Patrick Eichler
Kubernetes Expert | Azure Cloud Engineer, IT Service Consultant
Experience
Aug 2024 - Present
1 yearKubernetes Expert | Azure Cloud Engineer, IT Service Consultant
SHE Informationstechnologie AG
- DevOps transformation of on-premise applications to the Azure Cloud using
- IaC (Terraform), Helm Charts, GitOps (ArgoCD) and manifests
- Working with Linux server distributions
- Provisioning maintenance of AKS (Kubernetes) clusters
- Full provisioning of Grafana manifests (dashboards, alerts, etc.) using IaC and
- Helm Charts
- Consultant for architectural decisions regarding Azure components and
- Kubernetes
- Azure Cloud components used: Azure Application Gateway, AKS (Kubernetes),
- Azure Storage Accounts (Container), Azure Firewall, Web Application Firewall
- (WAF), Azure KeyVault, and Bastionhost
- Creation of a hub-and-spoke VNET architecture
- Postgres migration from OnPremise environments to the Azure Cloud using
- Active-Standby principles (Crunchy Operator)
Nov 2022 - Jul 2024
1 year 9 monthsKubernetes Expert | Site Reliability Engineer, Industry 4.0
Anonymous Customer
- Management, further development, optimization and maintenance of
- Kubernetes clusters with over 600 applications (Rancher)
- DevOps transformation from on-premise applications to Kubernetes using IaC,
- Helm Charts, GitOps and manifests
- Working with Linux server distributions
- Automated integration and deployment with GitLab CI/CD (.NetCore, Java,
- Golang, NodeJS), using jobs such as builds, tests, vulnerability scans,
- integration tests, deployment and notifications
- Introduction of GitOps using ArgoCD and Gitlab runners
- Integration of logging, tracing and monitoring using Grafana, Prometheus,
- Grafana Mimir, Jaeger, Opentelemetry, Opensearch, InfluxDB, and Sentry
- Integration of endpoints with Prometheus metrics in applications (.NetCore,
- Java, Golang, NodeJS), as well as sidecar tracing using OpenTelemetry
- Operator
- Full provisioning of Grafana manifests (dashboards, alerts, etc.) using IaC and
- Helm Charts
- Introduction of a decoupled IAM system using Keycloak (Operator)
- Education and training of developers and system administrators in
- Kubernetes, observability and SRE approaches
- Consultant for architecture decisions regarding microservices in Kubernetes
- and tools, as well as databases
- Introduction of DevSecOps in CI/CD pipelines and Kubernetes - with tools
- such as HashiCorp Vault and Trivy
- Evaluation of the Confluent Kafka Operator in Kubernetes
- Setting up a K3s cluster in the VPN
- Working with 5 teams according to agile principles; leading retrospectives
- and other agile ceremonies
- Introduction of integration tests with K6 Grafana
- Implementation of a notification system with Angular, NestJs, GraphQL,
- Postgres, VerneMQ and Golang
- Web development with Angular and NestJs
Aug 2022 - Oct 2022
3 monthsKubernetes Expert | Site Reliability Engineer, Industry 4.0
SICK AG
- Management, optimization and maintenance of Kubernetes clusters (Rancher)
- DevOps transformation from on-premise applications to Kubernetes using IaC,
- Helm Charts, GitOps and manifests
- Automated integration and deployment with GitLab CI/CD (.NetCore, Java),
- using jobs such as builds, tests, vulnerability scans and deployment
- Introduction of GitOps using ArgoCD and Gitlab runners
- Integration of logging, tracing and monitoring using Grafana, Prometheus,
- Jaeger, Opensearch, Loki and InfluxDB
- Integration of endpoints with Prometheus metrics in applications (.NetCore,
- Java)
- Consultant for architectural decisions regarding microservices in Kubernetes
- and tools, as well as databases such as Postgres and MSSQL
- Web development with Angular, NestJs, GraphQL, and Postgres
Mar 2022 - Jun 2022
4 monthsTech Lead, Digital B2B Payment Solution
SmartLoC GmbH
- Creation of an IT architecture overview for business use cases using a
- microservice and domain-driven approach
- Working with AWS and creating EKS clusters (Kubernetes), Route53, S3 and
- EC2 instances
- Management, optimization and maintenance of Kubernetes clusters (EKS)
- Management of VPCs and EC2 instances using Ansible and Terraform
- CI/CD pipelining with GitHub Actions, Helm Charts and ArgoCD (GitOps)
- Monitoring of applications and systems using Grafana, Prometheus and Influx
- Stack
- Creation and administration of Postgres databases
- Deployment of microservice applications in Kubernetes using ArgoCD
- (GitOps), as well as the creation of its manifests with Helm Charts (IaC)
- Web development with Angular, NestJs, GraphQL, and Postgres
Jan 2021 - Feb 2022
2 monthsTech Lead, IT Service Consultant
Async Software GmbH
