Gerhard Giessl

Cloud infrastructure DevOps engineer

C/Sáhara 16

28922 Alcorcón

+34 644184914

gerhard.giessl@gmx.net

EXPERIENCE

Datio Big Data, Pozuelo de Alarcón — DevOps engineer

January 2017 - PRESENT

Member of the Production Engineering team, working in the development of automation tools necessary to install and operate the Stratio EOS data analytic platform in the BBVA group.

  • OpenStack and AWS Infrastructure provisioning using Terraform
  • Software provisioning, configuration management and application deployment using Ansible/AWX
  • Version control providers: GitHub, BitBucket
  • CI and automation: Jenkins
  • Container orchestration: Mesosphere DC/OS
  • Container management: Docker
  • Scripting: Bash, Python
  • Secrets management: Vault
  • Service management/discovery: Consul
  • Agile methodologies: Scrum, Kanban 

Genasys, Madrid — DevOps engineer

October 2013 - December 2016

DevOps engineer, working in platform design and installation as well as platform operation and support for customers like Telefónica España, Telefónica México, Vodafone España, Optimus Portugal Optus Australia and Vodafone Australia

  • Server hardware installation
  • Semi-automatic OS installation on bare metal servers using PXE
  • Software provisioning and configuration management using Puppet and Ansible
  • Semi-automatic Java application deployment using Bash scripting
  • MySQL DBMS administration
  • PostgreSQL DBMS administration
  • Search Engine: Elasticsearch cluster design, installation and tuning
  • Web server: Apache HTTPD
  • Reverse Proxy: Nginx
  • Software load balancer: HAProxy
  • Application server: Apache Tomcat
  • Monitoring: Zabbix

Magic Internet Pro7Sat1, Berlin DevOps engineer

January 2013 - September 2013

Member of the Data Center team, working in the development of software installation and configuration tools and the operation of the platforms myvideo.de and ampya.com.

  • Software provisioning and configuration management using Puppet
  • Web server: Apache HTTPD
  • Reverse Proxy: Nginx
  • HTTP accelerator: Varnish
  • CI: Jenkins
  • Agile methodologies: Scrum, Kanban 

Tuent, Madrid System administrator

January 2009 - December 2012

System administrator, responsible for hardware installation (workstations and server), software installation and configuration as well as application deployment.

  • Server and workstation hardware installation
  • Semi-automatic Java application deployment using Bash scripting
  • MySQL DBMS administration
  • Web server: Apache HTTPD
  • Application server: Apache Tomcat
  • Monitoring: Zabbix

Avansis, Madrid Support engineer

September 2008 - December 2008

Support engineer for Sun Microsystems SunCluster and storage systems

  • Second level phone support

Genasys, Madrid System administrator

April 2006 - August 2008

System administrator, working in platform operation and support for customers like Telefónica España, Telefónica México, Vodafone España, Optimus Portugal and Optus Australia

  • Server hardware installation
  • MySQL DBMS administration
  • Oracle DBMS administration
  • Web server: Apache HTTPD
  • Application server: Apache Tomcat
  • Monitoring: Zabbix

CapGemini, Alcobendas Support engineer

April 2005 - March 2006

Support engineer for Sun Microsystems server hardware and Solaris OS

  • First level phone support

EDUCATION

Technische Universität, Graz — Erste Diplomprüfung

October 1996 - June 2000

Electrical Engineering

BORG, Murau — Matura

September 1991 - June 1995

Oberstufen Realgymnasium

SKILLS

Operating Systems:

GNU/Linux

Solaris

Open source technologies:

Ansible
Terraform
Puppet
Docker
Git
Mesos
DC/OS
Kubernetes
Vault
Consul
MySQL
Oracle
PostgreSQL
Elasticsearch
Logstash
LDAP
Kerberos
Apache HTTPD
Apache Tomcat
Nginx
Jenkins

Zabbix

Programming Languages:

Python
BASH

LANGUAGES

German: native
English: fluent
Spanish: fluent