The project-related, global, and age-appropriate work organization in large-scale plant construction is presented as an innovative model and a straightforward master plan for new human-oriented work organization structures through participation in decision-making processes, green consulting, integrated overlapping work structures at all organizational levels, and globally networked work organization. The focus is on the personal and human interests of employees, as well as the targeted age-appropriate development of senior engineers through the developed SEEP model, which also serves as a knowledge management guarantee for future commercial success in the planning and realization of large-scale plant construction projects worldwide. The model has also established a unique selling proposition (USP) as a clear competitive advantage. The book serves as a valuable resource and a proven guide for entrepreneurs, senior staff in (large-scale) plant construction and construction, HR managers, and students in designing and implementing forward-looking work organization structures for the successful execution of complex large projects.