Jona Koudijs — CV / Resume

About

Platform Engineer with 14+ years of experience in designing and building large-scale infrastructures using configuration management, Infrastructure as Code, and container technologies. Strong collaborator with a focus on teamwork and knowledge sharing across teams.

Experience

Politie Nederland Apr 2026 — Present

Platform Engineer (contract)

Nieuwegein, The Netherlands

Working on the internal MAAS (Metal-As-A-Service) product. This automates the roll-out of new hardware machines and gives teams the tools to manage the lifecycle themselves.

Hardware Kubernetes Tinkerbell Go Ansible

Nationale-Nederlanden Feb 2025 — Mar 2026

Platform Engineer (contract)

Rotterdam, The Netherlands

Responsible for automating deployment and management of a full Camunda platform on Kubernetes using Crossplane and KCL, and supporting stakeholders in onboarding and demonstrations. Focused on infrastructure-as-code, cloud integrations, and delivering a reproducible platform for workflow and BPM services.

Implemented reusable KCL modules to deploy a complete Camunda stack (Zeebe, Keycloak, Elasticsearch, Helm charts) on Kubernetes via Crossplane.
Integrated AWS services including EKS for clusters, RDS for managed databases, and ALB for ingress and routing.
Automated end-to-end deployments and lifecycle management of platform components with declarative manifests and Helm.
Demonstrated the platform to stakeholders, conducted onboarding sessions, and provided guidance to teams for adopting the platform and best practices.
Produced reusable code, templates, and documentation to enable repeatable deployments across environments.

Platform Engineering DevOps KCL (language) Kubernetes Camunda Helm Crossplane Elasticsearch Zeebe AWS Kyverno Chainsaw Python Amazon Elastic Kubernetes Service (EKS) Amazon Relational Database Service (RDS) Amazon S3

True Jan 2023 — Dec 2024

Kubernetes Engineer

Amsterdam, The Netherlands

Responsible for designing, managing, and expanding Kubernetes environments, both on True’s private cloud (Highlander) and public clouds like Azure. My tasks included automating and improving Kubernetes products, as well as supporting customers in implementing and maximizing the use of Kubernetes clusters and associated services.

Automated True’s Kubernetes product with pipelines (Ansible/Terraform), Rancher/RKE, and Kubernetes manifests/Helm charts.
Developed a REST API for reading configuration files (manifests, custom yaml).
Guided customers in application deployments and implementation of best practices using tools like ArgoCD (GitOps) and HashiCorp Vault (secrets).
Led the migration from RKE1 to Talos, including design, task distribution, and automation.
Delivered training sessions for engineers and conceptual Kubernetes sessions for non-technical colleagues.
Designed and developed a tool to automatically allocate Datadog costs across customers and environments based on tags and labels.
Developed and presented a workshop at a technical conference on building a Kubernetes operator.

Kubernetes Azure Kubernetes Service (AKS) Rancher Kubernetes Management RKE 1 + 2 Talos GitLab CI Nginx Cert Manager Grafana Python Bash Terraform Ansible Helm ArgoCD Keycloak Hashicorp Vault Trident Kuberhealthy Cookiecutter Nextcloud Harbor

True Dec 2020 — Jan 2023

Public Cloud Engineer

Amsterdam, The Netherlands

Designed and implemented custom platforms in Azure Cloud for various clients, including web hosting, IaaS, and Kubernetes solutions. I used Infrastructure as Code (Terraform) to build infrastructures and standardized Terraform modules to ensure consistency, efficiency, and best practices across different client projects.

Designed and implemented Terraform modules for automated resource provisioning in Azure Cloud.
Developed a Python tool with GitLab CI to detect configuration drift in Terraform.
Implemented environments ranging from small-scale App Services to multi-region architectures with Frontdoor.
Implemented Datadog and set up dashboards for all Azure environments.
Delivered workshops and training to (non-cloud) engineers to help them understand the basics of Azure and enable self-implementation.
Collected and presented information to achieve Microsoft’s Advanced Specialization.
Designed and integrated an internal automation project using Camunda to combine and visualize processes (BPMN) and pipelines from various technical teams.
Designed and implemented a structure to offer CI/CD pipelines as a product by breaking down the various steps and techniques into building blocks, enabling the offering of best practices to customers.

Azure Azure Kubernetes Service (AKS) Azure App Service Azure Frontdoor Azure CSP Terraform Python Bash GitLab CI Docker Camunda REST API

True Mar 2019 — Dec 2020

Infrastructure Engineer

Amsterdam, The Netherlands

Contributed to the development and management of True’s (Highlander) private cloud and other shared platforms used by client teams for their end customers. My focus was on ensuring the stability and user-friendliness of these platforms. Additionally, I held the role of "Ansible Master," where I was responsible for reviewing and improving changes to Ansible roles and related automation processes.

Developed an internal automation platform with Ansible and AWX, allowing clients to generate values for Ansible playbooks through a graphical interface, supported by automated tests and deployments via GitLab CI.
Maintenance and automation of the internal Ceph storage platform using Ansible.
Management of the internal GitLab platform, including central instances and multi-location runners.
Management and automation of NetApp clusters.
Designed development workflows with clients and built CI/CD pipelines to automate these processes.
Conceptualized and automated a PAAS proposition for Redis caching. Build with Sentinel and KeyDB.

KVM Python Bash Ansible Ubuntu Ceph Nagios GitLab GitLab CI Docker Vagrant NetApp Jenkins Graylog Redis KeyDB Prometheus

DearNova Sep 2018 — Dec 2018

DevOps Engineer

Vianen, The Netherlands

Developing (Python) internal tools for auditing purposes and creating a cloud inventory. Building and managing internal infrastructure for the developers (pipelines, global log setup).

Python Azure GitLab CI Graylog TeamCity

Sentia Dec 2017 - Sep 2018

Senior Continuity Engineer

Nieuwegein, The Netherlands

Designing and building high available infrastructures on the Sentia private cloud and public clouds. Handle customer requests, both new features and incidents. Performing standby duty. Lead engineer for a select amount of customers. Contributed company wide by running various workshops for different teams in the company and working towards company wide automation via Ansible.

Linux Ansible GitLab CI Training Apache Nginx MySQL Galera HAProxy Project Management Redis KeyDB

Sentia Nov 2013 - Dec 2017

Continuity Engineer

Nieuwegein, The Netherlands

Linux Ansible GitLab CI Training Apache Nginx MySQL Galera HAProxy Project Management Redis KeyDB

A-side Media Feb 2012 - Nov 2013

Service Employee

Mijdrecht, The Netherlands

Managing the webhosting platform and giving support to the developers working at the company. This included managing the (linux based) servers, migrating websites and creating new environments for new websites and applications.

Linux Webhosting DirectAdmin Apache MySQL PHP

Projects