09.10.2026 aktualisiert

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Senior Freelance DevOps & Platform Engineer mit 10 Jahren Erfahrung

Kehl, Deutschland
Nur Remote
Master of Science (Physics)
Kehl, Deutschland
Nur Remote
Master of Science (Physics)

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CV Georg Fleig - Senior Freelance DevOps & Platform Engineer.pdf

Über mich

More than ten years of experience designing and operating cloud-native platforms and Linux infrastructure. Specialized in Kubernetes, Infrastructure as Code, CI/CD, GitOps and observability, enabling development teams to build, deploy and operate software efficiently.

Skills

ObservabilityOpenTelemetryPlatform EngineeringBash ShellCloud-EngineeringLinuxDevOpsOpenStackAnsibleDocker ContainerCloud PlatformIstioInfrastructure as Code (IaC)GitLabKubernetesCloud-MigrationTerraformDockerJenkins
Senior Freelance DevOps & Platform Engineer with more than ten years of experience designing and operating cloud-native platforms and Linux infrastructure. Specialized in Kubernetes, Infrastructure as Code, CI/CD, GitOps and observability, enabling development teams to build, deploy and operate software efficiently.

Experienced in designing secure, scalable and automated platform solutions, streamlining software delivery processes and improving operational excellence by combining modern cloud technologies with proven open-source tools and engineering best practices.

Core Competencies
Platform Engineering • DevOps • Kubernetes • GitOps • Cloud Infrastructure • CI/CD & Release Engineering • Infrastructure as Code • Observability • Linux Platform Engineering

IT Skills

Container Platforms & Orchestration
Kubernetes (AKS, EKS, self-managed) • Helm • FluxCD • ArgoCD • Istio • Docker • Podman

Observability
OpenTelemetry • Dynatrace • Prometheus • Grafana • ELK • fluentbit • Jaeger • Sentry

Cloud Platforms & Infrastructure
Azure • AWS • OpenStack (prev. production experience)

Infrastructure as Code & Automation
Terraform • Ansible • Python • Bash • Kustomize

CI/CD
GitLab • Jenkins • Bitbucket

Linux Systems & Operations
Rocky • RHEL • Debian • Alpine • packaging • monitoring • firewalling • Secure Boot

Networking & Protocols
TCP/IP • HTTP • VPN • routing • (m)TLS

Databases & Caching
PostgreSQL • MariaDB • MySQL • CouchDB • Redis

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2023

Sprachen

DeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Release Engineering and Cloud Platform Observability for Point-of-Sale Systems

GEBIT Solutions GmbH

Internet und Informationstechnologie

50-250 Mitarbeiter

  • developed concepts and infrastructure for structured logging, metrics and centralized data collection for cloud services and POS systems using OpenTelemetry and Dynatrace
  • designed and optimized CI/CD pipelines and release processes for cloud and POS software, allowing confined and staged deployments
  • designed and implemented automated Secure Boot certificate integration for Linux based POS systems for custom Kernel modules
  • developed reusable Jenkins pipeline templates for automated RPM packaging of third-party software and drivers
  • supported resilience testing and troubleshooting of production and test environments

Tools/Technologies: Kubernetes, Helm, Jenkins, OpenTelemetry, Dynatrace, Azure, Ansible, Secure Boot, RPM, Rocky Linux

Cloud infrastructure migration and Linux-automation for point of sale systems - DevOps Engineer

HORNBACH Baumarkt AG
  • supported setting up a modern, secure cloud infrastructure stack on Microsoft Azure and enabled software development teams to deploy to this stack and utilize it
  • implemented GitOps concepts with Flux, GitLab and Jenkins
  • planned, coordinated and supported the migration of cloud infrastructure
  • implemented ansible roles and bash scripts for automated installation and configuration of Linux-based point of sale (POS) systems
  • created a tool to build and manage highly customized RPM package repositories for controlled software releases to POS systems
  • collaborated and coordinated tasks with multiple teams (platform, cloud, software development, architecture, security, network, ..)

