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Sophnel MerzierSM

Sophnel Merzier

DevOps Engineer | AWS & Terraform | Automation

€490/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sophnel

Bilingual Senior DevOps FR/EN, 5+ years of experience in Europe & Asia. I automate AWS infrastructures with Terraform/Ansible, deploy your Docker/Kubernetes applications, and set up ultra-fast CI/CD pipelines (Jenkins, GitHub Actions).
Result: -30% cloud costs and deployments in <15 min.

Value I bring:

🚀 Setup or complete redesign of cloud infrastructures in 10 days maximum

🛡️ Integrated security & monitoring (Prometheus, Grafana, IAM)

📈 Continuous optimization of AWS costs and performance

Key Skills:

Terraform & Ansible: Modular IaC, reproducible deployments

AWS (EC2, Lambda, RDS, IAM, CloudWatch…): scalable and optimized architectures

Docker / Kubernetes: containerization, orchestration, Helm, ArgoCD

CI/CD: Jenkins, GitHub Actions, GitLab CI – automatic deployments and fast rollbacks

Scripting: Python, Bash, PowerShell for fine-grained automation

Key Achievements
🏅 Reduction of 30% AWS costs via Terraform + RDS/EKS optimization
🏅 CI/CD pipeline from 4h to 20min thanks to GitHub Actions & parallelized tests
🏅 70% fewer critical incidents thanks to Prometheus/Grafana monitoring + Slack alerting
🏅 Migration of a monolithic platform to Kubernetes: 99.95% availability and 3x scaling

Certifications
AWS Solutions Architect – Associate | AWS Developer – Associate | AWS SysOps – Associate | Terraform Associate

Why work with me?

- Clear communication, daily reports

- Exhaustive documentation to ensure your team's autonomy

- Immediate full-time availability (40h/week)

🎯 Need to make your deployments more reliable or faster? Let's talk now!
  • French

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • BRED IT
    DevOps Engineer
    BANKING AND INSURANCE
    February 2023 - February 2025 (2 years)
    Bangkok, Thailand
    Responsible for the continuous improvement of critical infrastructures and advanced automation to optimize performance and security.

    - Automation of CI/CD deployments for critical banking systems using Ansible and Blue-Green strategies (downtime reduction from 16h to 2h).

    - Development and optimization of Ansible and Jenkins pipelines, reducing deployment time by 50%.

    - Automated deployment of RabbitMQ clusters via Jenkins and OpenShift, enhancing team autonomy and security.

    - Led internal workshops on CI/CD best practices (Jenkins, GitHub Actions).
    Ansible Jenkins OpenShift RabbitMQ Docker CI/CD Python Bash
  • WeScale
    DevOps & SRE Consultant
    September 2021 - February 2023 (1 year and 5 months)
    Paris, France
    I assisted various clients in modernizing and making their infrastructures reliable by introducing high-performing DevOps and SRE methodologies.

    - Migration and optimization of Docker and Kubernetes applications, improving their portability (+30%).

    - Implementation of an advanced monitoring system with Grafana and Prometheus, reducing incident resolution time by 25%.

    - Automation of deployments with Argo CD, decreasing production incidents by 25%.

    - Creation of efficient serverless workflows on AWS Lambda and API Gateway, saving 15 hours per week.

    - Rapid automation of AWS provisioning with Terraform and Ansible (-60% time).
    Amazon Web Services Kubernetes Docker Terraform Ansible Grafana Prometheus Argo CD Serverless AWS Lambda API Gateway CI/CD
  • Bouygues C2S
    Cloud Engineer
    CONSULTING AND AUDITS
    October 2019 - July 2021 (1 year and 9 months)
    I contributed to the optimization and efficient management of complex cloud infrastructures, reducing costs and operational incidents.

    - Implementation of advanced monitoring with Prometheus and Grafana, improving incident response time by 20%.

    - Migration of PostgreSQL databases to AWS RDS via Terraform, improving scalability and reducing maintenance by 30%.

    - Successful management of migrations to Azure and security policies with Microsoft Intune.

    - Development of optimized serverless APIs with AWS Lambda and API Gateway, reducing operational costs by 20%.
    Amazon Web Services Microsoft Azure Terraform PostgreSQL Microsoft Intune Python Powershell Serverless

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Education

  • Master Cloud Computing and Networks
    ESGI Paris
    2021

Skill set

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