Stefan Kern verfügbar

Stefan Kern

System Engineer

verfügbar
Profilbild von Stefan Kern System Engineer aus Berlin
  • 10587 Berlin Freelancer in
  • Abschluss: nicht angegeben
  • Stunden-/Tagessatz: 95 €/Std.
    Stundensatz von 95 € gilt für den Remote Einsatz oder Kunden in Berlin und 105 € für den Einsatz direkt vor Ort beim Kunden außerhalb von Berlin
  • Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher) | spanisch (verhandlungssicher)
  • Letztes Update: 13.11.2019
SCHLAGWORTE
PROFILBILD
Profilbild von Stefan Kern System Engineer aus Berlin
DATEIANLAGEN
Profil

Diese Anzeige ist nur für angemeldete Nutzer möglich.

SKILLS
Project experience:
  • Planning / implementation of an autom. Java test environment in Docker Container (Selenium, Geb, Cucumber, Grails, Java)
  • Implementation „Sourcecode Development Lifecycle“ in GxP controlled environment (Development, Test, UAT, Production)
  • Porting Redmine to SuSE-Enterprise in production environment
  • Planning/implementation of a Linux-Production environment in the GxP area (Deployment, change management, Backup and monitoring)
  • Planning and Deployment of a Storage-Tek Tape Library SL8500 (Full scale on 10000 tapes)
  • „large Scale“ Datacenter Turnup/Turndown (>10000 servers and network equipment)
  • Planning / implementation / deployment of web-based applications in clin. laboratory (Web-based laboratory order acquisition)

Linux:
  • SuSE Professional and Enterprise Server
  • Ubuntu Desktop/Server
  • Debian

Programming and Scripting Languages:
  • Assembler, C, C++, Java/Groovy, Python,
    PHP, Yii, Javascript, jquery, CSS, HTML,
    Linux-Shells (sh, bash, etc.), git, Jenkins,
    Gerrit

Databases:
  • MySQL
  • PostgreSQL
  • MS-SQL

Webserver:
  • Apache, NGinx, Tomcat, JEE, Glassfish

Virtualization/Automation:
  • Terraform, Openstack, Amazon AWS, Proxmox, Docker, Vagrant, Ansible

Networking:
  • 7-Layer TCP/IP Protocol-Stack, Services and Protocols from Layer 2 to 4 (ICMP, IP, UDP,TCP, etc.)

Hardware:
  • Google-Platforms, DELL Server-Equipment, HP-Switches, Force10, Infinera, PC-Hardware
PROJEKTHISTORIE
Projekthistorie:

T-Systems in Munich as System Engineer
May 2017 – April 2018
  • Development activity in C++, Java, Python, Oracle for the end customer TollCollect

Arbeitshistorie:

ventx GmbH in Munich as System Engineer
Since January 2017
  • Linux-Systemadministration (Setup, Config, Troubleshoot, Scripting)
  • Git, Gerrit, Jenkins (Codereview,Jenkins-CI, Jenkins-Pipeline)
  • Terraform, Ansible, Bash (Infrastructure as a Code for AWS, Openstack)
  • OpenStack, Docker, Kubernetes  (Infrastructure Setup with Terraform)
  • AWS VPC, EC2, ECS, S3, CloudFormation, SecurityGroups, LoadBalancer, AutoScaling (Docker-Container Setup auf ECS with Terraform as Infrastructure as Code)

GxP brain in Berlin as Software Development Lead
August 2014 – December 2016
  • Project and Teammanagement (Scrum process, Hiring, team development)
  • Software development in the pharmaceutical sector (PHP/Yii and Java/Groovy/Grails)
  • DevOps prototyping in CI (Test automation with Jenkins and Docker)
  • Software validation automatic/manual (Selenium, Geb, Cucumber, Gherkin)
  • System administration Linux (Debian on Proxmox and „bare metal“ servers)

Google Germany in Munich/Berlin as Operation Engineer
February 2007 – January 2014
  • Cluster Turnup/Turndowns
    (Turnup/Turndown München / Turndown Berlin)
  • Cluster extension / maintenance) (Server, Network and data security)
  • Implementation of software und tools (Shell, Python, Javascript, Google Dev-Env.)
  • Recruiting/Hiring in the operational area (ca 100 telephone/Onsite Interviews)
  • 24h Cluster On-Call in München and Berlin

MCS-Labordatensysteme in Konrwestheim as Freelance Software Developer / Software Developer in permanent contract
Summer 1999 – February 2007
  • Project support in the laboratory IT department (Production deployment of web technology)
  • Prototyping/Technology Scouting (Use of web technology in the LIMS area)
  • Implementation of web applications (HTML, Javascript, Java, Mysql, Apache)
  • CMS for dynamic website design (Prototype with xoad, mootools, Dojo)
  • Web site design and deployment
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