- Working with Digital Ocean and creating Kubernetes clusters, droplets and
- container registries
- Administration and management of Kubernetes clusters
- CI/CD pipelining with GitHub Actions, Helm Charts and ArgoCD (GitOps)
- Deployment of microservice applications in Kubernetes using ArgoCD
- (GitOps), as well as the creation of its manifests with Helm Charts (IaC)
- Monitoring of applications and systems using Grafana, Prometheus and Influx
- Stack
- Web development with Angular, NestJs, GraphQL, and Postgres
Oct 2021 - Dec 2021
3 monthsFullstack Developer, IT Service Consultant
Exxeta AG
- Introduction of CI/CD pipelines for Angular applications, coupled with Nx
- Deployment of applications from GitLab to AWS servers (Apache)
- Further development of Azure DevOps CI/CD pipelines
- Conceptual design and implementation of a Kong gateway in an existing
- Azure Kubernetes Cluster (AKS)
- Architecture conception and presentation of Module Federation
- Web development with Angular, NestJs, GraphQL, and Postgres
Jul 2020 - Sep 2021
1 year 3 monthsFullstack Developer, Energy Market (Public sector)
e2m Energy2market GmbH
- Working with Rancher Kubernetes clusters
- Implementation of monitoring endpoints in NodeJs
- Work with Azure DevOps
- Continuous development and improvement of deployments (IaC) for
- Kubernetes using Helm Charts
- Maintenance and improvement of Azure DevOps pipelines (CI/CD)
- Monitoring of applications with Grafana, Prometheus and Influx Stack
- Management and migration of MongoDB and Postgres databases
- Web development with Angular, NestJs, GraphQL, and Postgres
Oct 2018 - May 2020
1 year 8 monthsFullstack Developer, Construction Industry
Orgadata Software-Dienstleistungen AG
- Deployment of web applications to Apache servers
- Management and improvement of CI/CD pipelines
- Migration of an existing desktop application to a web application
- Technical evaluation, conceptualization and design of the microservice
- landscape of the new web application (C#, Delphi, SignalR, COM)
- Web development with Angular and NestJs
Jan 2018 - Sep 2021
3 years 9 monthsDevOps Engineer, Web Marketing
Wunderding UG & Co. KG
- Introduction and integration of a Google Firebase database
- Linux server management (CentOS) with Ansible
- Integration and administration of OnPremise Kubernetes systems
- Integration and administration of Nexus Registry Server, SonarQube, Keycloak,
- InfluxDB, Dependency-Track, ELK Stack, Ingress Controllers, Redis and
- Postgres databases
- Creation of CI/CD pipelines with TeamCity, Helm Charts, and ArgoCD
- Introduction of monitoring with Grafana, Prometheus, Loki and Influx Stack
- Management and integration of IoT devices
- Web development with Angular and NestJs
Jul 2009 - Dec 2017
8 years 6 months Berlin, Germany
Software Developer, Medical Technology
Karl Storz Endoskope GmbH Berlin OR1
- Development of medical IT-Products and systems in Delphi and C#
- Working with Firemonkey
- Administration and migration of Interbase Firebird databases
- Introduction and migration of CI/CD pipelines using TeamCity
Summary
As a highly skilled IT professional, I bring a wealth of knowledge and hands-on experience to every project. My expertise in Linux systems, container orchestration, and cloud-native environments allows me to design and implement innovative solutions that are both efficient and scalable. What sets me apart is my passion for continuous training and staying on top of emerging technologies, ensuring that I offer the latest, most effective solutions tailored to your specific needs. I am committed to understanding your unique challenges and delivering results that drive tangible business success. As a freelancer, I provide flexible, personalized, and cost-effective services that are designed to meet the specific demands of your organization. By working with me, you gain a dedicated partner who is focused on helping you solve complex problems and achieve your goals.
Languages
German
Native
English
Advanced
Education
Oct 2009 - Jun 2012
OSZ IMT Berlin
Berlin, Germany
Certifications & licenses
CKA: Certified Kubernetes Administrator
THE LINUX FOUNDATION
CKAD: Certified Kubernetes Application Developer Operator
THE LINUX FOUNDATION
CAPA: Certified Argo Project Associate
CBA: Certified Backstage Associate
CCA: Cilium Certified Associate
CGOA: Certified GitOps Associate
CKS: Certified Kubernetes Security Specialist
KCA: Kyverno Certified Associate
KCNA: Kubernetes and Cloud Native Associate
KCSA: Kubernetes and Cloud Native Security Associate
Kubestronaut
LFCA: Linux Foundation Certified IT Associate
OTCA: OpenTelemetry Certified Associate
PCA: Prometheus Certified Associate
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