Networking & Security Engineer

In4Matic; Oost-Vlaanderen; On-site; EUR 60,000 - 90,000; Full time

Job summary

In4Matic is seeking an experienced Network & Security Engineer to join our technical team in Belgium. You will manage and optimize network infrastructures while leading security initiatives across firewalls, VPNs and hybrid cloud environments.

The role emphasizes hands-on networking, incident resolution and automation, with collaboration across engineers and architects to deliver robust IT solutions. Dutch and English fluency are required, French is a plus.

Qualifications

• Several years of professional experience in Network Engineering or Network Security.
• Hands-on experience with Cisco, Aruba, Fortinet, Juniper, SD-WAN and wireless networking.
• Solid knowledge of FortiGate, Check Point, VPN, Zero Trust, NAC and security monitoring.
• Familiarity with cloud/hybrid networking, preferably Azure or Cloudflare.
• Experience with or interest in PowerShell, scripting and diagnostic tools like Wireshark.
• Strong analytical and troubleshooting skills with root-cause focus.
• Structured, proactive approach to problem-solving, documentation and knowledge sharing.
• Strong communication skills and team collaboration.
• Languages: Dutch and English (professional). French is a plus.

Responsibilities

• Network & Security Management: Maintain and optimize network infrastructures with security, availability and performance in mind.
• Design & Implementation: Develop modern networking and security solutions including firewalls, SD-WAN, VPN and wireless networks.
• Incident & Problem Resolution: Troubleshoot incidents, perform root cause analyses and implement sustainable fixes.
• Cloud & Hybrid Networking: Support cloud integration and on-premises network environments.
• Automation & Optimization: Identify opportunities to automate recurring tasks via scripting.
• Technical Collaboration: Work with engineers, consultants and architects to address challenges.
• Knowledge Sharing: Document technical work and share best practices with the team.

Skills

Network engineering

Network security

Fortinet

VPN

SD-WAN

PowerShell

Scripting

Wireshark

Troubleshooting

Cloud & hybrid networking

Azure

Tools

Cisco

Aruba

Fortinet

Juniper

SD-WAN

Job description

We're looking for an experienced Network & Security Engineer to join our client's technical team. In this role, you'll combine hands-on network management with challenging security projects, helping organizations build, maintain and optimize secure, reliable IT infrastructures.

You'll work on everything from complex firewall configurations and network troubleshooting to modern network architectures, hybrid cloud connectivity and automation. This is an opportunity for someone who enjoys solving technical challenges, taking ownership and continuously improving IT environments.

Key Responsibilities

• Network & Security Management: Manage, maintain and optimize network infrastructures, ensuring security, availability and performance.
• Design & Implementation: Design and implement modern networking and security solutions, including firewalls, SD-WAN, VPN and wireless networks.
• Incident & Problem Resolution: Troubleshoot complex network and security incidents, perform root cause analyses and implement sustainable solutions.
• Cloud & Hybrid Networking: Support the integration and optimization of cloud and on-premises network environments.
• Automation & Optimization: Identify opportunities to automate recurring tasks, streamline operations and improve efficiency through scripting.
• Technical Collaboration: Work closely with engineers, consultants and architects to address technical challenges and deliver effective solutions.
• Knowledge Sharing: Maintain technical documentation, share best practices and contribute to the team's technical expertise.

Your Profile

• Several years of professional experience in Network Engineering, Network Security or a similar infrastructure role.
• Hands-on experience with networking technologies such as Cisco, Aruba, Fortinet, Juniper, SD-WAN and wireless networking.
• Solid knowledge of security technologies, including FortiGate, Check Point, VPN, Zero Trust, Network Access Control (NAC) and security monitoring.
• Familiarity with cloud and hybrid networking, preferably involving Microsoft Azure or Cloudflare.
• Experience with or a strong interest in PowerShell, scripting, automation and diagnostic tools such as Wireshark.
• Strong analytical and troubleshooting skills, with the ability to identify root causes rather than relying on temporary fixes.
• A structured, proactive approach to technical problem-solving, documentation and knowledge sharing.
• Strong communication skills and the ability to collaborate with technical colleagues and stakeholders.
• Languages: Professional proficiency in Dutch and English is required. Knowledge of French is an advantage.

Working Environment

You'll join a collaborative, technology-driven environment where technical expertise, autonomy and continuous improvement are highly valued. Our client offers the opportunity to work on diverse network and security challenges, supported by experienced engineers, consultants and architects.

You'll have the freedom to take ownership of technical solutions, contribute ideas and expand your expertise across networking, cybersecurity, cloud technologies and automation.

Contactperson & Reference

• Reference #: INR28341
• Isa Fars
• [e-mail]