Christian Pelster not available until 09/30/2021

Christian Pelster

DevOps Engineer, Software Developer

not available until 09/30/2021
Profileimage by Christian Pelster DevOps Engineer, Software Developer from Quickborn
  • 25451 Quickborn Freelancer in
  • Graduation: not provided
  • Hourly-/Daily rates:
  • Languages: German (Native or Bilingual) | English (Full Professional)
  • Last update: 08.03.2021
KEYWORDS
PROFILE PICTURE
Profileimage by Christian Pelster DevOps Engineer, Software Developer from Quickborn
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SKILLS
Linux, Ansible, Salt, Terraform, git, subversion, HiveMQ, Consul, Vault, Nomad, Docker, Vagrant, Kibana, Grafana, ELK, Hetzner Cloud, AWS, GCE, Vim, IntelliJ, GoCD, Jenkins, Gitlab, Github Actions, Concourse, PostgreSQL, Mysql, MariaDB Ecosystems Java, Kotlin, Ruby, Bash, Python, Scala, Eclipse RCP, PHP, JavaScript, Lua, Typescript, C/C++, TCP, IP, DNS, DHCP, CanOpen, MQTT, Cisco, TLS, OpenVPN, IpSec, Nagios/Zabbix/OpenNMS, Web Angular, Vue, Node, js, GWT, CSS, SCSS, HTML5, LESS, IoT, PKI, Java, Dropwizard, Spring Boot, HiveMQ Angular, C++, CI/CD (GoCD, Concourse), continuous integration, cloud, continuous delivery, DevOps, backend, Azure, CI/CD (GoCD), NET, microservices, Cloudformation, ELK Stack, DynamoDB, Java framework, XEN, Puppet, configuration management, Eclipse, Weblogic, Zabbix, Oracle, Data center, operating system, issue tracking, Windows, Icinga, MsSQL, TCP/IP, HTTP, Ethernet, CMS, LAMP, Perl, ERP, CRM, Windows NT/2000, XText, Spring, Hibernate, Derby, Gradle, Selenium, Lan
PROJECT HISTORY
  • 05/2018 - Present

    • Jungheinrich Digital Solutions
    • 50-250 employees
    • Transport and Logistics
  • Technical team lead for a global‐scale IoT platform
    • Feature development and day‐to‐day platform operations including on‐call duties
    • Drive technical evolution of the IoT platform
    • Ensure technical alignment with internal and external parties
    • Mentoring and development of graduates
    • Evaluation of new technologies
    • Technical integration into the company IT landscape
    • Ensure and oversee secure and stable operations
    • Technologies: AWS, PKI, Vault, Ansible, Terraform, CanOpen, Java, Kotlin, Python, Ruby, Linux, Bash, Dropwizard, Spring Boot, HiveMQ Angular,
    • C++, CI/CD (GoCD, Concourse), PostgreSQL

  • 03/2017 - 05/2018

    • THOUGHT WORKS DEUTSCHLAND GMBH
    • 1000-5000 employees
    • Internet and Information Technology
  • Building an IoT Platform for Connected Machines
  • * Implementation, continuous integration and delivery of a global-scale IoT platform
    * Continuous integration, testing and delivery for embedded software on IoT devices
    * Guiding clients on the selection and introduction of cloud-based infrastructures in the context of continuous delivery/deployment
    * Teaching DevOps principles and general cloud operations for internal employees
    * Implementation of Java-based IoT backend
    * Design and implementation of a PKI for secure device communication
    * Technologies: AWS, PKI, Azure, Terraform, Ansible, Consul, CanOpen, Salt, Java, Python, Ruby, Linux, Bash, Dropwizard, C++, CI/CD (GoCD),
    PostgreSQL

  • 04/2016 - 12/2016

    • THOUGHT WORKS DEUTSCHLAND GMBH
    • 1000-5000 employees
    • Internet and Information Technology
  • Live migration of a running Online Platform to AWS
  • * Migration of a .NET based monolith hosted on premise towards a Java/Scala based microservice architecture continuously delivered in AWS at
    Auto Scout24
    * Supporting clients on their migration path from a traditional IT department structures to cross-functional teams backed by DevOps principles
    * Planning and implementation of a CI/CD process
    * Implementation of Java/Scala based microservices
    * Proactive monitoring of security events
    * Chaos engineering to ensure platform stability
    * Technologies: AWS, Cloudformation, Scala, Java, Ruby, Linux, Bash, ELK Stack, Akka, Play, CI/CD (GoCD), DynamoDB

  • 03/2007 - 04/2016

    • LUFTHANSA SYSTEMS AG
    • >10.000 employees
    • Transport and Logistics
  • Designing a transportation management solution for a major logistic provider
  • * Conception and development of a company-wide, model-based Java framework for software development projects
    * Planning and implementation of a continuous integration/deployment solution
    * Development, maintenance and monitoring of the project infrastructure
    * Transformation of traditional on-premise infrastructure into an XEN-based virtualized environment
    * Introduction of a Puppet-based configuration management for all aspects of the project infrastructure
    * Technologies: Puppet, Java, Python, GWT, Eclipse RCP, Linux, Bash, XEN, Weblogic, Zabbix, Graphite, Oracle, Mysql


  • 09/2002 - 03/2007

    • LUFTHANSA SYSTEMS AG
    • >10.000 employees
    • Transport and Logistics
  • Data center operations and helpdesk
  • * Operation and monitoring of all aspects from network, up to and including operating system level for the company data center
    * Second and third level support including 24/7 on-call for data center operations
    * Development of internal tools needed for the day-to-day help desk tasks (issue tracking, inventory, software deployment automation)
    * Technologies: Linux, Windows, PHP, Java, Linux, Bash, Icinga, MsSQL, Mysql, TCP/IP, DNS, HTTP, Cisco, Ethernet

TIME AND SPATIAL FLEXIBILITY
Availabe starting 01.10.2021
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