The Certified "Senior Usability Engineer" (Level C) has proven the breadth of his qualifications through
- the certificate as "Usability Engineer" (Level A),
- at least one of the certificates as "Specialist for User Requirements Engineering", "Specialist for Interaction and Information Design" or "Specialist for Usability Testing" (Level B),
- the certificate as a specialist in "Usability Process Management" (Level B).
- In addition, a candidate for certification must demonstrate at least two years of professional experience. The two-year period begins after obtaining the second of the two required Level B certificate degrees.