Network Security Engineer

ITProposal

Brussels, Belgium

3 days ago

Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

Dutch, English, French

Experience level

Senior

Brussels, Belgium

Private Networks

Proxy Servers

Cloud Computing Security

Complex Networks

DNS

Intrusion Detection and Prevention

Virtual Private Networks (VPN)

Network Security

Routing

Zero Trust Network Access

Terminal Access Controller Access-Control System (TACACS)

Wi-Fi Technology

Network Routers

Scripting (Bash/Python/Go/Ruby)

Load Balancing

Firewalls (Computer Science)

Routing & Switching

Design, implement, and maintain network security strategies (firewalls, VPNs, proxies, load balancers)
Configure and deploy automation solutions and create operational playbooks
Monitor networks, detect threats, and manage security incidents & vulnerabilities
Provide advanced technical support and troubleshoot complex network/security issues
Conduct security audits and performance assessments
Coach and support internal network teams
Maintain and update process documentation (incl. NIS2 compliance)

Networking & Routing: routers/switches, dynamic/static routing, ISP connectivity, ExpressRoute, Wi-Fi, DNS, TACACS
Network Security: firewalls, VPN, proxies (forward/reverse), load balancers
Cloud Security & Access: secure cloud environments, ZTNA
Incident Management: threat detection, response, vulnerability handling
Automation & Scripting: network task automation using scripting languages
Systems & Protocols: OS knowledge, security standards & cryptography

Soft Skills

Strong communication (technical & non-technical)
Problem-solving and analytical thinking
Leadership and team coaching
Adaptability and continuous learning mindset
Time and priority management
Attention to detail and documentation
Ability to work autonomously and handle stress, * Relevant certifications (e.g., Security+) - preferred
Commitment to continuous learning

Languages