutions GmbH

  • 4 years and 4 months, Apr 2011 - Jul 2015

    Senior System Architect

    Getslash GmbH

  • 10 years and 9 months, May 2001 - Jan 2012

    Sen. System Engineer

    Telefonica Germany GmbH & Co. OHG

  • 9 years and 11 months, May 2001 - Mar 2011

    Sen. System Engineer

    Telefonica o2 Germany GmbH & Co. OHG

  • 8 years and 5 months, May 2001 - Sep 2009

    Sen. System Engineer

    Telefonica Deutschland GmbH

  • 1 year and 11 months, May 2001 - Mar 2003

    System Engineer

    mediaWays GmbH

  • 9 months, Aug 2000 - Apr 2001

    Unix Tool Administrator

    Siemens AG

  • 1999 - 2000

    System Engineer

    Starnetworking

Educational background for Ralf Heiringhoff

  • 1997 - 2000

    Informationstechnik

    Carl-Miele-Berufskolleg

    IT

Languages

  • German

    First language

  • English

    Fluent

Wants

Austausch von Wissen
Enterprise DataCenter Solutions
Enterprise Architect
Security
High Availability
neue Kontakte
alte Kollegen und Bekannte

Interests

IT
Open Source
Creative Commons
Freifunk

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