Senior Red Teamer

Are you already experienced in the world of security and would you like to develop yourself technically and in your career? At NVISO you have the opportunity and we look forward to getting to know you!

Who are we?

It all starts with the mission: NVISO is here to protect European society from potentially devastating cyber attacks! This means we offer cyber security services to private and governmental organizations to help them better prepare for, prevent, detect and respond to cyber security incidents.

All of this is built on four fundamental values that define who we are: We are Proud, We Break Barriers, We Care and No BS! 

What will you do?

You have a strong interest in cyber security and believe the following to be applicable to you?

As a Senior Red Teamer located in Belgium, you will be focusing on those tasks:

  • Execute target-driven engagements, ranging from non-stealth red teams to red/purple teaming and even full-fledged TIBER/TLPT exercises;
  • Bring these engagements to fruition, from reconnaissance to action on objectives by emulating tactics, techniques, and procedures across the (Unified) Kill Chain;
  • Help clients in different sectors improve their security posture in terms of prevention, detection, and response by providing tailored recommendations;
  • Fuse technical and non-technical skills to communicate with stakeholders on different levels;
  • Perform research and development to continuously improve our tradecraft and methodology;
  • Get to craft payloads, execute phishing attacks, conduct physical breaches or social engineering, compromise critical systems and services in production environments.


  • At least 3 years of relevant red teaming experience;
  • Hold the CRTO, CRTE, CRTP, OSCP certification or equivalent;
  • You are eligible for a NATO clearance. (see HERE for more information);
  • Fluent English communication skills, both verbal and written;
  • Experience with tools like Burp Suite Pro, sqlmap, Nessus, Kali Linux and Exploitation Tools like Metasploit and Veil is desirable;
  • Experience with TIBER-frameworks is desirable.

Soft skills

  • Being able to work independently, keep track of your priorities;
  • Strong interpersonal and verbal/written communications skills that enable the ability to work; effectively in a collaborative team environment across the entire company;
  • Positive, team and mission-oriented attitude;
  • Ability to prepare and present your work to your colleagues;
  • Team player who works well under the occasional moments of pressure.

What do we offer

At NVISO, we care. We are committed to offering you a highly competitive remuneration package including financial and non-financial components:

  • A training budget of 10.000€ and 10 days every 2 years;
  • Company car and Belgian fuel card;
  • Working and learning from the best people in the European cyber security industry. We have multiple SANS Instructors working at NVISO, our staff has presented at popular hacking conferences (BlackHat, BruCON, OWASP, etc) and all of our technical staff can acquire deep technical security certifications (GSE, GXPN, GREM, GCFA, OSCP, etc);
  • An entrepreneurial and agile working environment, where you will be challenged, stimulated and supported in driving new initiatives (either through internal innovation or by improving our service offering), without losing sight of having fun!
  • Regular team-building and fun events with legendary off-site events once a year. The location of the next team building is one of the most closely guarded secrets at NVISO… We can however disclose that we’ve visited Lisbon, Dubai, Malta and Lapland over the past few years;
  • Our commitment to coach and counsel you and help you grow; each employee receives a personal coach within the team, whose role is to ensure your well-being and helps you grow in your career!
  • Flexible working hours, working from home and even the possibility to work from abroad;
  • Flex Income Plan;
  • 32 paid leave days.



Wir helfen

Am Euro Platz 2
 (Euro Plaza 4) 
1120 Wien+43 1 717 28 466
Holzgraben 5 60313 Frankfurt am Main Machtlfinger Str. 21 81379 München +49 69 9675 8554
Feidiou 9 10678 Athen+30 211 955 7637
Rue Guimard 8 1000 Brüssel +32 2 318 58 31