11/02/2026 updated
HW
100 % available
Senior Platform Engineer | OpenShift, Observability & Automation
Zwolle, Netherlands
Only remote
ICT Administration, ROC Utrecht (2001-2004)OpenShift & Kubernetes
Expertise in Red Hat OpenShift, Azure Kubernetes Service (AKS), private AKS clusters, Rancher, on-premise Kubernetes, Docker, Docker Swarm, Helm, Kustomize, and CKAD certification. Integration and operation of enterprise-grade container platforms including Service Mesh, ArgoCD and Keycloak.
Observability & Monitoring
Hands-on experience with Prometheus, Alertmanager, Grafana, Elasticsearch, Elastic Stack, Datadog and Sysdig for setting up monitoring, alerting and observability solutions across enterprise platforms.
Automation & Infrastructure as Code
Proficiency in Terraform, Bicep, Ansible, ARM templates, Azure DevOps Pipelines, GitOps with ArgoCD and Azure Functions for automating infrastructure deployment and platform management.
Security & Identity
Experience with HashiCorp Vault, Vault migration to autounseal with Azure HSM, Azure Key Vault, Keycloak (IAM), Sysdig runtime security, Nexus IQ, Nexus Firewall and SonarQube quality gates for supply chain and platform security.
Cloud & Platform Services
Extensive use of Microsoft Azure since 2018, including Azure Service Bus, Azure Postgres Flexible Server, Azure Front Door, Application Gateway, Azure Storage Accounts and Azure API Management.
CI/CD & Git Delivery
Practical knowledge of Azure DevOps, GitLab, Bitbucket, Jenkins, Nexus Repository 3, Azure Artifacts, XL Deploy, XL Release and Bamboo for building and managing CI/CD pipelines and delivery toolchains.
Development Languages
Background in PowerShell, Python, Bash, C#, .NET, Java and Scala, used for automation scripting, pipeline development and earlier software development roles.
Certifications
Holds CKAD (Certified Kubernetes Application Developer), Sysdig Kraken Hunter and Kraken Scout (2023), Architecting on AWS and Cisco CCNA certifications.
Expertise in Red Hat OpenShift, Azure Kubernetes Service (AKS), private AKS clusters, Rancher, on-premise Kubernetes, Docker, Docker Swarm, Helm, Kustomize, and CKAD certification. Integration and operation of enterprise-grade container platforms including Service Mesh, ArgoCD and Keycloak.
Observability & Monitoring
Hands-on experience with Prometheus, Alertmanager, Grafana, Elasticsearch, Elastic Stack, Datadog and Sysdig for setting up monitoring, alerting and observability solutions across enterprise platforms.
Automation & Infrastructure as Code
Proficiency in Terraform, Bicep, Ansible, ARM templates, Azure DevOps Pipelines, GitOps with ArgoCD and Azure Functions for automating infrastructure deployment and platform management.
Security & Identity
Experience with HashiCorp Vault, Vault migration to autounseal with Azure HSM, Azure Key Vault, Keycloak (IAM), Sysdig runtime security, Nexus IQ, Nexus Firewall and SonarQube quality gates for supply chain and platform security.
Cloud & Platform Services
Extensive use of Microsoft Azure since 2018, including Azure Service Bus, Azure Postgres Flexible Server, Azure Front Door, Application Gateway, Azure Storage Accounts and Azure API Management.
CI/CD & Git Delivery
Practical knowledge of Azure DevOps, GitLab, Bitbucket, Jenkins, Nexus Repository 3, Azure Artifacts, XL Deploy, XL Release and Bamboo for building and managing CI/CD pipelines and delivery toolchains.
Development Languages
Background in PowerShell, Python, Bash, C#, .NET, Java and Scala, used for automation scripting, pipeline development and earlier software development roles.
Certifications
Holds CKAD (Certified Kubernetes Application Developer), Sysdig Kraken Hunter and Kraken Scout (2023), Architecting on AWS and Cisco CCNA certifications.
Experience
Professional experience10+ years
Freelancer since2014
Languages
EnglishFluentDutchNative speaker
Project history
Integrated and supported platform services on an enterprise Red Hat OpenShift cluster hosting mission critical applications including Service Mesh, ArgoCD, Keycloak and Grafana. Onboarded and supported teams landing on and migrating to the platform using pipelines, Terraform and GitOps. Built the Mission Critical Platform through Infrastructure as Code, writing and extending Terraform modules behind private AKS clusters integrated with Azure Service Bus, Postgres Flexible Server, Front Door, Application Gateway, Key Vault and Storage Accounts. Ran lifecycle management and security updates, carried on-call duty, and maintained a global pipeline in Azure DevOps used across multiple teams. Technologies: OpenShift, Istio, Keycloak, ArgoCD, AKS, Terraform, Azure DevOps, Grafana, Elastic Stack, Datadog.
Part of the team running the CI/CD tooling as a platform for the organisation's development teams. Migrated a single central Jenkins instance to multiple managed per-team instances and ran lifecycle management across every product offered on the platform. Integrated Nexus IQ into the existing chain, surfacing vulnerabilities in dependencies early in the delivery process. Supported new teams onboarding onto the platform. Technologies: Kubernetes, Rancher, Docker, Linux, Jenkins, SonarQube, ArgoCD, Helm, Kustomize, HashiCorp Vault, Ansible, Prometheus, Grafana, Elastic Stack, Nexus Repository 3, Nexus IQ, Nexus Firewall.
Owned the administration and migration of HashiCorp Vault and supported development teams using it across the ABN AMRO ecosystem. Migrated Vault from Shamir seal to autounseal backed by Azure HSM. Set up monitoring and alerting on metrics using Prometheus, Grafana, Alertmanager and Microsoft Teams. Automated administrative tasks with pipelines, Bash and PowerShell, and built Azure Functions to replace periodic pipelines. Technologies: Azure, AKS, HashiCorp Vault, Azure HSM, Azure Key Vault, Azure Functions, Terraform, Bicep, Prometheus, Grafana, Alertmanager, Elastic Stack, PowerShell, Bash, C#.