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Gustave NgangoGN

Gustave Ngango

Supermalter

AWS Cloud Architect | DevSecOps | EKS | Terraform

€700/day
6 projects
Paris, FR
8-15 years
Amazon Web Services (AWS)
Kubernetes
DevOps
CI/CD
Terraform

Average response time: 1 hour

Freelancer profile translated to English.
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About Gustave

Looking for a Senior AWS Cloud Architect?
Want to migrate to AWS, optimize your cloud costs, or industrialize your Kubernetes deployments?

đŸ‘€ WHO AM I
Multi-certified AWS Cloud Architect (Solutions Architect Pro, DevOps, Security, Database) and AWS Academy Instructor, with 8+ years of experience. I have supported ENGIE, Airbus, Claranet, OuiGo, Sarenza, Les Inrocks.

📈 RESULTS
✓ 30 to 40% reduction in cloud costs
✓ 15+ cloud migrations without interruption
✓ CI/CD reducing deployments by 70%
✓ Architectures with 99.99% uptime
✓ Critical production sites (engie.com, Engie UK/US)

đŸ› ïž MY SERVICES
As an AWS Cloud Architect, I can assist you with:

→ Well-Architected AWS Cloud Architecture
→ Cloud Migration and Modernization
→ Infrastructure as Code (Terraform, CloudFormation)
→ Kubernetes EKS, ECS, Fargate, Docker
→ CI/CD: Jenkins, GitLab CI, GitHub Actions, GitOps
→ Serverless: Lambda, SAM, API Gateway
→ DevSecOps and Cloud Security
→ AWS Cost Optimization (FinOps)
→ Observability: Datadog, Dynatrace, ELK, Prometheus
→ Architecture Audit and Strategic Consulting
→ AWS, DevOps, Kubernetes Training

🏆 MY CERTIFICATIONS
✅ AWS Solutions Architect Professional
✅ AWS Solutions Architect Associate
✅ AWS DevOps Engineer Professional
✅ AWS Security Specialty
✅ AWS Database Specialty

📍 Long-term, one-off, audit, or training missions. Remote or on-site in Paris, Lyon, Lille, Rouen, Rennes.

🚀 Shall we discuss your project?

💬 Contact me, I respond quickly. First 30-minute consultation offered.
Consulting and Audits
Digital Business Models
Education Companies
E-commerce
Digital and IT Services

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Lyon (up to 50km), Lille (up to 50km), Rouen (up to 50km), Rennes (up to 50km)

Experience

  • Engie - SA
    AWS Cloud Infrastructure Architect and Lead DevSecOps
    ENERGY AND UTILITIES
    May 2022 - Today (4 years and 2 months)
    Bagneux, France
    ENGIE is a global leader in the energy transition, present in over 30 countries with 97,000+ employees. The BtoC/DCP Directorate manages energy services for millions of individual customers in France.

    🎯 MISSION OBJECTIVE
    To manage all AWS Cloud infrastructure activities for the BtoC/DCP scope: design, build, and run. "You build it, You run it" approach with 100% Infrastructure as Code. Ensure high availability and security of critical web platforms.

    đŸ› ïž TASKS PERFORMED
    - Design and architecture of highly available AWS Cloud infrastructures
    - Build and run of critical web platforms (customer portal, subscription process)
    - Expertise in Kubernetes EKS: deployment, scaling, security
    - AWS Expertise: EC2, Lambda, WAF, CloudWatch, RDS, S3, VPC, IAM, Route53
    - Infrastructure as Code with Terraform (reusable modules, infra CI/CD)
    - Microservices architecture and implementation of a deployment factory
    - DevOps coaching for development teams
    - DevSecOps approach: secrets management, vulnerability scanning, hardening
    - Backup strategy and disaster recovery plan (DRP)
    - Monitoring and observability: alerting, dashboards, SLO/SLI, APM
    - FinOps optimization and AWS cost management
    - Critical production incident management

    📈 RESULTS
    ✓ BtoC platform maintained at a high level of availability
    ✓ Complete industrialization of deployment via IaC
    ✓ Upskilling of internal teams in DevOps
    ✓ Reduction of AWS costs through architectural optimization

    🔧 TECHNICAL ENVIRONMENT
    AWS (EC2, Lambda, EKS, WAF, CloudWatch, RDS, S3, VPC, IAM, Route53, CloudFront), Terraform, Kubernetes, Docker, Helm, Python, Bash, CI/CD, GitLab CI, DevSecOps, Linux, Monitoring, Observability, Microservices, FinOps
    Terraform Cybersecurity Amazon Web Services DevOps Kubernetes
  • ENGIE IT
    AWS Cloud Architect and DevSecOps
    ENERGY AND UTILITIES
    December 2019 - May 2022 (2 years and 5 months)
    Saint-Ouen, France
    ENGIE IT is the IT department of the ENGIE group, a global leader in the energy transition (97,000+ employees, present in over 30 countries). ENGIE IT is responsible for the design, operation, and security of the group's strategic IT systems internationally.

    🎯 MISSION OBJECTIVE
    To design and operate highly available AWS Cloud architectures for the group's critical websites (engie.com, Engie UK, Engie North America), the customer portal, and the supplier portal. To lead modernization, cloud migration, and the DevSecOps initiative.

    đŸ› ïž TASKS PERFORMED
    - Analysis, design, and architecture of highly available Cloud Native AWS architectures
    - Architecture of customer portal, supplier portal, and international corporate websites
    - Writing of application architecture documents (DAT)
    - Modernization and refactoring of legacy applications to the cloud
    - Design of migration strategy, tool selection, implementation
    - CI/CD automation and continuous delivery
    - Jenkins setup with distributed builds
    - Adoption of Serverless (AWS Lambda, SAM Framework)
    - Container expertise: Amazon ECS, Kubernetes
    - Managed database expertise: RDS, Aurora, DynamoDB
    - DevSecOps support for development teams (secrets management, SAST)
    - Optimization of scalability and performance
    - Centralized log management stack ELK
    - Monitoring and observability with Dynatrace and Sensu-Go
    - Operation and build of high-traffic critical sites

    📈 RESULTS
    ✓ engie.com, Engie UK, Engie North America sites operated at a high level of availability
    ✓ Industrialization of deployments on international platforms
    ✓ DevSecOps culture disseminated among development teams
    ✓ Successful migration of legacy components to Cloud Native

    🔧 TECHNICAL ENVIRONMENT
    AWS, Terraform, Kubernetes, ECS, Docker, Lambda, SAM Framework, Python, Jenkins, GitHub, Dynatrace, Sensu-Go, ELK, RDS, Aurora, DynamoDB, CI/CD, DevSecOps
    Amazon Web Services (AWS) Jenkins Serverless Terraform AWS Lambda
  • AIRBUS Commercial - Toulouse
    AWS Cloud Architect
    AVIATION AND AEROSPACE
    October 2021 - December 2021 (2 months)
    Airbus Commercial Aircraft is the commercial aircraft division of the Airbus group, a world leader in civil aviation. Based in Toulouse, it designs, produces, and delivers the A220, A320, A330, and A350 aircraft families. Airbus employs over 150,000 people worldwide and had a turnover of over 69 billion euros in 2024.

    🎯 MISSION OBJECTIVE
    To propose and implement an automated testing strategy for a fully Serverless application designed on AWS, within an industrial aeronautics context demanding high reliability and traceability.

    đŸ› ïž TASKS PERFORMED
    - In-depth analysis of the existing Serverless architecture (AWS Lambda, API Gateway, DynamoDB)
    - Identification of critical test points (unit, integration, end-to-end)
    - Analysis and benchmarking of automated testing tools compatible with Serverless
    - Comparative evaluation: Pytest, Robot Framework, Flask, native AWS tools
    - Recommendation of tools suited to the project context and AWS stack
    - Writing of an implementation plan for the testing strategy
    - Definition of test patterns for event-driven architectures
    - Design and implementation of a functional Proof of Concept (POC)
    - Demonstration of test coverage on Lambda components
    - Technical documentation and knowledge transfer to teams

    📈 RESULTS
    ✓ Automated testing strategy validated by the Airbus project team
    ✓ Operational POC demonstrating the feasibility of the approach
    ✓ Implementation plan adopted for industrializing tests
    ✓ Acceleration of future delivery cycles thanks to the confidence provided by tests

    🔧 TECHNICAL ENVIRONMENT
    AWS, AWS Lambda, API Gateway, DynamoDB, Serverless, SAM Framework, Python, Pytest, Robot Framework, Flask, Cloud Architecture, Automated testing, POC, Aeronautics
    Cloud Architecture AWS Lambda flask Robot Framework Pytest
Check out Gustave's experience

Reviews

5.0

Out of 1 rating

S

Samuel

ENGIE - BU France BtoC

Reviewed on 1/16/2024

Gustave brought all his expertise to Engie's IT department's infra teams. He exercises benevolent leadership, both positive and technically sharp, in operational phases as well as in framing and design. I relied with complete confidence on his technical skills and his interpersonal abilities. Gustave is recognized by all the teams who have worked with him throughout his mission.

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Education

  • Master's Degree - Expert in Computer Science and Information Systems
    Supinfo
    2019
    AWS, Kubernetes, Docker, Azure, Big Data, Gestion de projet, Scrum

Certifications

Gustave's certifications are only visible to Malt Community members

Skill set

Jenkins
Serverless
AWS Fargate
React.js
Git
SQL
DynamoDB
MySQL
Amazon Aurora
Redis
PostgreSQL
Cybersecurity
Database
Big Data
Alicloud
Helm
Github Actions
Vault
AWS Lambda
Grafana
Prometheus
FinOps
Cloud Architecture
Python
flask
Elasticsearch
DNS
Linux
Amazon S3
Amazon Web Services
Gitlab CI/CD
Argo CD
EKS
Docker
Infrastructure as Code
aws architect
AWS Architect
AWS Cloud
DevSecOps
cloud computing architect
cloud architect aws
devsecops aws

Categories