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Jr Security Engineer

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?

As a  member of the project implementation team you will be in charge of Integrated Management of the customers’ network.
 The Network consists of:

  • The LAN covers several buildings
  • The connections between these buildings
  • Secure connections with the outside world. It also includes the connections that enable teleworking.

 The scope of services extends to the:

  • ITIL Design phase
  • ITIL Transition phase
  • ITIL operation

 A large team of is working permanently on-site (Brussels and Luxembourg).

Job description:

  • Participate to projects to make the network security evolve (Design & construction of new technologies and security equipment to support the security evolution)
  • Participate to project and deployment of new security architecture.
  • Testing of new configuration, equipment and releases
  • Reporting on network/security usage and performance
  • Develop and maintain a high standard of documentation (procedure, process)
  • Participate to security project in several domains such as: 
    • Firewall
    • Remote Access (IPSEC/SSLVPN)
    • Strong Authentication
    • Proxy/Reverse Proxies
    • F5 LoadBalancing
    • Web Application Firewall


  • Customer and Quality focus
  • Sense for pro-activity
  • Ability to understand complex technical situations
  • Ability to provide recommendations
  • Team-spirit


  • You have xcellent written and verbal communication (French and English).
  • You have development skills (perl, rails, python)
  • You have the technical knowledge regarding:
    • Internet technologies: DNS, HTTP, XML, SSL, TCP, UDP.
    • Checkpoint and Juniper firewalls
    • Bluecoat SGOS 5.X and 6.X
    • Linux (Debian, RedHat, Centos)

Your working Place

  • Provision of the above mentioned services basically in Luxembourg, with a possibility to work in Brussels about 1 day per month.
  • Project Business hours: 8H-18H => being able to sometimes start at 7AM and being able to sometimes end at 7PM for project deployment reasons.
  • Occasional interventions outside of normal working hours may be requested

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 Bas Geysen on 0477 603 202.


Proximus SpearIT – 38 Ferdinand Allenstraat – 3290 Diest

Apply now!

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