freiberufler DevOps Engineer auf freelance.de

DevOps Engineer

zuletzt online vor wenigen Tagen
  • auf Anfrage
  • 50823 Köln
  • National
  • tr  |  en  |  de
  • 20.10.2024

Kurzvorstellung

I am a DevOps engineer with more than 9 years of work experience including software development, building CI/CD pipelines, containerization, container orchestration, infrastructure as a code and always keeping the importance of security in mind.

Auszug Referenzen (1)

"K. E. war ein äußerst qualifizierter und engagierter Mitarbeiter, der stets hervorragende Arbeit geleistet hat."
Software Engineer (Festanstellung)
Arnim Bleier
Tätigkeitszeitraum

10/2017 – 12/2020

Tätigkeitsbeschreibung

Project: GESIS Notebooks is a free and hosted service for running Jupyter Notebooks requiring no installation,
which enables users to get started quickly with their research ideas, prototyping their data science projects,
or learning to program languages such as R, Python or Julia.

Responsibilities:
* Planning of the complete software development process
* Setup and maintenance of the servers and the kubernetes cluster
* Deployment and maintenance of a Persistent BinderHub and a public BinderHub
* Automation of all aspects including image building, chart and configuration updates and deployments
* Initial implementation of the "GESIS Login" system (based on Keycloak)
* Cooperation with open source projects (Jupyter projects) and contributing
* Jupytercon 2020 Talk: "A Persistent BinderHub: Democratizing Access to Computational Resources in the Social Sciences"
* Tutoring in "Introduction to Python" workshop
* Publication of "iLCM - A Virtual Research Infrastructure for Large-Scale Qualitative Data."

Eingesetzte Qualifikationen

Continuous Integration, Docker, DevOps, Kubernetes, Nginx, Postgresql, Python, Software engineering / -technik

Qualifikationen

  • Ansible3 J.
  • CI/CD Engineering
  • Container Orchestration
  • Container security
  • Containerization
  • Continuous Integration6 J.
  • DevOps6 J.
  • Docker6 J.
  • Git1 J.
  • Infrastructure-as-a-code
  • Kubernetes6 J.
  • Python8 J.
  • Software enginnering

Projekt‐ & Berufserfahrung

DevOps Engineer
Utimaco GmbH, Aachen
11/2023 – 6/2024 (8 Monate)
Informationssicherheit
Tätigkeitszeitraum

11/2023 – 6/2024

Tätigkeitsbeschreibung

* Creating and maintaining Helm Charts
* Setting up monitoring with Sensu
* Setting up and maintaining CI pipelines within Gitlab, and contious delivery with Argo CD
* Maintain and improve the terraform code which is used to setup the platform on Microsoft Azure
* Policy enforcement with Kyverno
* Implementing kubernetes network policies

Eingesetzte Qualifikationen

Docker, Git, Ansible, DevOps, Kubernetes, Microsoft Azure

DevOps Engineer
PBM Personal Business Machine AG, Köln
1/2023 – offen (1 Jahr, 11 Monate)
IT & Entwicklung
Tätigkeitszeitraum

1/2023 – offen

Tätigkeitsbeschreibung

* Automatisation of creating Kubernetes clusters
* Maintenance and upgrade of Kubernetes clusters
* Implementing Infrastructure as Code with Ansible and Terraform
* Containerization with Helm charts and maintenance
* Creating and maintaining Helm Charts library
* Monitoring, alerting and logging with Prometheus, Grafana and Loki
* Dependency automation with Renovate

Eingesetzte Qualifikationen

Continuous Integration, Ansible, DevOps, Docker, Git, Kubernetes

Kubernetes Engineer (Festanstellung)
Next Kraftwerke GmbH, Köln
5/2021 – 12/2023 (2 Jahre, 8 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2021 – 12/2023

Tätigkeitsbeschreibung

Project: Setting up secure and reliable multi-tenant kubernetes clusters on-premises in highly regulated and secure environments.

