discrimination in hiring can be described in terms of vices instead of virtues. A manager who engages in discrimination in hiring might be described in terms of character traits such as self-centered, selfish, biased, intolerant, bigoted, unfair, racist, sexist, and so on - these are vices, not virtues. Therefore, it is unethical to engage in discrimination.
Since all five moral principles in the framework can be argued to come to the same conclusion, it can therefore be argued that to engage in discrimination in hiring is unethical.