SEÏFEDDINE
BRAHMI
DevOps Middleware & Systems Engineer at Sopra Steria. Specialized in Cybersecurity, Cloud & IT Infrastructure.
24 years
Champs-sur-Marne
Véhicule
6745 pts
DevOps Engineer & Cybersecurity Enthusiast
I'm Seïfeddine Brahmi, a DevOps Middleware Engineer at Sopra Steria I2S. I specialize in deploying and optimizing middleware solutions to ensure scalability and high availability for critical systems.
With a Double Master's degree in Cybersecurity & Cloud / IT Governance, I bring expertise in cloud architectures (AWS, Azure, GCP), DevSecOps practices, and infrastructure automation using Terraform, Ansible, and Kubernetes.
Passionate about cybersecurity, I hold 6745 points on Root-Me and actively participate in CTF challenges on TryHackMe and HackTheBox. I also conducted research on post-quantum cryptography for quantum-resistant cloud security.
Experience & Education
DevOps Middleware Engineer
Sopra Steria I2S | SFR Paris
Deploying and optimizing middleware solutions for scalability and high availability. Automating monitoring scripts (logs & alerting) with Python & PromQL, reducing critical incidents by 30%. Conducting cybersecurity audits (CVE, MCO/GDP) and hardening systems.
Systems & Network Engineer
Sopra Steria I2S Courbevoie
Managing systems and network infrastructure, ensuring operational excellence and security compliance across enterprise environments.
AI Developer - Freelance
Outlier Paris
Developing AI solutions and machine learning models for various client projects, focusing on innovation and cutting-edge technologies.
Systems & Network Administrator
Louvre Hotels Group - La Défense
Deploying and securing Windows workstations (GPO, MFA), strengthening cybersecurity for 50+ sites. Migrating PoS systems for multiple hotels with 0 major interruption. International support via ServiceNow, improving first-contact resolution rate by 20%.
IT & Telephony Expert - Freelance
Ibbü, Boulanger, Otterbox Paris
Technical consulting on IT infrastructure and telecom solutions. Consumer tech hardware expertise and customer support.
Double Master - Cybersecurity & Cloud / IT Governance
IPSSI / Ynov Serris
Specialized in Cybersecurity, Cloud Computing, IT Systems Governance, and Management. Research on post-quantum cryptography for quantum-resistant cloud security.
Bachelor's in Mathematics & Computer Science
Gustave Eiffel University
Strong foundation in mathematics, algorithms, and computer science fundamentals.
TalENS Tutoring - PESU Program
École Normale Supérieure (ENS) Paris
Participated in experimental sciences, digital technologies, and society studies program.
Skills & Technologies
A comprehensive toolkit built through hands-on experience in DevOps, cloud infrastructure, cybersecurity, and software development.
Programming Languages
Virtualization & Orchestration
Cloud & IaC
Monitoring & Observability
Databases
Security & DevSecOps
Project Management
Services
What I can help you build.
Full-Stack Development
Web applications with Python, Java, C, PHP, HTML/CSS, React, Next.js.
Cybersecurity & DevSecOps
Pentesting (6745 pts Root-Me), security audits, SoC & SIEM, OWASP, hardening, IAM, Zero Trust.
Cloud & DevOps
AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible, Jenkins, CI/CD pipelines.
Monitoring & Observability
ELK Stack (Elasticsearch, Kibana, Logstash), Grafana, Prometheus, PromQL.
Systems & Network Administration
Linux/Windows/MacOS, Proxmox, LXC, infrastructure automation, ServiceNow.