freiberufler DevOps Engineer / SRE / Kubernetes / Cloud Architect auf freelance.de

DevOps Engineer / SRE / Kubernetes / Cloud Architect

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  • 30.10.2024

Kurzvorstellung

Passionate DevOps Engineer with a strong technical background and 15+ years of professional experience who likes working on cloud architecture and Kubernetes. Committed to high quality standards and automation.

Qualifikationen

  • Amazon Web Services (AWS)
  • Cloud Computing4 J.
  • Continuous Delivery1 J.
  • DevOps2 J.
  • Go (Programmiersprache)1 J.
  • Google Cloud
  • Kubernetes9 J.
  • Puppet2 J.
  • Ruby
  • Server-Monitoring

Projekt‐ & Berufserfahrung

Platform Engineer // Kubernetes Consultant
Deutsche Post IT Services GmbH, remote
4/2023 – 6/2024 (1 Jahr, 3 Monate)
Logistikdienstleister
Tätigkeitszeitraum

4/2023 – 6/2024

Tätigkeitsbeschreibung

Kubernetes- and Cloud Consultant and Platform Engineer in a Cloud
migration project
Details:
○ Support migration of existing DHL Services into a modernized and secure
Kubernetes- and Azure Cloud infrastructure.
○ Consultation and implementation according to the security concept of the
company and Kubernetes best practices
○ Further development of the platform, introduction of various services, and
contribution to the observability stack
○ Develop and implement a RBAC concept for Kubernetes in collaboration
with Architects and Security
○ Development of Kyverno Policies to enforce and automate various company standards
○ Build docker containers and helm charts for a customized web application
firewall (WAF)
○ Implement Kubernetes Auditing

Eingesetzte Qualifikationen

DevOps, Continuous Integration, Iaas, Microsoft Azure, Kubernetes

IT Consultant
SOMNOmedics GmbH, Remote
3/2023 – 7/2023 (5 Monate)
Gesundheitswesen
Tätigkeitszeitraum

3/2023 – 7/2023

Tätigkeitsbeschreibung

Planning and execution of an Azure Cloud migration project.

○ Analysis of the current state of several bare metal Kubernetes clusters
as well as installed microservices written in Kotlin and Java and integrated storage solution and deployment workflows
○ Development of target architecture in the Azure Cloud in coordination
with development
○ Implementation of infrastructure as code using Terragrunt/Terraform
○ Planning and implementation of a monitoring solution based on Grafana
and Prometheus
○ Various adjustments to the microservices written in Java to support the
migration

Eingesetzte Qualifikationen

DevOps, Continuous Integration, Cloud (allg.), Microsoft Azure, Kubernetes

Platform Engineer
HDI AG, Remote
9/2022 – 1/2023 (5 Monate)
Versicherungen
Tätigkeitszeitraum

9/2022 – 1/2023

Tätigkeitsbeschreibung

Platform Engineering within the HDI IT Cloud Competence team.
Build a new platform based on Giantswarm, AWS and Kubernetes.
Golang development of Kubernetes operators to automate the onboarding process of new customers.
Build various deployment manifests with helm, kustomize and integrate it via Gitlab and ArgoCD.

Eingesetzte Qualifikationen

Cloud (allg.), Golang, Kubernetes

Monitoring Expert
HDI AG, Remote
5/2022 – 5/2022 (1 Monat)
Versicherungen
Tätigkeitszeitraum

5/2022 – 5/2022

Tätigkeitsbeschreibung

Golang development of "Prometheus Exporters" to provide business metrics in a CloudFoundry environment.
Develop Grafana Dashboards to visualise various metrics.

Eingesetzte Qualifikationen

Cloud (allg.), Golang

Site Reliability Engineer
Bundesdruckerei GmbH, Remote, Berlin
3/2022 – 11/2022 (9 Monate)
Öffentliche Verwaltung
Tätigkeitszeitraum

3/2022 – 11/2022

Tätigkeitsbeschreibung

Operations and DevOps in a Big Data project for crisis prevention and early detection for the german government.
Create and implement a concept for the monitoring strategy based on Prometheus, Thanos and Grafana.
Establish automation workflows and bring DevOps culture into the project.
Operational management and development of various on-premise Kubernetes clusters.
Conceptional work running data science applications in a containerized environment.

Eingesetzte Qualifikationen

DevOps (allg.), Golang, Kubernetes, System Architektur

DevOps Engineer
KPS AG, Remote
2/2021 – 3/2022 (1 Jahr, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

2/2021 – 3/2022

Tätigkeitsbeschreibung

Provide DevOps- and Infrastructure for the migration to a new B2X solution for the largest retailer for consumer electronics in the nordic countries to be ready for Black Friday traffic.
Operations and maintenance of Kubernetes and other Azure based cloud infrastructure.
Implement a blue/green deployment strategy.
Plan and execute performance testing to identify bottlenecks in complex application stacks.
Introduction of a Service Mesh solution, improvement of the monitoring stack, consultancy in capacity planning and best practices, ...

