Departmental procedures for new employee success must be clearly documented and transparent. That documentation must be reflective of a process of equity and inclusion for all employees so as to enable success for the entire unit.
Continuously review the promotion and tenure guidelines to eliminate biases against certain areas of research. For example, do a set of favored journals narrow the range of research being rewarded in your unit? Be open to emerging areas of research and scholarship that may be disadvantaged by traditional metrics. Is there value that is being missed?