Freelancer profile translated to English.
Back to original languageAbout Réda
🌐🚀 Passionate network and security engineer, with in-depth expertise in designing, deploying, and optimizing network infrastructures. My technical skills, combined with my passion for technology and continuous learning, allow me to stay up-to-date with the latest advancements in network systems and security.
Skills and specializations:
• Network architecture and security: Proficient in designing secure, scalable, and high-performance network solutions, tailored to business and security needs.
• Project work: Experience in managing and executing complex IT infrastructure projects, from planning and design to successful implementation, ensuring deadlines are met.
• Cisco CCNA Certified.
💼 My areas of expertise:
Network & Systems Security
• Firewalls, Proxies, IPS/IDS, DDoS Protection.
• Attack prevention (Brute-force, MITM...).
• OS and service hardening.
• Security audits (methodology, tools, recommendations).
Networks & Protocols
• TCP/IP, Infrastructure Implementation, Cisco Routing and Switching, VLAN, STP/RSTP, OSPF, RIP.
• NAT, SSL/IPSec VPN, ACL, NAC, DMZ.
• Design of secure LAN/WAN network architectures.
Automation & DevOps
• Ansible, PowerShell, Bash, Python.
• Industrialization of tasks and deployments.
Virtualization & Systems
• VMware vSphere, Microsoft Hyper-V.
• Windows Server, Linux RedHat/Debian, Active Directory, DNS/DHCP.
• DR/BCP, backup.
---
I am available for short or longer-term assignments, fully remote according to your needs.
Let's discuss your projects together!
French
Native or bilingual
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- FREELANCENetwork and Security EngineerTELECOMMUNICATIONSOctober 2019 - Today (6 years and 7 months)Paris, France• Network integration (TCP/IP, Routing & Switching, QoS, etc.).• System integration (RedHat, Ubuntu, Linux, Windows).• Security (Firewall, Proxy, DDOS, Brute-Force, Hardening, Audit, etc.).• Automation (Ansible, PowerShell / Bash Scripting).• Virtualization (VMware vSphere, Microsoft Hyper-V).• Implementation of redundancy strategies and backup solutions.• Web server hosting (Wordpress, CMS, migration, database, domain name, DNS, etc.).• IT maintenance and outsourcing.
- ZraftedSystems ConsultantENVIRONMENTALAugust 2025 - October 2025 (2 months)Mississauga, CanadaService for the client Terrapure Environmental• Administration and operational maintenance (MCO) of Windows Server and client workstation environments, level 2/3 support.• Management and optimization of Active Directory (AD) and Azure AD / Entra ID directory services, including hybrid synchronization, RBAC delegation, and conditional access configuration.• Administration of Microsoft 365 environments, identity and access management (IAM), implementation of security policies, and advanced configuration of collaborative services.• User support for remote access and network connectivity, including Cisco AnyConnect VPN, troubleshooting connection problems and authentication errors.• Monitoring of system performance, availability, and security through monitoring and alerting tools.• Collaboration with infrastructure, network, and security teams to ensure service continuity (DRP/BCP), reduce incidents, and improve IT system resilience.
- ANTEMETAInfrastructure EngineerTELECOMMUNICATIONSSeptember 2023 - Today (2 years and 9 months)Guyancourt, France• Design, configuration, and automated deployment of HPE and Dell physical servers with Ansible, integration into large-scale client environments.• Design and integration of VMware vSphere / ESXi and Microsoft Hyper-V infrastructures interconnected with private and hybrid clouds, ensuring high availability (HA) and optimal performance.• Expertise in VMware (HA, DRS, vMotion, Fault Tolerance) and Hyper-V cluster architecture and administration, with continuous optimization of virtualized environments.• Implementation of high-performance storage solutions (PureStorage, NetApp), advanced configuration (LUNs, Fibre Channel zoning), and optimization for virtualized environments.• Automation and deployment of infrastructures via Ansible, Bash, and PowerShell scripts, improving operational efficiency and reducing manual interventions.• Design and deployment of LAN/WAN network infrastructures with Cisco, Juniper, HPE/Aruba, including VLAN, NAT, PAT, DHCP, DNS, VPN, and SD-WAN, ensuring performance and resilience.• Integration and security of networks with Fortinet (FortiGate) firewalls, advanced configuration, and security policy management.• Writing and updating DAT (Technical Architecture Documentation), DMEX (Exploitation Change Documentation), operational procedures, runbooks, and infrastructure diagrams, ensuring system maintainability and durability.
Reviews
Recommendations
Be the first to recommend Réda
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master Networks and Security ManagerENSITECH2025Expert in IT and Information Systems
- Bachelor Networks, Security and SystemsENSITECH2023Secure Infrastructure Administrator
Certifications
- Cisco Certified Network Associate (CCNA)Cisco