Responsibilities:
* Development of the platform as IaC using terraform and ansible
* Setting up and maintaining CI pipelines within Gitlab and Jenkins
* Setting up and maintaining CD with Argo CD
* Setting up monitoring, alerting and logging with Prometheus and Loki stacks
* Policy enforcement with Kyverno
* Implementing K8s network policies for each application
* Implementing tests
* Setting up Renovate for automated dependency updates
* Collaborating with developers to better understand their needs
* Preparing learning sessions
* Hosting daily meetings regularly

Eingesetzte Qualifikationen

Bash Shell, Ansible, DevOps, Docker, Continuous Integration, Kubernetes, Paas, Python

Software Engineer (Festanstellung)
GESIS – Leibniz Institute for the Social Sciences, Köln
10/2017 – 12/2020 (3 Jahre, 3 Monate)
Computational social science
Tätigkeitszeitraum

10/2017 – 12/2020

Tätigkeitsbeschreibung

Project: GESIS Notebooks is a free and hosted service for running Jupyter Notebooks requiring no installation,
which enables users to get started quickly with their research ideas, prototyping their data science projects,
or learning to program languages such as R, Python or Julia.

Responsibilities:
* Planning of the complete software development process
* Setup and maintenance of the servers and the kubernetes cluster
* Deployment and maintenance of a Persistent BinderHub and a public BinderHub
* Automation of all aspects including image building, chart and configuration updates and deployments
* Initial implementation of the "GESIS Login" system (based on Keycloak)
* Cooperation with open source projects (Jupyter projects) and contributing
* Jupytercon 2020 Talk: "A Persistent BinderHub: Democratizing Access to Computational Resources in the Social Sciences"
* Tutoring in "Introduction to Python" workshop
* Publication of "iLCM - A Virtual Research Infrastructure for Large-Scale Qualitative Data."

Eingesetzte Qualifikationen

Continuous Integration, Docker, DevOps, Kubernetes, Nginx, Postgresql, Python, Software engineering / -technik

Software Engineer (Festanstellung)
GESIS – Leibniz Institute for the Social Sciences, Köln
7/2016 – 9/2017 (1 Jahr, 3 Monate)
Computational social science
Tätigkeitszeitraum

7/2016 – 9/2017

Tätigkeitsbeschreibung

Project: WikiWho is an algorithm to parse
the complete set of all historical revisions of a revisioned Wiki document
in order to find out who wrote and/or removed and/or reinserted which exact text at token (~word) level at what revision.
This means that for every token, its individual add/removal/reintroduction history becomes available.

Responsibilities:

* Speed and accuracy improvement of the existing core WikiWho algorithm
* Realisation of the website, the REST API and a web-based API interface
* Parsing Wikipedia archives for various languages and applying WikiWho on them to generate base data for APIs
* Realisation of an event listener for Wikipedia events, connected to a task queue
* Update and improvement of the WhoColor server and user tools]
* Data analyses of authorship, persistence, conflict and editor interactions
* Generation of a data set for the entire English Wikipedia:
"TokTrack: A Complete Token Provenance and Change Tracking Dataset for the English Wikipedia"

Eingesetzte Qualifikationen

Postgresql, Nginx, Python, Django

Software Developer (Festanstellung)
MIR MEDIA, Köln
7/2015 – 6/2016 (1 Jahr)
IT & Entwicklung
Tätigkeitszeitraum

7/2015 – 6/2016

Tätigkeitsbeschreibung

Backend development

Eingesetzte Qualifikationen

Python, Django

Über mich

* Containerization
* Container Orchestration
* Container Security
* CI/CD Engineering
* Infrastructure as Code
* Software Development
* Linux Ecosystem
* Relational Databases
* Web Servers

Persönliche Daten

Sprache
  • Türkisch (Muttersprache)
  • Englisch (Fließend)
  • Deutsch (Gut)
Reisebereitschaft
National
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
Home-Office
bevorzugt
Profilaufrufe
228
Alter
36
Berufserfahrung
9 Jahre und 4 Monate (seit 07/2015)

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