Freelancer profile translated to English.
Back to original languageAbout Abdelkarim
With dual expertise in cybersecurity and systems administration, I contribute to the design, security, and optimization of IT infrastructures.
After 4 years of experience in GRC, particularly in security policies, risk management, and regulatory compliance (ISO 27001, RGS, PASSI), I chose to focus on systems administration with a particular interest in Linux environments, automation, and virtualization.
I have led technical projects, including the secure deployment of collaboration and storage solutions on embedded hardware, as well as the implementation of an enterprise infrastructure under Proxmox VE.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Can work on-site
Massy (up to 50km)
Experience
- ArlyesSystems AdministratorTELECOMMUNICATIONSOctober 2024 - Today (1 year and 8 months)Massy, France- Setup of a Proxmox VE hypervisor.- Creation and management of virtual machines (KVM) and containers (LXC, Docker).- Deployment of services: web server (NGINX), database (MariaDB), DNS server (Bind9), NAS (TrueNAS), and Gitea.- Network configuration: bridge, firewall, NAT, DNS, internal VLANs.- Implementation of snapshots, backups.- Load monitoring via Grafana and Prometheus.- Security management (SSH access, fail2ban, TLS certificates)- Use of automation tools: Bash scripts, first steps with Ansible
- SFR BusinessCybersecurity ConsultantTELECOMMUNICATIONSSeptember 2018 - April 2022 (3 years and 7 months)Les Ulis, France- Cybersecurity maturity assessment.- Organizational & physical audit of an internal department.- Risk assessment.- Drafting of Security Assurance Plans and support in responding to tenders.- Support for compliance with legal and regulatory frameworks.- Contribution to building a PASSI-qualified IS and maintaining the IS's Security Condition.- Participation in the renewal of SFR's ISO27001 certification over an expanded scope.- Support for ISO27001 & HDS compliance of a Data Center.- Monitoring contractual security requirements with external clients as Operational Security Manager.
- SFR BusinessISO27001 Certification Renewal (Master 2 Internship)TELECOMMUNICATIONSJanuary 2018 - July 2018 (6 months)Les Ulis, France- Document review- Support for risk analysis on a part of the ISMS scope
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Education
- Bachelor's Degree, Systems & Networks Administrator DiplomaOpenClassrooms2023Licence, Diplôme Administrateur Systèmes & Réseaux
- Master's Degree, Information Systems Risk ManagementUniversity of Poitiers: Institute of Industrial, Insurance, and Financial Risks (IRIAF)2018Master, Management des Risques des Systèmes d'Information
Certifications
- Red Hat System Administration I (RH124)Red Hat Training and Certification2023
- Red Hat System Administration II (RH134)Red Hat Training and Certification2023