Network Security Senior Palo Alto

What you will do

You will join the network and security team of a Belgian public-sector organisation to work on critical network security infrastructure and strategic transformation projects.

Your main responsibilities include:

• Manage and administer Palo Alto firewalls: installation, configuration, and ongoing management
• Execute migration of firewalls and security policies from Forcepoint to Palo Alto Networks, including analysis, preparation, implementation, and validation
• Contribute to the definition of network security architectures
• Administer, operate, and optimise the Palo Alto infrastructure, including Panorama
• Participate in projects around network segmentation, flow security, and infrastructure hardening
• Prepare technical documentation and operational procedures
• Participate in changes within a critical production environment
• Advise on technical solutions for securing connections with external partners
• Implement solutions to address vulnerabilities

What we are looking for

Essential experience and skills:

• At least 5 years of experience in network security, with autonomy and initiative
• Installation, configuration, administration, and optimisation of Palo Alto NGFW/Panorama infrastructure
• Migration expertise: analysis, preparation, execution, and validation of firewall migrations (Forcepoint to Palo Alto)
• Network security architecture: segmentation, hardening, VPN, dynamic routing (BGP/OSPF), interoperability with F5 BIG-IP
• Advanced troubleshooting and management of critical incidents in a multi-site production environment
• Accurate documentation and collaboration with multiple technical teams (network, security, systems, operations, projects)
• Analysis of existing Forcepoint/Stonesoft rules, objects, NAT, VPN, and preparation of migration matrices
• F5 BIG-IP: LTM module and ideally ASM/AWAF, load balancing, and reverse proxy
• Strong written and verbal communication skills, with good technical communication

Desirable:

• Microsoft Azure environments
• Proxy/WAF solutions
• SOC/SecOps context

Education:

Graduate or degree in computer science, or equivalent through proven experience. Desired certifications: PCNSA, PCNSE, F5 certifications (asset), additional security certifications (asset).

Languages:

Preferably bilingual (French, Dutch) or sufficient basic knowledge of a second national language. Technical English is required.

The setting

This assignment runs from November 2026 to the end of December 2026.

The role is based in Brussels, with a hybrid working arrangement (remote work possible up to three days per week).

You will work at SFIA level 4 (Enable), a senior technical profile, reporting to the network and security team lead. You will collaborate closely with the systems, operations, and project teams.

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we'll work together to find your next assignment.

Location: Brussels, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): October 7, 2026 at 2:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 6-10 years or more

Education: Bachelor's or more

Published: October 2026