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Nicolas DubutND

Nicolas Dubut

✅Expert DevOps | Kubernetes | IT Management

€600/day
10 projects
Rennes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nicolas

Welcome,
Cloud / DevOps Engineer Consultant, I assist you with a package or a one-shot mission on the infrastructure adapted to your business challenges.

With nearly 15 years of experience, I master Cloud, Kubernetes, Linux, and Dev.

I would be delighted to help you build your projects.

Expertise:

➔ ⛅ Cloud environment architecture and creation
➔ 🚀 CI/CD pipeline implementation
➔ 🚨 24/7 High availability infrastructures
➔ 🧑‍🔧 Implementation of DevOps best practices
➔ 🔨 Infrastructure deployment automation
➔ 👮🏻‍♂️ Security by design
➔ 🖥️ IT Management
➔ 👨‍🏫 Technical trainer

Technology Stacks:

INFRASTRUCTURE: Kubernetes, AWS, Scaleway, VMWare, OVH, Proxmox
KUBERNETES: Installation, Monitoring, Security, Scalability, Applications
MONITORING: Prometheus, Graylog, Grafana, Loki
IAC: Terraform, Ansible, Helm
CI/CD: Jenkins, Gitlab, AWX, ArgoCD
CODE: PHP, Python, JAVA, Angular, Shell
➔ WEB STACK: Nginx, Apache, Symfony

x3 certified Kubernetes (CKAD / CKA / CKS)

I am accredited CIR (Research Tax Credit) by the State for your complex R&D projects!
I am also a technical trainer for various DevOps topics, I can support your teams.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Rennes (up to 50km), Nantes (up to 10km)

Experience

  • LERM
    Director
    DIGITAL AND IT
    January 2025 - Today (1 year and 5 months)
    Lerm is the offer I created to help SMEs and startups better manage their infrastructure.
    I offer:
    Technical audit
    Implementation of DevOps methodologies
    IT Management
    Proxmox IT Management Kubernetes Prometheus GitHub
  • Checkandvisit
    DevOps Consultant
    REAL ESTATE
    February 2025 - Today (1 year and 4 months)
    Rennes, France
    Startup operating in virtual apartment tours with AI

    Problem: No existing technical architecture for real estate innovation
    Solution: Creation of a Multi-AZ infrastructure from scratch with complete autonomy

    Technologies: Terraform - Scaleway - GitHub - Datadog - IaC - Kubernetes

    Deliverables:
    ✓ Complete real-time monitoring
    ✓ Complex asynchronous workflow orchestration
    ✓ Optimized FinOps management
    ✓ Developer support + CI/CD

    Impact: Production infrastructure ready, autonomous teams
    Terraform Scaleway GitHub Datadog infra-as-code
  • GCS E-Santé Bretagne
    DevOps Consultant
    HEALTH AND WELLNESS
    March 2025 - October 2025 (7 months)
    Rennes, France
    Critical infrastructure for healthcare coordination in Brittany

    Challenge: Reliability of the instance responsible for regional health systems (hospitals, medical professionals)

    Mission: Automation and security of 24/7 production platforms
    Technologies: Ansible - Fortinet - Grafana - GitHub - Graylog - Cybersecurity

    Achievements:
    ✓ Complete system hardening
    ✓ Infrastructure as Code automation
    ✓ Security of critical flows
    ✓ Multi-level real-time monitoring

    Impact: Enhanced availability for patient care
    Ansible GitHub DevOps Cybersecurity Graylog

Reviews

5.0

Out of 8 ratings

AntoineA

Antoine

Adveris

Reviewed on 10/30/2025

We called upon Nicolas to assist us with various Kubernetes and Docker topics (training, instance setup, IT management...). Nicolas is competent, pedagogical, and very involved: he quickly understood our needs and guided us towards a clean and robust infrastructure. We are delighted with this collaboration and continue to work with him.
R

Romain

PlayShorts

Reviewed on 10/23/2024

Nicolas demonstrated great professionalism. He perfectly understood our problem and implemented an infrastructure tailored to our needs. We highly recommend him.

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Education

  • Management Information Systems BTS
    High School
    2012

Certifications

  • CIR Accreditation - Research Tax Credit
    Ministry of Education
    2024
  • Kubernetes CKS
    Linux Foundation
    2024
    Cybersecurity Kubernetes

Skill set

Categories