Omschrijving

I am a seasoned engineer with over 30 years of hands-on experience across Unix system administration, software development, infrastructure automation, cybersecurity, and cloud computing.

Throughout my career I have helped organizations of all sizes build reliable, secure, and scalable systems — from hardening legacy environments to architecting modern cloud solutions.

What I can do for you:

Infrastructure automation — streamline and automate your infrastructure to reduce manual overhead and eliminate human error
Security integration — embed security requirements directly into your build and deployment pipelines (DevSecOps)
Software development — design and build robust software tailored to your specific needs

Why work with me?

With three decades of real-world experience, I bring both deep technical knowledge and a pragmatic mindset. I don't just deliver code — I deliver solutions that work in production.

Interested in collaborating? Feel free to reach out and let's discuss your project.

Talen

Nederlands
Tweetalig / moedertaal
Engels
Vloeiend

Voorkeuren voor werkplek

Kan op locatie werken

Antwerpen (tot 50km), Brussel (tot 50km)

Mask27.dev
Independent Security, Linux, Unix & Cloud System Engineer
oktober 2023 - Vandaag (2 jaren en 8 maanden)
Owner

I am an engineer with over 30 years of experience in Unix system administration, software development, system development/automation, cybersecurity, and cloud computing.
Federal Public
DevOps Engineer
oktober 2023 - Vandaag (2 jaren en 8 maanden)
Brussel, België
Freelance assignment.

◦ Migrated Kubernetes setup from OpenShift 3 to OpenShift 4.
RedHat OpenShift, Ansible, GitLab
◦ Migrated virtual machines from OpenStack to VMware.
OpenStack, VMWare, Ansible, Docker, Docker Compose, Docker Swarm
◦ Improved monitoring setup.
Prometheus, Grafana, AlertManager, Ansible, GitLab, Loki, ELK Stack (Elasticsearch)
◦ Reviewed CI/CD pipelines and created new architecture to deploy the applications with Helm.
GitLab, Ansible, Terraform, OpenShift, Kubenetes, Helm, Helmfile, ArgoCD, Docker, Podman
◦ Security review and architecture.
GitLab, Trivy, Syft, Grype, Kubescape, SonarQube, OpenSCAP, SBOM, OWASP dependencytrack, OWASP CycloneDX, RedHat Satellite
◦ Upgraded GitLab from 15 to 17. Reviewed/Improved pipelines and automation setup. GitLab, Semaphore, Ansible, Terraform
◦ Implemented secret management solution.
Kubernetes, OpenShift, External Secrets Operator (ESO), Vaultwarden, Ansible, Hashicorp Vault, OpenBao, Azure Key Vault, Secret Store CSI Driver, Hashicorp Vault Secret Operator (VSO)
◦ Setup and maintain the Docker build environment for our developers. Docker, Docker Compose, Docker Swarm
◦ Setup SSO for Java applications.
Kubernetes, OpenShift, Keycloak, LDAP, Active directory
◦ Reviewed Hybrid cloud setup
Kubernetes, OpenShift, Amazon AWS, Microsoft Azure, Terraform
◦ Automate certicate renewal process
Kubernetes, OpenShift, cert-manager, Hashicorp vault PKI, Ansible, ACME, Certbot
Kubernetes Hashicorp Vault OpenShift Linux Docker
GIMV
Tomcat Security Engineer
februari 2025 - april 2025 (2 maanden)
Antwerpen, België
Freelance assignment (short-term project)

◦ TLS configuration for Tomcat.
Tomcat, OpenSSL, Nmap
TLS Apache Tomcat Nmap IT-Security OpenSSL