Maximize your impact

About the Challenge

Telenet Business is known for their ability to deliver high quality engineering work on complex information security applications and internetworking projects. Therefore, they are a preferred partner for important (inter-)national organizations that need quality information security services.

Engineers within the security support team are the technical point of contact for customers with regard to the day-to-day management of their security infrastructure. Tasks include incident and change management of security infrastructure, incident solving, collaboration with the international support of security vendors, implementing operational changes, advising customers and documenting actions and communications.

As a Security Engineer at Telenet, you gradually acquire in-depth knowledge and experience in various IT areas through a combination of on-the-job training, coaching by our consultants and self-study. You’ll also receive the necessary support to achieve the certifications required for this position.


Your skills

  • Master’s or bachelor’s degree with a specialization in computer science, electronics, telecommunications or mathematics.
  • Great interest in security and informed of TCP/IP networks, UNIX and Windows server systems, security technology (firewalls, proxies, authentication servers and IDS)
  • Knowledge of Check Point is an advantage
  • Teamplayer, customer-oriented, good communicator
  • Eager to learn, flexible
  • Good analytical and problem solving skills
  • Very good knowledge of English, Dutch and ideally French

Our offer

Exellys isn’t your typical recruiting or consulting agency, we are truly a category of one. We coach young tech talent and prime them for the professional world. After two years of receiving coaching and upskilling from Exellys, you’ll have the opportunity to work directly for a client that suits your skill set and interest. Think of us as your personal career coach.

Here’s what you can expect from us:

  • Do meaningful work. When you join us, you’ll work on purposeful projects that push the envelope of technology.
  • Benefit from a personal career coach. Ongoing development and learning is a core part of our DNA, and it’ll be part of yours, too.
  • Career mobility. After two years, you’ll have the opportunity to directly work for a client and grow your professional mobility.
  • We take care of you. We provide competitive compensation, benefits and more.

Ready to take on a high-impact role at a growing company? Bring your ambition and strong work ethic to a trusted company.

Key figures

  • Over 3,400 employees
  • Head office in Mechelen
  • Founded in 1996

Company insights

More about this organisation

Under the brand names Telenet and Base, the Telenet Group focuses on offering digital television, high-speed internet and fixed and mobile telephony services. Telenet believes in the tremendous potential of digital technologies and wants to help people and businesses stay one step ahead in the digital age.They are committed to offer their customers the best connectivity, the best entertainment experience and the best business solutions, on the device of their choice, anytime, anywhere.

Next steps


  • Apply now
    We'll get back to you asap
  • Ace a phone call
    Don't worry, this won’t take long
  • Convince us
    You can expect up to 2 rounds of interviews
  • Show your skills
    A series of technical tests based on your expertise
  • Sign the contract
    Welcome and congratulations!

Go for gold. Be excellent

Maximize your impact. Get in touch.

Astrid Roest