The study aims to investigate the influence of technology self-efficacy on work engagement, with a specific focus on the mediating effect of ICT adoption in tertiary higher institutions in Nigerian public universities. Using a sample of 264 academic staff from the selected Universities in southwest Nigeria, data was collected through systematic random sampling measures. Structural equation modelling was employed to analyse the proposed relationships. The findings indicate a significant positive relationship between technology self-efficacy and work engagement, suggesting that individuals with higher levels of technology self-efficacy tend to exhibit greater work engagement. Moreover, the study reveals that ICT plays a mediating role in the relationship between technology self-efficacy and work engagement. Specifically, ICT adoption completely mediates the positive association between technology self-efficacy and work engagement. These results emphasize the importance of technology self-efficacy in fostering work engagement, with ICT serving as a significant mechanism through which this relationship is facilitated. Universities in Nigeria can promote work engagement by developing employees' technology self-efficacy through training programs, providing user-friendly ICT tools and support, and encouraging a technologically empowering work environment. The implications of this research highlight the need for organizations to recognize the role of technology self-efficacy and ICT adoption in enhancing work engagement. By empowering academic staff with the necessary technological skills and resources, Universities can create an environment that nurtures their engagement and maximizes their productivity. Further research may explore additional mediators or moderators that influence the relationship between technology self-efficacy, ICT, and work engagement.