Introduction

Brunel is currently looking for an experienced F5 Network & Security Engineer for a project in Schaarbeek.

Do you have strong hands-on experience with F5 BIG-IP solutions and enjoy improving application availability, security, and traffic management? Then you might be the consultant we are looking for!

What are you going to do 

As an F5 Network & Security Engineer, you will be responsible for designing, implementing, maintaining, and optimizing F5-based services. You will work closely with technical stakeholders to ensure reliable, secure, and high-performing application delivery services across the infrastructure.

  • Design and implement F5 BIG-IP solutions for application delivery and traffic management
  • Manage virtual servers, pools, nodes, monitors, iRules, SSL profiles, and traffic policies
  • Administer SSL/TLS certificates, encryption settings, traffic inspection, and reporting
  • Support Web Application Firewall (WAF) implementations and policy management
  • Integrate authentication and access management solutions using F5 APM
  • Perform performance tuning, capacity planning, and service optimization
  • Support incident, problem, and change management activities
  • Execute software upgrades, security patching, and lifecycle management
  • Troubleshoot connectivity, availability, and application delivery issues
  • Create technical documentation and contribute to knowledge sharing

Participation in operational support activities may be required depending on business needs.

You'll work 2-3 days on-site in Schaarbeek, the remaining days working remotely.

Essential skills and knowledge

You have a solid background in enterprise networking and security environments, combined with proven experience designing and managing F5 solutions.

  • Advanced experience with F5 BIG-IP platforms
  • Strong knowledge of load balancing and high-availability architectures
  • Hands-on experience with SSL/TLS, certificate management, and encryption technologies
  • Excellent understanding of IP networking within data center and multi-site environments
  • Good knowledge of network security concepts and firewall technologies
  • Experience with troubleshooting, performance optimization, and lifecycle management

Fluent in Dutch, French, and English.

What we offer 

At Brunel, you get more than just challenging projects. We make sure you feel valued from day one with a structured onboarding program, regular events to help you integrate quickly, and a personalized development plan to support your growth.

In addition, we offer an attractive and comprehensive salary package, including a company car, 13th month, annual bonus, monthly net allowance, meal and eco vouchers, a mobile phone subscription, hospitalization and group insurance, and 32 vacation days.

Freelancers, we offer a competitive rate.

Closing: 02 September 2026

Apply Now

Are you the perfect match for this vacancy? Apply in 5 minutes and let's get in touch!

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Process of your application

Application process & contact

We will now begin examining your application: We will take a close look at your application documents and ask you for additional information if necessary. If your qualifications match our requirements, we will invite you to meet us for the first time.

Project discussion with our customer

If the introductory meeting goes well for you and us, we will arrange a meeting with the customer who has the perfect project for you. This gives you the opportunity to find out more about the customer and the project.

The decision

If you enjoyed the project discussion and the customer is also convinced of your expertise, we will ask you the final and decisive question: Do you want to get started at Brunel?

Introductory conversation with Brunel

In an introductory meeting, we would like to find out more about your interests, ambitions and professional developments. At the same time, we report on working at Brunel and provide information about all career opportunities and prospects.

Welcome to Brunel

Now great times are beginning! With Brunel you have countless opportunities to help shape technological progress. You decide how your career path goes. We support you in every phase of your career. You always have security behind you: Brunel!