Freelancer profile translated to English.
Back to original languageAbout Oussama
PRO
Certified Cloud/DevOps Engineer (4x AWS + Terraform), specializing in AWS/Azure cloud infrastructure architecture, migration, and deployment, IaC and CI/CD automation, containerization, and orchestration with Kubernetes.
Experienced in high-constraint environments (SNCF, telecom operators), with a results-oriented approach: reliability, compliance, security, performance, and FinOps.
Strong interest in generative AI and data.
SERVICES / MISSION TYPES
● AWS/Azure Cloud Engineering: architecture, landing zone, infrastructure deployment and modernization, migration, governance & compliance modernization
● CI/CD & Automation: Terraform & Ansible Infrastructure as Code, GitLab/Jenkins build & deployment pipelines, testing and quality (SonarQube)
● FinOps: cost optimization, rightsizing, lifecycle & backup policies
● Data & AI: infrastructures around SageMaker and other AI services, Databricks on Azure, DMS for data migration
● Kubernetes: Helm packaging, Docker containerization, and K8s orchestration on EKS
● Operations: observability and monitoring on AWS and Datadog
Community: documentation, project management, and squad leadership
KEY SKILLS
● Cloud: AWS, Azure
● DevOps: Git, GitLab CI/CD, Jenkins, Docker, Kubernetes, Helm, Datadog, Agility
● IaC: Terraform, Ansible, CloudFormation, CDK
● Systems: Linux, Windows
● Data: ETL, DataOps, Hadoop/Cloudera, Apache Airflow, Databricks, Kafka
● Databases: MySQL, PostgreSQL, Amazon RDS, DynamoDB
● Languages: Python, YAML, JSON
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Can work on-site
Massy (up to 50km)
Experience
- ATOSAWS Cloud DevOps EngineerJune 2023 - Today (3 years and 1 month)Bezons, France
SNCF Réseau Mission, MOTEC Division – Saint-Denis | Feb 2025 – Present
- Deployment and management of AWS infrastructures using Terraform & Jenkins for various division projects- Management of the Terraform IaC lifecycle, module upgrades, and documentation- Deployment of a serverless AI application (API Gateway, Lambda, AWS AI services) and setup of SageMaker domain and endpoints- Deployment of Kubernetes resources via Helm on EKS, resource management, and monitoring on Datadog- Implementation of a cross-account data migration procedure using AWS DMS- Infrastructure compliance, backup, and cost optimization- Deployment of Databricks and associated resources on Azure.- Ansible automation for deploying an EDR on cloud VMs- Documentation, knowledge transfer, and leadership of the cross-division SysOps communityINWI Mission – Bezons | Sep 2024 – Feb 2025
○ Centralization of logs from various AWS organization accounts via Terraform and Gitlab CI/CD○ Restriction of access to log-containing buckets via Endpoints and VPN○ Integration of the IBM QRadar SIEM tool for log ingestion and analysis○ Reliability improvement of Terraform IaC, CI/CD pipelines, and documentation○ Upgrade of EKS clusters and installation of new add-onsAtos Internal Project – Bezons | June 2024 – August 2024
○ Publication of a multimedia storage product on the AWS Marketplace○ Contribution to the development of a web portal on AWS Amplify○ Implementation of AWS service resilience: Cognito, S3, and DynamoDB, and integration of SonarQubeFastmag Mission – Bezons | Nov 2023 – June 2024
○ Deployment of infrastructure on AWS via Terraform and Gitlab CI/CD○ Monitoring of AWS infrastructure on CloudWatch○ Replication of the RDS database via AWS DMS and restriction of access to an IP list○ ETL of ALB logs: S3 → OpenSearch via Lambda○ Infrastructure refactoring, FinOps, backup policies - Société GénéraleDevOps & Data Engineer InternBANKING AND INSURANCEMarch 2022 - August 2022 (6 months)Paris, FranceI worked on a DevOps project within a Big Data scope. Implemented an automated solution for quality of service control of the group's Big Data platform.
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Education
- Dual Degree - Computer Systems EngineeringENSIMAG - Grenoble2022Ingénierie des systèmes distribués, Cloud, DevOps, Big Data.
- Ubiquitous and Distributed Systems Engineering - Cloud & IoTNational Institute of Posts and Telecommunications of Rabat - Morocco2022Ingénierie des systèmes distribués, Cloud, IOT et Big Data.
Certifications
- AWS Cloud PractitionerAmazon Web Services2023
- AWS Solutions Architect AssociateAmazon Web Services2023