In today’s turbulent, complex, and unpredictable environment, quasi-governmental organizations, particularly the Civil Servants Pension Fund, need organizational agility capabilities to respond effectively to stakeholders’ needs, enhance productivity, and maintain organizational sustainability. Furthermore, the quantum management paradigm, through its emphasis on systems thinking, complexity management, flexibility, intuition, learning, and innovation, can provide an appropriate foundation for developing organizational agility. Accordingly, the present study aimed to design and explain a model of organizational agility based on the quantum management paradigm in the Civil Servants Pension Fund. In terms of purpose, this study was applied, and in terms of approach, it was qualitative and conducted using thematic analysis. The participants comprised academic experts and senior and middle managers familiar with management, organizational agility, and quantum management, who were selected through purposive sampling. Data were collected through semi-structured interviews and analyzed using coding and thematic analysis procedures. The findings resulted in the identification of eight organizing themes and 16 basic themes. The organizing themes included quantum skills, quantum leadership, quantum-agile structure, quantum-agile culture, quantum-agile human resources, quantum-agile capabilities, quantum intelligent technology, and strategic agility. The basic themes consisted of quantum thinking and cognition; quantum feeling, trust, and action; interactive and participative leadership; quantum decision-making; agile and fluid structures; quantum communication; a culture of innovation and risk-taking; learning and knowledge management; human resource competency development; human empowerment and flexibility; agile processes; continuous improvement and dynamic quality; agile technological infrastructure; data-driven technologies; organizational innovation and transformation; and environmental interactions. Ultimately, 115 initial codes were classified under these themes, and the final research model was developed. The findings demonstrated that organizational agility in the Civil Servants Pension Fund is a multidimensional concept whose realization requires the simultaneous development of human, managerial, structural, cultural, technological, and strategic capabilities within the quantum management paradigm. Accordingly, quantum skills and quantum leadership, as the principal drivers of the model, provide the foundation for developing flexible structures, a learning-oriented culture, empowered human resources, intelligent technologies, and strategic capabilities. Implementing this model can enhance flexibility, responsiveness, innovation, service quality, and the sustainability of the Civil Servants Pension Fund in addressing environmental challenges.