Platform Architect Network & Security

In4Matic; Brussel; On-site; EUR 90,000 - 130,000; Full time

Job summary

In4Matic seeks a Senior Network & Security Architect to shape its network and security infrastructure. You will blend architectural leadership with hands-on delivery to advance technology, strengthen resilience, and ensure compliance with enterprise standards and regulatory requirements, including NIS2 initiatives.

You will define roadmaps, lead architecture reviews, produce designs and guidelines, and collaborate with engineers, governance teams, and project managers.

Qualifications

• Requires extensive experience in senior network and security architecture roles.
• Expertise across network technologies (ACI, routing, switching, MPLS, Wi‑Fi) and security solutions (firewalls, WAF, VPN).
• Proficient in regulatory/compliance initiatives (NIS2) and architecture governance.

Responsibilities

• Define and maintain technology roadmaps, reference architectures, standards, and design principles for network and security platforms.
• Evaluate emerging technologies and translate strategic objectives into architecture guidelines.
• Lead architecture reviews, validate designs, and guide solution architects, PMs, engineers, and operations teams.
• Contribute to strategic projects and regulatory initiatives (NIS2), ensuring security, resilience, and risk management compliance.
• Produce and maintain architecture documentation, including high‑level and low‑level designs, technical standards, and implementation guidelines.
• Identify dependencies, risks, and cross‑functional impacts, supporting build and run teams in complex decisions.
• Promote knowledge sharing, facilitate architecture review sessions, and support professional development of network and security engineers.

Skills

Senior network & security architecture

ACI

ExpressRoute

Automation

HSRP/VRRP

MPLS

Wi-Fi

Firewall (Palo Alto)

Web Application Firewall (WAF)

Netskope

Scripting

Technical leadership

Project management

Dutch or French + English

Job description

We're looking for an experienced Senior Network & Security Architect to join our client's team and help shape the future of its network and security infrastructure. In this strategic role, you'll combine architectural expertise, technical leadership, and hands‑on project involvement to drive technology evolution, strengthen security and resilience, and ensure alignment with enterprise standards and regulatory requirements.

Your Responsibilities

• Define and maintain technology roadmaps, reference architectures, standards, and design principles for network and security platforms.
• Evaluate emerging technologies, identify opportunities to simplify and optimize the infrastructure landscape, and translate strategic objectives into actionable architecture guidelines.
• Lead architecture reviews, validate technical designs, and provide guidance to solution architects, project managers, engineers, and operational teams.
• Contribute to strategic projects and regulatory initiatives, including NIS2-related activities, while ensuring compliance with security, resilience, and risk management requirements.
• Produce and maintain architecture documentation, including high‑level and low‑level designs, technical standards, and implementation guidelines.
• Identify technical dependencies, risks, and cross-functional impacts, while supporting build and run teams in complex technical decisions.
• Promote knowledge sharing, facilitate architecture review sessions, and support the professional development of network and security engineers.

The Ideal Candidate

• Several years of experience in a senior network and security architecture role, combining strategic vision with strong technical expertise.
• In-depth knowledge of network technologies, including ACI, ExpressRoute, automation, HSRP/VRRP, IP routing, MPLS, switching, Wi‑Fi, and firewall solutions.
• Advanced expertise in AlgoSec, load balancing, proxy technologies, VPN, and Web Application Firewall (WAF), with experience in Netskope.
• Intermediate scripting skills and the ability to translate complex technical requirements into scalable, secure architecture solutions.
• Proven experience in technical leadership, project management, and collaboration with architects, engineers, and governance stakeholders.
• Experience with Palo Alto firewalls, AI applications in network security, or public sector environments is considered an asset.
• Fluent in either Dutch or French, with professional working proficiency in English.

Practical Information

This assignment requires on-site presence three days per week. Occasional on-site activities during evenings, nights, or weekends may also be required, depending on operational and project needs.

Contactperson & Reference

• Reference #: INW28436
• Marilyn Weytens
• [e-mail]