? Freelance Opportunity - F5 / Palo Alto Network Security Specialist – Brussels

For one of our clients in Brussels, we are looking for an experienced F5 / Palo Alto Network Security Specialist to join a critical and business-essential biometric ICT project.

You will work within a multidisciplinary team of internal and external experts and contribute to an infrastructure that operates 24/7 and is used by thousands of field users.

? Your responsibilities

- Monitor and ensure the correct implementation of security policies.
- Implement and manage the ABIS, F5 and Palo Alto infrastructure.
- Follow up on infrastructure changes and perform troubleshooting when required.
- Handle and resolve technical tickets related to the project.
- Contribute effectively to crisis and security incident situations, including organized attacks, network intrusions and virus detection.
- Recommend technical solutions to secure connections with external partners, the intranet and the internet.
- Produce clear technical documentation and reports.

?️ Your technical expertise

Required:

- F5 BIG-IP – LTM, APM & ASM/AWAF – Confirmed
- Palo Alto firewalls – Confirmed
- TCP/IP
- HTTP / HTTPS
- SSL
- SNMP





Experience with monitoring and log correlation tools:

- Splunk
- Nessus
- ELK

? Your profile

- Strong communication skills, both written and verbal.
- Able to work independently and take initiative.
- Adaptable and comfortable working in changing environments.
- Strong team player with a collaborative mindset.
- Methodical and structured approach to work.
- Able to document technical work clearly through reports and documentation.
- Creative, constructive and solution-oriented.
- Customer-oriented mindset.

? Languages

- French or Dutch + English
- Good knowledge of technical English is essential.
- Knowledge of the second Belgian national language (French/Dutch) is a strong plus.

? Practical information

- Location: Brussels, Belgium
- Start date: ASAP
- Duration: Until 31 December 2026, with possibility of extension into 2027
- Work arrangement: Minimum 2 days per week on-site, depending on the activities and in agreement with the team
- Remote work possible from home or the employer's premises in Belgium
- Team: Multidisciplinary team combining internal and external specialists

📌 / palo alto network security specialist (España)
🏢 Fujitsu
📍 España