Freelancer profile translated to English.

Description

DevSecOps / Cloud Engineer

Specialized in bare-metal and cloud Kubernetes infrastructures, with strong expertise in GitOps, CI/CD, security, and high availability.

Experience in designing, operating, and hardening Kubernetes clusters in production.

Comfortable in critical environments, incident management, disaster recovery, and sensitive / defense contexts.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Brest (up to 50km)

Groupe Asten -
DevSecOps Engineer
DIGITAL AND IT
February 2025 - Today (1 year and 4 months)
Brest, France
• Built and maintained Kubernetes on bare-metal infrastructures (up to 70 nodes) using Kubespray, Cloud-init, Ansible, Terraform
• Operated and upgraded clusters via kubeadm / kubelet (up to v1.34)
• Ingress & service mesh using Envoy Gateway, GatewayAPI, Traefik, Cilium, Calico, Istio
• Implemented GitOps & deployment workflows with ArgoCD, FluxCD, Helm, Kustomize, HelmRelease
• Designed and operated CI/CD pipelines using Gitea, Gitea Actions, GitLab CI/CD
• Implemented secure secrets & configuration management with Vault, External Secrets Operator, SOPS
• Implemented IAM, authentication & SSO with Keycloak
• Deployed and operated observability, logging & analysis stacks: Prometheus, Thanos, Grafana, Loki, Fluentd, Alloy
• Implemented FinOps & cost analysis using OpenCost
• Deployed Kubernetes storage & backup solutions: OpenEBS Mayastor (RWO), Rook-Ceph (RWX)
• Built, hardened and maintained Docker images
• Implemented Kubernetes security, policy enforcement & runtime protection: Kyverno, Gatekeeper, Falco
• Managed TLS, certificates & PKI using cert-manager, x509-Exporter
• Implemented autoscaling & scheduling with Karpenter, HPA, VPA
• Provided platform operations, support, troubleshooting and production analysis
• Debian, Ubuntu, Rocky
Ansible Kubernetes Site Reliability Engineering Cybersecurity Terraform
Marine Nationale
Naval Academy
DEFENSE AND MILITARY
October 2025 - February 2026 (4 months)
Brest, France
Naval Academy - French Navy - Military Training - CATI - Geopolitics - English - EPMST - EPMSA
Initial training for petty officers (non-commissioned officers of the French Navy)
Project Management Team Management Military Security Teamwork
Braincube
Software Engineer
SOFTWARE PUBLISHING
March 2023 - June 2024 (1 year and 3 months)
Issoire, France
• Kubernetes, Docker, IaC (Terraform, Ansible, Helm, FluxCD)
• Multi-cloud: Azure, AWS, GCP
• GitOps: CI/CD pipelines, Git repo maintenance, Helm chart authoring
• Disaster recovery: annual DRP testing + real incident response
• Data center migration & client onboarding (Docker)
• Infrastructure backups: ZFS snapshots, Kopia offsite
• Technical support & software integration for clients
• Bug triage, 8D analysis, Ansible role maintainer
• Observability: Grafana, Prometheus, Loki, Velero
• Scripting & automation: Python, Bash, YAML, SQL
Ansible Docker Linux Kubernetes Grafana

Check out Kilian's experience

Be the first to recommend Kilian

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

License CSIA Project Manager in Applied Information Systems
EAF
2020
License CSIA Project Manager in Applied Information Systems
BTS SIO Information Technology Services for Organizations
GFS Chamalières
2019
BTS SIO Information Technology Services for Organizations

Check out Kilian's education

Kilian Hillaire

DevOps Engineer

About Kilian

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories