About Julien
French
Native or bilingual
English
Fluent
Experience
- L.J ConsultingSolution ArchitectTECHJanuary 2023 - January 2024 (1 year and 1 month)Toulouse, FranceProject ContextDesign of a SaaS software to automate Amazon marketing campaigns management through the Amazon Ads API. Configure rules to apply different scenarios based on predefined metrics.My work consisted on one hand of thoroughly understanding Amazon's PPC (Pay-Per-Click) system to grasp the business issues and challenges, and on the other hand, defining the technical solution that could meet the PPC campaign automation needs.There are two stages of project maturity:- STEP 1: Developmento AWS environment with Elastic Beanstalk to stay focused on developmento Monolithic architecture- STEP 2: Scaling and Productiono Consideration of infrastructure needso Microservice architectureAchievements✓ SaaS Platform✓ Definition of business constraints and objectives✓ Definition of the target architecture for STEP 2✓ Definition of the software architecture in collaboration with a developer partner✓ Definition of the project roadmap and guidelines✓ Choice of tools and technologies with the developer✓ Configuration of the development environment✓ Decomposition of the project into tasks and Work Packages (WBS)✓ Securing the platform and the development environment (see Guidelines)DeliverablesSaaS PlatformAssessmentNot yet in productionTechnical EnvironmentAWS, GitLab CI/CD, API GW, Node.js, Express.js, React
- AirbusCloud Cybersecurity ArchitectTECHSeptember 2021 - October 2022 (1 year and 2 months)Toulouse, FranceProject ContextArchitect within the framework of a global transformation project for Airbus's HRIS (DMH entity) in an international environment (Europe, India, USA).My role is to act as the interface between the Project Manager (client) and the SaaS solution provider to support projects in the successful integration of their platform within Airbus's IT system.Achievements✓ Production of SD* and ARD* deliverables for SaaS solutions to be integrated and interconnected with the client's IT system.✓ Participation in tenders to verify technical aspects✓ Study of proposed solutions and their technologies✓ Organization of technical meetings with the provider to prepare for the integration of its software✓ Support the provider in integrating with the Airbus client's IT system✓ Comprehensive security audit of the SaaS platformo Secure Cloud Architecture, security components (FW, WAF, etc.), API security, IAM configuration, authentication system, cryptographic key management, secure storage, data classification/protection, data retention, backup/recovery management, machine hardening, identification of subcontracted activities, supervision, incident management, BCP/DRP, etc...✓ Work with Cyber teams based in India to ensure compliance with client security requirements✓ Identify critical points and propose improvements or corrections✓ Proposals for improvements in the verification and validation process of evaluation criteriaDeliverablesSecurity Dossier (SD*)Architecture Requirements Dossier (ARD*)AssessmentSuccessful integration of various SaaS projectsTechnical EnvironmentOn-premise infrastructure, AWS, Azure, GCP, REST API, SSO, SAML, OAuth, IAM, PAM, RBAC, FW, WAF, IDS/IPS, EDR/XDR, KMS, S3, CloudTrail, SIEM, VPC, NACL, SG, ECS, EKS, MySQL, RDS
- Renault Software FactoryDevOps EngineerTECHFebruary 2021 - July 2021 (6 months)Toulouse, FranceProject ContextDevOps Engineer for a project to migrate the Foreman platform used for managing and configuring the entire client machine fleet.My role is to deploy a new Foreman platform with DevOps tools to automate its installation, configuration, and integration.The goal is to benefit from the latest updates and features.Achievements✓ Automation with Ansible for the deployment of Foreman and Smart-Proxy with its plugins✓ Automation with Python for the configuration of Foreman and its parameters used by the client in the original version. The configuration is described in YAML files and then ingested via the Foreman API, through which the platform is parameterized.DeliverablesForeman v2.4 Platform + Smart-Proxy with Ansible and Discovery pluginsAnsible Roles: Foreman deployment + Smart-ProxyPython Script: Foreman parameter configurationAssessmentNew version of the Foreman platform deployableProject completedTechnical EnvironmentOn-premise infrastructure, Linux, Foreman, Ansible, Docker, Python, Gitlab, CI/CD
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Education
- Program AnalystCESI Engineering School2011
- Information Systems Manager, specialization Networks & TelecomCESI Engineering School2014
Certifications
- AWS Certified Solutions Architect – AssociateAWS2020