Terraform, Microsoft Azure, Kubernetes, Flux, Istio, Helm, Ansible, Python, Jenkins, Postgres, Podman, RPM

Preparation and automation of Linux-based OS for POS systems - DevOps Engineer

GEBIT Solutions GmbH
  • implemented ansible roles and bash scripts for automated installation and configuration of
    Linux-based point of sale (POS) systems
  • analyzed and fixed issues between the POS hardware, the operating system (OS) and the POS
    applications
  • created a concept for staged releases of OS and POS related software packages to ensure
    clearly defined and quality testable releases
  • contributed to concepts for software rollout, system maintenance, operations, security and
    networking
  • created Jenkins pipelines for automated software and OS ISO builds
  • developed a proof of concept to enable NFC based authentication on Linux using passkeys
  • collaborated with DevOps, software development, security and network teams
Tools/Technologies: ansible, Rocky Linux, Jenkins, Pulp, Podman, Traefik, RPM, Passkeys, TLS,
Vagrant

Migration of kubernetes cluster and on-premise IT infrastructure to AWS - DevOps Engineer

PACE Telematics GmbH
  • supported the PACE DevOps team migrating the on-premise production environment to AWS while ensuring minimal downtime
Tools/Technologies: AWS, kubernetes, terraform, ansible, PostgreSQL

Migration of kubernetes clusters and on-premise IT infrastructure to AWS - DevOps Engineer

PACE Telematics GmbH
  • supported the PACE DevOps team with preparation of the development and sandbox environments of the PACE Connected Fueling platform on AWS
  • infrastructure and services were set up following Infrastructure as Code principles wherever possible with terraform and Ansible
  • analyzed existing on-premise infrastructure and prepared migration runbooks and documentation for services, databases, storage, VPN connections and more
  • helped migrating the on-premise development and sandbox environments to AWS while ensuring minimal downtime
  • worked in coordination with the DevOps and development teams
Tools/Technologies: AWS, kubernetes, terraform, ansible, GitLab, OpenStack, nginx, PostgreSQL,
Keycloak, prometheus, IPsec

DevOps Engineer (employed)

PACE Telematics GmbH
  • design, implementation and operation of the whole infrastructure of the company
  • including purchasing of hardware, provisioning and operation of the private cloud (OpenStack, Ceph, Kubernetes)
  • design and implementation of the micro-service supporting platform (logging, monitoring,
    alerting, tracing, IAM, databases, storage, ..)
  • central point of contact for IT operations topics and planning
  • migration of legacy services onto Kubernetes clusters and virtual machines
  • enabling developers to deploy to dev, test and production environments (Gitlab, Helm, ..)
  • communication with external partners for VPN, authentication and security topics
  • preparation of migration from private cloud to AWS
Tools/Technologies: kubernetes, ansible, terraform, GitLab, OpenStack, Ceph, AWS, nginx,
PostgreSQL, Keycloak, prometheus, Grafana, IPsec

Software Engineer (employed)

BELLIN GmbH
  • responsible for design, implementation and operation of the CI infrastructure (Docker, Kubernetes, Jenkins, Bitbucket; on Windows and Linux systems)
  • coordination of git merge processes and preparation of release artifacts
  • design and implementation of new components in .NET following domain driven design principles
  • member of the architecture team
Tools/Technologies: kubernetes, Jenkins, CI/CD, git, Bitbucket, .NET, Docker, Selenium,
SonarQube

Software Engineer (employed)

Sophos Technology GmbH
  • design and implementation of linux-based components for security solutions in AWS (Go, Bash, Ruby and Perl)
  • automated deployment of Kubernetes infrastructure for a micro-service architecture
  • coordination and monitoring of CI- and release processes
  • international cross-team communication with developers, quality assurance, architects and product owners
Tools/Technologies: AWS, Golang, kubernetes, ansible, terraform, Jenkins, networking

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