Eingesetzte Qualifikationen

DevOps (allg.), Golang, Kubernetes, Microsoft Azure, Node.Js

Senior DevOps Engineer // Technical Lead Kubernetes (Festanstellung)
sum.cumo GmbH, Remote
5/2019 – 11/2020 (1 Jahr, 7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2019 – 11/2020

Tätigkeitsbeschreibung

Modernisierung der IT-Infrastruktur, sowie Etablierung von DevOps.
Aufbau + Automatisierung von Kubernetes Clusters inkl. Tests, Monitoring auf Basis von Prometheus, Grafana und Kibana.
Entwicklung von Kubernetes-Operatoren, helm charts, kustomize bases, Policies, etc.
Unterstützung der Teams bei der Migration zu Kubernetes, sowie Aufbau von Deployments + CI/CD Integration.

Eingesetzte Qualifikationen

Bash Shell, Continuous Delivery, DevOps, Go (Programmiersprache), Kubernetes

Principal DevOps Engineer / SRE (Festanstellung)
Mobile GmbH, Kleinmachnow
12/2014 – 4/2019 (4 Jahre, 5 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2014 – 4/2019

Tätigkeitsbeschreibung

Working DevOps / SRE for ebay-kleinanzeigen.de and mobile.de.
Taking care of a multi-region, high traffic, complex infrastructure.
Taking technical lead to migrate the platform to an OpenStack based cloud solution.
Setting up k8s clusters and supporting the migration to microservices.

Eingesetzte Qualifikationen

Mysql, DevOps (allg.), Java (allg.), Jenkins, Cloud Computing, Kubernetes

Senior DevOps Engineer
Mobile GmbH, Kleinmachnow
1/2014 – 12/2014 (1 Jahr)
IT & Entwicklung
Tätigkeitszeitraum

1/2014 – 12/2014

Tätigkeitsbeschreibung

Working DevOps in the ebay-kleinanzeigen Team, supporting a complex multi-region, high traffic, hybrid cloud solution and working on improvements.

Eingesetzte Qualifikationen

Mysql, DevOps (allg.), Apache Tomcat, Puppet

Unix-Systemadministrator (Festanstellung)
Kundenname anonymisiert, Hamburg
12/2012 – 12/2013 (1 Jahr, 1 Monat)
IT & Entwicklung
Tätigkeitszeitraum

12/2012 – 12/2013

Tätigkeitsbeschreibung

Server- and Network administration. Operations and maintenance of highly available platforms of well-known companies. Based on Apache, Tomcat, JBoss, ..
Setting up CI/CD Pipelines with Jenkins, Capistrano. Using Chef for configuration management.
Database support and performance optimizations (MySQL, PostgreSQL, Oracle, CouchDB).

Eingesetzte Qualifikationen

Mysql, Postgresql, Apache HTTP Server, Apache Tomcat, Java (allg.), Jenkins

Linux-Systemadministrator // DevOps (Festanstellung)
Kundenname anonymisiert, Hamburg
1/2012 – 12/2012 (1 Jahr)
IT & Entwicklung
Tätigkeitszeitraum

1/2012 – 12/2012

Tätigkeitsbeschreibung

Working DevOps for a greenfield projects, based on PHP, MySQL and MongoDB.
Setting up a scaleable cloud environment on VMWare, as well as development environments. Config Management with puppet. Close cooperation with development teams.

Eingesetzte Qualifikationen

Mongodb, Mysql, DevOps (allg.), Vcloud, Puppet

Systemadministrator (Festanstellung)
Kundenname anonymisiert, Hamburg
12/2007 – 1/2012 (4 Jahre, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2007 – 1/2012

Tätigkeitsbeschreibung

System- and Networkadministration.
Administration and development of ISP infrastructure (network, mail,
dns, monitoring, hosting, SDSL, VPN, datacenters . . . )
Consultancy and engineering support for (Business-) customers and
projects
Automating of installation- and configuration processes, setting up HA-
and database clusters

Eingesetzte Qualifikationen

Mysql, Cisco Firewalls, Debian Linux, DNS

Weitere Kenntnisse

Kubernetes, Monitoring, Prometheus, AWS, GCP, Openstack, Linux, Grafana, Kafka, Cassandra, MongoDB, MySQL, Postgresql, Infrastructure, Testing, CI/CD, Golang

Persönliche Daten

Sprache
  • Deutsch (Muttersprache)
  • Englisch (Fließend)
Reisebereitschaft
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Arbeitserlaubnis
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Profilaufrufe
3278
Alter
45
Berufserfahrung
20 Jahre und 11 Monate (seit 12/2003)

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