Required skills
- Network Architecture
- Telecommunication
- Network Security
- Arista EOS
- Cisco
- Fortinet
- SD-WAN
- Cloud Networking
- Routing
- Switching
- Firewall
- VPN
Languages: French
Job description
Seeking a Network, Telecom & Security Architect to design, ensure consistency, and govern network and telecom architectures in a hybrid environment. The role involves elaborating architectures, designing secure and performant solutions, and advising technical teams.
Project overview
The objective of the service is to ensure the design, consistency, and governance of network and telecom architectures in a hybrid environment, combining datacenters, remote sites, cloud interconnections, and operator networks.
Design
Consulting and Support
Governance and Capitalization
Profile Sought
Technical Skills
Behavioral Skills
Work Environment
Expected Deliverables
- Develop and document network and telecom architectures for projects and products.
- Design solutions aligned with security, availability, and performance requirements.
- Ensure the consistency of new solutions with the existing architecture and standards.
- Contribute to the design of infrastructure foundations: interconnections, datacenters, LAN/WAN, cloud, VPN, SD-WAN, IP telephony, etc.
- Integrate supervision, resilience, and maintainability into technical designs.
- Support Technical Architects, System Architects, cybersecurity consultants (ISP CISO), and project managers on network and security aspects.
- Recommend technological choices based on market standards and best practices.
- Identify and manage technical risks related to interconnections and network security.
- Be proactive in technological evolutions: network segmentation, virtualization, cloud networking, SDN, automation, etc.
- Ensure technological watch and maintain up-to-date knowledge of the market (operators, manufacturers, emerging solutions).
- Participate in architecture bodies (Design Authority, architecture reviews) and cybersecurity bodies (CoSEC).
- Contribute to the updating and enrichment of the technical architecture repository for the Network & Telecom domain (standards, patterns, service catalogs).
- Contribute to the integration and adherence to the internal security policy.
- Contribute to consistency between the Network, Security, Cloud, and Infrastructure domains.
- Promote the dissemination and adoption of good architectural practices.
- Expertise in network architecture in complex and multi-site environments.
- Mastery of technologies: routing, switching, firewall, VPN, load balancer, LAN/WAN, VLAN, DMZ, SD-WAN, cloud networking.
- In-depth knowledge of solutions from major manufacturers and operators (Arista, Cisco, Fortinet, Palo Alto, F5, Huawei, etc.).
- Excellent understanding of cybersecurity applied to network architectures.
- Ability to produce quality deliverables (DAT, diagrams, technical documentation).
- Technical leadership and co-construction approach.
- Rigor, autonomy, and commitment.
- Analytical skills and ability to challenge needs.
- Excellent interpersonal and communication skills, especially in a cross-functional context with operational teams (Network and SecOps).
- Ability to work in an agile and transforming environment.
- Technical Architecture Documents (DAT) for the Network & Telecom domain.
- Instructions presented in Design Authority.
- Technical scoping notes and architecture recommendations.
- Contributions to the repository of technical standards and patterns.
- Regular reporting on progress, risks, and technical decisions.
Project details
- Start: 30/11/2026
- Duration: 1 mois renouvelable
- Remote: hybrid
- Location: Essonne, France, FR
- Languages: French
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