Freelancer profile translated to English.
Back to original languageAbout Chaima
Certified AWS Cloud Architect with over 5 years of experience in designing, deploying, and optimizing highly available and secure cloud infrastructures. Advanced expertise in Infrastructure as Code. Proven experience in high-demand financial environments (BNP Paribas / Cardif).
French
Fluent
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- BNPPAWS Cloud ArchitectBANKING AND INSURANCEApril 2022 - Today (4 years and 2 months)Paris, France
- Design and implementation of highly available and scalable AWS architectures (multi-AZ)
- Definition and deployment of secure infrastructures (VPC, public/private subnets, IAM, SecurityGroups, NACLs)
- Implementation of Infrastructure as Code (Terraform/CloudFormation)
- Administration of AWS managed services: EC2, RDS (Multi-AZ), S3, ALB, Route53, CloudFront
- Serverless architecture: AWS Lambda, API Gateway
- Observability and monitoring with CloudWatch
- Backup strategies (AWS Backup), DR/BCP and high availability
- Cloud cost optimization: rightsizing, Reserved Instances, Savings Plans
- Check Point VPN configuration for interconnection with Cardif
- Deployment of an F5 WAF for application protection.
- DFY OrangeSupervision AdministratorTELECOMMUNICATIONSJanuary 2020 - February 2022 (2 years and 1 month)Paris, France
- Supervision of Hébex infrastructures (DataCenters, servers).
- Optimization and automation of supervision tools (migration from cfengine to ansible).
- Supervision of internal networks and datacenter equipment, as well as interconnections with Internet and Intranet backbones.
- Supervision of dedicated Hébex servers.
- Coordination between network teams and the supervision team.
- Collaboration with the supervision entities of the France Telecom group.
- NBSLinux System AdministratorE-COMMERCEJanuary 2018 - April 2019 (1 year and 3 months)
- Daily operational responsibility and incident management of platforms for clients.
- Deployment and operation on the CerberHost private cloud (NBS product).
- Automation of deployments and updates (Salt, Git).
- Management and configuration of infrastructure components: Load balancer, Reverse Proxies, Storage, DNS, Firewall with service tuning (Nginx, Apache, MySQL, Varnish, Hybris, Redis, iptables).
- Implementation of high availability architectures (Keepalived, HAProxy).
- Performing troubleshooting and root cause analysis (RCA).
- Infrastructure supervision (Nagios, Centreon, Thruk).
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Education
- Professional Master's in Free SoftwareHigher Institute of Computer Science2019
Certifications
- AWS Certified Solutions Architect – AssociatePearson VUE2024