You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Etienne MequecinEM

Etienne Mequecin

Linux & HPC Consultant (Support & Exploitation)

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Etienne

Experienced IT consultant with over 15 years in Linux system administration, HPC cluster management, and critical application deployment.
I specialize in Java backend development, web service integration, containerization (Docker, Kubernetes), and infrastructure automation using Ansible.

I can assist you with your digital transformation projects, cloud migration, backend modernization, and development of robust and secure API services.

  • Stack: Java / Spring Boot / PostgreSQL / Docker / Ansible / Git
  • Systems: Linux (RedHat, Debian, CentOS) / SLURM / GPFS / LUSTRE
  • Methodology: CI/CD, DevOps, technical documentation, support
I work as a freelancer and am open to fully remote assignments.
📩 Let's discuss your needs!


💡 Services Offered
  • Java backend development (Spring Boot, PostgreSQL, REST APIs)
  • Migration and modernization of legacy applications
  • Setup of high-performance and secure Linux infrastructures
  • Deployment via Docker / Kubernetes
  • Automation with Ansible / CI-CD
  • Monitoring with Grafana, Prometheus






  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Reims (up to 50km), Troyes (up to 50km)

Experience

  • Atos Bull
    Linux and HPC Systems Engineer
    February 2018 - May 2025 (7 years and 3 months)
    Integration of a calculation submission Web portal
    Install and ensure the evolution of HPC infrastructures.
    Participate in the functional and technical qualification of HPC infrastructures.
    Implement and industrialize (DevOps) software installations and/or evolutions.
    Manage installation and scaling issues.
    Document installation and operation procedures for evolutions.
    Participate in validation and production deployment.
    Support for users and operations.
    Handle N3 incidents, identify root causes, and define action plans for resolution.
    Develop and optimize calculation codes with business units and HPC users.
    Porting and benchmarking of simulation codes.
    Develop proposals for system evolution.
    Perform technological watch.
    Propose solutions to improve system performance.
    Participate in the implementation of Proofs of Concept for innovation.
    Kubernetes Docker HPC Linux System Administration Ansible
  • NEURONES
    Web Integrator Administrator for CCI Paris
    DIGITAL AND IT
    October 2017 - February 2018 (4 months)
    Paris, France
    Migration of the International Electronic Formalities Management (GEFI) website
    Containerization, Continuous Integration, deployment, and production launch
    Docker Linux Debian JavaScript, HTML5, CSS3, PHP, MySQL JAVA/JEE; PostgreSQL
  • Start Tec Informatique
    IT Systems Administrator
    January 2008 - September 2017 (9 years and 8 months)
    End client: Thales TGS
    12/2016 – 09/2017
    Role: Capacity Management
    Project: Implementation of capacity management processes

    End client: Areva NP
    03/2011 – 11/2016
    Role: Systems Integrator Administrator
    Project: Build/MCO in IT outsourcing on HPC Linux clusters

    End client: Thales Services
    01/2008 – 02/2011
    Role: Systems Administrator and Integrator
    Project: Centralization and integration of collaborative tools for software development.




    Linux System Administration Docker Linux Debian GLPI Red Hat Linux

Recommendations

Be the first to recommend Etienne

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Skill set

Categories