Final answer:
Roland's role at the university, where he conducts tests to assist students in planning their careers, is that of a Career Counselor.
Step-by-step explanation:
Roland, who conducts aptitude and personality tests to gauge the interests and skills of students at a university in the United States, and uses this evaluation to help students plan their future goals, performs the career role of a Career Counselor.
This role involves assisting students in understanding their strengths, personality traits, and interests, which is paramount in making informed career decisions and setting future goals.
Career Counselors play a crucial part in the educational and training industry, as they help students navigate through the complexities of career planning and development.