DevOps Engineer / SRE / Kubernetes / Cloud Architect
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- 03.06.2024
Kurzvorstellung
Qualifikationen
Projekt‐ & Berufserfahrung
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
DevOps, Kontinuierliche Integration (CI), IaaS (Infrastructure as a Service), Microsoft Azure, Kubernetes
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
DevOps, Kontinuierliche Integration (CI), Cloud (allg.), Microsoft Azure, Kubernetes
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.
Cloud (allg.), Go (GoLang), Kubernetes
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.
Cloud (allg.), Go (GoLang)
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.
DevOps (allg.), Go (GoLang), Kubernetes, System Architektur
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, ...
DevOps (allg.), Go (GoLang), Kubernetes, Microsoft Azure, Node.js
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.
Bash (Shell), Continuous Delivery (CDE), DevOps, Go (Programmiersprache), Kubernetes
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.
mySQL, DevOps (allg.), Java (allg.), Jenkins, Cloud Computing, Kubernetes
1/2014 – 12/2014
TätigkeitsbeschreibungWorking DevOps in the ebay-kleinanzeigen Team, supporting a complex multi-region, high traffic, hybrid cloud solution and working on improvements.
Eingesetzte QualifikationenmySQL, DevOps (allg.), Apache Tomcat, Puppet
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).
mySQL, PostgreSQL, Apache HTTP Server, Apache Tomcat, Java (allg.), Jenkins
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.
MongoDB, mySQL, DevOps (allg.), VMware vCloud, Puppet
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
mySQL, Cisco Firewalls, Debian, DNS
Weitere Kenntnisse
Persönliche Daten
- Deutsch (Muttersprache)
- Englisch (Fließend)
- Europäische Union
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