A recruiting system for use in determining suitability of at least one recruitment candidate for at least one job position, or suitability of at least one job position for at least one recruitment candidate, the system including at least one server configured to: access rule data representing: one or more rules associated with the position, at least one rule value for each rule, and one or more model attributes for each rule, the model attributes being associated with a model candidate for the position; access candidate data representing a candidate profile with one or more candidate attributes of the recruitment candidate; determine matching ones of the rules based on whether the candidate attributes match the model attributes of each rule; and generate data representing a matching metric value, representing the suitability of the recruitment candidate for the position, based on the rule values that correspond to the matching rules.