We count on you and you can count on us.

As an employee, you are part of our team and can look forward to an attractive workplace, inspiring colleagues and our support for what is important for you outside of our organization.

We therefore offer the following benefits:

Environment full of trust
Positive relationships
Open minded people
Conferences and certificates
Weekly internal education
Weekend teambuilding
Free laptop or phone
Health or fitness support (200 €)
English lessons (200 €)
Office Party
Team-walk once a week
Virtual thematic team-talks
Flexible working hours
Free Fruit delivery
Home office flexibility
Personal growth support
Birthday and other surprises
Christmas surprises


Begleiten Sie uns einen Tag durch Citadelo.

Es gibt viele von uns und wir haben viel Spaß. Aber wir brauchen noch etwas ... und zwar SIE! Unsere Firma aus Entwicklern, Administratoren und Penetrationstestern sucht neue Leute.


New job offers

Marketing Geek (Content Manager)

Are you passionate about marketing? Are you a bit of a geek, a team player? Do you want to be part of something big? Join us!

Why join Citadelo?

We are a Czech-Slovak-Swiss IT security company and leaders in the domestic Cyber Security market. We're looking for someone to let the world know more about us. IT security is a fast-growing segment, the importance of which is growing both within society and in business. If you are tempted to be in the thick of it, we have a unique opportunity for you! Join us and become part of the Citadelo team.

Job overview:

We are looking for a talented Content Marketing Manager based in Prague to join our team and manage our marketing activities. You will be expected to take a hands-on approach when it comes to using social media, content creation, as well as monitoring and analysing content metrics.

Your responsibilities:

  • Content creation, including sourcing interesting stories from our Cyber Security team.
  • Writing and releasing content to relevant channels.
  • Coordinate our partnerships with relevant media partners and industry leaders.
  • Responsible for company Newsletters, including content creation and tracking.
  • Managing social media campaigns (Facebook, Twitter, & LinkedIn).
  • Enhance our Website with new content.
  • Have an interest or have some knowledge about SEO and Google Analytics.
  • Coordinate advertising and media content with various external partners.

Your experience:

  • Marketing experience, as you will be responsible for it.
  • SK, CZ, and EN (German is optional).
  • Excellent writing skills, as well as the ability to simplify complex information.
  • Professional verbal and written fluency in English.
  • Passion for Cyber Security.

We offer:

  • Flexible working hours (part-time or full-time employment 60-100%) with a young and dynamic team.
  • During the COVID 19 pandemic, work fully remote, then 1-2 days at our Prague office.
  • To enhance your skills, we can teach you SEO, analytics, and other techniques.
  • Flat hierarchy and transparent communication.
  • Opportunity to participate in various hacking conferences (Hacktivity, Confidence, CCC, etc.).
  • Friendly working environment close to Stromovka.
  • Dog-friendly office and a generally friendly working environment close to Stromovka with a family atmosphere. :)

And much more.

If you have read this far and it sounds interesting to you, send us your CV, we are looking forward to hearing from you.


Ethical Hacker / Penetration Tester

We are expanding the team in Prague and Bratislava, join us!

A unique job opportunity which is normally prohibited - come hack the world with us! Did you enjoy disassembling things and finding out how they work when you were a kid? Did you later transfer it to computers and the web? Now you can do it officially and for money - like a pentester.

The main task is to look for the weaknesses of the systems. Detect security vulnerabilities of customer systems under customer control. The goal of penetration tests is to evaluate the security of computer systems by simulating an attack.

Job description:

  • Security audits of systems and applications.
  • Usage of methodologies OWASP, OSSTMM, ISO27002 and Citadelo’s own methodologies.
  • Working with interesting clients.


  • Knowledge of web technologies up to system level (web frameworks, communications protocols, database systems, load balancing).
  • Knowledge of programming languages JavaScript, Java, PHP, C.
  • Familiarity with web vulnerabilities, principles of their abuse and protection options.
  • Experience with UNIX-like systems (Linux, Solaris, *BSD) and/or development of web applications.
  • Passion for learning new technologies (web technologies, security), constant self-learning in the area of security.
  • Professionalism, ability to work in a team.
  • English language – fluent (spoken and written), German, and Hungarian languages may be an advantage.

We offer:

  • Working in a highly-qualified team of specialists.
  • Opportunity to rise professionally, to learn and become familiar with new technologies.
  • Possibility to obtain certificates and trainings in the area of security.
  • Motivating system of valuation focused on quality and effectiveness of work.
  • Company social and sport system.
  • Flexible working hours with a young and dynamic team.
  • During the COVID 19 pandemic, work fully remote, then 1-2 days at our office.
  • Flat hierarchy and transparent communication.
  • Opportunity to participate in various hacking conferences (Hacktivity, Confidence, CCC, etc.).
  • Dog-friendly office and a generally friendly working environment with a family atmosphere. :)

Do not hesitate and write to hr@citadelo.com!