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      S21sec

      Part of Thales

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      S21sec reviews

      Good pay - CyberSecurity Engineer S21sec Employee Review

      4.0
      11 May 2025
      Cybersecurity engineer
      Recommend
      CEO approval
      Business outlook

      Pros

      Good working environment, good colleagues and in general a very pleasant atmosphere.

      Cons

      Few interesting customers in spain in terms of technology stack and few growth opportunities.

      Explore other reviews about S21sec

      3.0
      9 Jan 2015
      Anonymous employee
      Recommend
      CEO approval
      Business outlook

      Pros

      Great company for internships. Good R&D department. Very good atmosphere. Great people

      Cons

      A little disorganized and difficult to grow

      1
      4.0
      4 Feb 2026
      Penetration tester
      Recommend
      CEO approval
      Business outlook

      Pros

      Good team, flexible work time

      Cons

      Wage is not u to industry

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