Network & Security Architect freelance hybrid Ile de France

Comgent; Paris; Sur place; EUR 70 000 - 90 000; Plein temps

Résumé du poste

A prominent technology company is seeking a Network & Security Architect to design and govern network architectures in a complex hybrid environment. Key responsibilities include designing end-to-end network solutions, ensuring security compliance, and providing expert guidance to project teams. Preferred candidates will have proven experience in multi-site enterprise settings, strong expertise in cloud and network technologies, and excellent documentation skills. The position offers full-time employment in Paris.

Qualifications

• Proven experience as Network & Security Architect in large multi-site enterprise environments.
• Strong expertise in routing, switching, firewalling, VPN, SD-WAN, VLANs, load balancing and hybrid/cloud connectivity.
• Solid network cybersecurity background and excellent documentation skills.

Responsabilités

• Design and document network/telecom architectures.
• Provide expert guidance to technical and project teams.
• Drive standardization and automation of network solutions.

Connaissances

Network Architect

Security Architect

SD-WAN

Secure SD-WAN

DMZ

Cloud Networking

Hybrid Infrastructure

LAN

WAN

VPN

Outils

Cisco

Arista

Fortinet

Palo Alto

F5

TOGAF

Jira

Confluence

Description du poste

Overview

Looking for a Network & Security Architect to design, evolve and govern network architectures across a large hybrid environment (datacenters, 3500 remote sites, cloud, telecom operators). The role is central to ensuring consistency, security, performance and modernization of the network and security foundation.

Key Responsibilities

• Design and document end-to-end network / telecom architectures: LAN / WAN, VPN, SD-WAN, cloud networking, DMZ, IP telephony.
• Ensure alignment with internal standards and security availability and resilience requirements.
• Provide expert guidance to technical and project teams on technology choices, risks and migration strategies.
• Drive standardization, automation and industrialization of network solutions.
• Participate in Architecture Boards / Design Authority and maintain the technical reference repository.

Main Deliverables

• Architecture documents (DAT / HLD / LLD).
• Technical recommendations and decision notes.
• Design Authority presentations.
• Risk and progress reporting.

Short-Term Priorities

Produce a Secure SD-WAN RFP for 3500 sites. Finalize the DMZ / exposure network architecture after deployment of a new intranet fabric.

Requirements

Must-Have Skills & Experience :

• Proven experience as Network & Security Architect in large multi-site enterprise environments.
• Strong expertise in routing, switching, firewalling, VPN, SD-WAN, VLANs, load balancing and hybrid / cloud connectivity.
• Solid network cybersecurity background (segmentation, DMZ design, secure access, resilience).
• Excellent architecture documentation and communication skills.

Vendor knowledge : Cisco, Arista, Fortinet, Palo Alto, F5 (or equivalent).

Nice-to-Have / Tools :

• TOGAF, ArchiMate, SAFe, LeanIX.
• Jira / Confluence (or Visio).

Soft Skills :

• Technical leadership, autonomy, rigor.
• Strong stakeholder management and cross-team communication.
• Ability to run workshops with vendors and internal engineering teams.

Required Skills : Network Architect, Security Architect, SD-WAN, Secure SD-WAN, DMZ, Cloud Networking, Hybrid Infrastructure, LAN, WAN, VPN, Firewall, Cisco, Arista, Fortinet, Palo Alto, F5, Retail, Multi-site, Datacenter, Design Authority, HLD, LLD, DAT, SASE, ZTNA, Segmentation.

Employment Type

Full Time

Experience

years

Vacancy

1