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Pit Wegner

Devops & Site Reliability Engineer

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About Me

I am an eager and enthusiastic DevOps Engineer with an analytical mindset and broad field of interest. I am particularly fond of processes and how they can be improved by automation, both in infrastructure and software development, as well as real world domains.

Experience

50Hertz Transmission GmbH

Freelance Devops Engineer

  • Maintenance and development of a critical data analysis platform
  • Deployment and Configuration of data products such as Postgresql, MongoDB and Strimzi Kafka using Helm and ArgoCD
  • Development of Kubernetes Operators for specialized tasks in automated management of data products, e.g. credential rotation, backups and restores
  • Maintenance of Gitlab CI pipelines for automated testing and builds
  • Infrastructure management of multiple personal dev environments, as well as test, staging and production on GCP and on-premise in Terraform

ITZBund

Freelance PKI & Vault Engineer

  • Multi tenant secret and certificate management using Hashicorp Vault Enterprise
  • Implementation of a KV-Store solution as a multi tenant cloud service
  • Semi-automated performance and disaster recovery replication mechanisms
  • Infrastructure as Code Development using Ansible
  • Development of Kubernetes Operator as Cert-Manager Custom Issuer in Golang and helm chart for deployment
  • Automated versioning, testing and deployment of Ansible configuration using Gitlab CI
  • Python scripting for smaller automation tasks

Alpin Analytics GmbH

Freelance Devops Engineer

  • Planning and building a multi-tenant data analytics platform based on bare metal and cloud Kubernetes for the German Federal Foreign Office
  • Cluster API Kubernetes provisioning and Ceph Storage Management with Rook
  • Implementation of data infrastructure with PostgreSQL, MinIO and Superset
  • Designing a cloud native data ingest architecture incorporating Argo Workflows and Argo Events
  • GitOps implementation using ArgoCD and Github/Gitea
  • Creation of a service catalogue, parameterised roll-out of new services in Kubernetes using Backstage.io

Compugroup Medical SE & Co. KGaA

Freelance Devops Engineer

  • Maintenance and enhancement of the Gitlab CI Toolchain

PwC GmbH

Freelance Site Reliability Engineer

  • Maintenance and enhancement of a Kubernetes based multi-client data analytics platform serving Kubeflow, Minio, Superset and Trino
  • GitOps implementation using Helmfile, ArgoCD, Gitlab and AzureDevops
  • Operator development with Operator SDK (Golang) for generic policy and role management
  • Cloud native deployment to Azure Cloud Services including Kubernetes Engine, SQL and Secret Store

ITSG GmbH

Freelance Site Reliability Engineer

  • Support in building an Openshift4 Platform and deploying infrastructure components in the context of the electronic health record "AOK Mein Leben"
  • Kubernetes Operator and Deployment configuration for highly secure offline environment
  • Risk analysis for potential future failure scenarios in both operation and development processes

Bundesdruckerei GmbH

Devops & Site Reliability Engineer

  • Planning and development of the crisis forecast platform & ecosystem PREVIEW (Ministry of Foreign Affairs)
  • Development and implementation of high availability scenarios for critical infrastructure and customer applications, such as DNS and secrets management
  • IaC for Kuberentes applications using Helm & FluxCD (GitOps)
  • Development and maintenance of CI/CD pipelines in Gitlab including automated testing, semantic versioning and releases, and staged deployments
  • Service Routing and Certificate Management

Zorc Cybernetics GmbH

Full Stack Developer & Devops Engineer

  • Bare metal setup of an on-premise cloud using Proxmox virtualization, Terraform provisioning, and Ansible- based Kubernetes installation
  • IaC for Kuberentes applications using Helm & FluxCD (GitOps)
  • Development and maintenance of CI/CD pipelines in Gitlab including automated testing, temporary review deployments, semantic versioning and releases, and cloud deployments using Helm/Kubernetes
  • Basic data warehouse design and operation using Clickhouse on Kubernetes
  • Algorithm engineering for cost optimization of production lines and material usage in Python

Education

Hasso Plattner Institute, University of Potsdam

October 2018 - July 2020

Master of Science in Digital Health

Hasso Plattner Institute, University of Potsdam

October 2015 - September 2018

Bachelor of Science in IT Systems Engineering

Skills

Tools & Frameworks

Programming Languages

Modeling Languages

Standards