As cyber-attacks and their subsequent responses have become more frequent and complex over the past decade, research into the performance and effectiveness of cybersecurity teams has gained an immense amount of traction. However, investigation of teamwork in this domain is lacking due to the exclusion of known team competencies and a lack of reliance on team science. This paper serves to provide insight into the benefit that can be gained from utilizing the extant teamwork literature to improve teams’ research and applications in the domain of cyber-security.

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Team roles have been suggested to be a key predictor of team performance metrics, however, there is little research in this area. We introduce a structural equation model of the relationship between team composition as measured by Team Role Experience and Orientation (TREO) dimensions and team performance metrics in a co-operative spaceship simulation game. The results of the model indicate that variance in team composition operationalized as team roles and mediated by resources accounts for 52.5% of the team’s performance, however, the influence of team roles is minimally predictive. These results call into question the predictive validity of team roles as measured by TREO dimensions when applied as a team input variable. Our investigation suggests further study into team roles’ predictive ability on team performance is needed.