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Network Engineer - F5 iRules specialist

At Proximus SpearIT, we do everything to enable companies to work smarter, safer and faster. Customers come to us for our wide and extensive offering of IT services. Due to our strong growth, we are always looking for new employees.

Proximus SpearIT strengths:

  • Infrastructure projects and integrations, on-site and in the cloud;
  • Services related to networks, security, Skype for Business, storage, network and server maintenance, monitoring, service desk, and on-site support;
  • Support by IT specialists, project managers and interim managers;
  • Sale of servers, network equipment, smartphones, tablets, PCs and accessories.

What do we expect from you?

The function consists primarily of architecture, engineering and operational support tasks related to network and security aspects and secondary in telephony. Thanks to your thorough technical knowledge of IP, network protocols, security infrastructure and their market evolutions, you contribute to the complete management of the existing environments, and to the life cycle and technological evolution thereof.

Your duties include:

  • project-based installation, configuration and integration of network and voice infrastructure components according to agreed or newly to be established architecture.
  • The candidate that we are looking for has experience writing javascript code (node.js, iRules) on F5. The person in question must be interested in writing / maintaining an important part of his time code and revising it on F5.


  • You are trilingual Dutch-French-English
  • You have at least a master's degree or equivalent through experience.
  • You have a strong affinity with network security
  • knowledge of load balancing and F5 big-IP: APM, LTM, ASM is an advantage
  • Extensive technical knowledge of networking (LAN switching, routing, MPLS, dark fiber, firewalls, Radius, NAC, SSL / VPN, load balancing, SIEM ...) is required.

Your Working Place


What do we offer?

At Proximus SpearIT, you can take your career in many directions. You will be among the first to explore new technologies and can constantly update your skills in our ICT Academy. Our working culture is that of an SME: we say it like it is and never shy away from a challenge.

Since we form part of the Proximus Group, you also benefit from the advantages and security of a large company. You can expect an attractive salary and an extensive package of fringe benefits.

Eager to take the plunge?

Don’t hesitate: quickly send us your motivation letter and CV using the button below.

If you have any questions about the job, feel free to call Anis Ajari on 0488 29 59 91.


Proximus SpearIT – 38 Ferdinand Allenstraat – 3290 Diest

Apply now!