Microbiota engineering is rapidly emerging as a revolutionary approach to enhance food production systems, offering novel solutions to persistent issues in agriculture, livestock production, and food processing. In order to enhance resilience, elevate productivity, and advance sustainability in food systems, this chapter looks at how microbial communities whether they are present in plants, soil, or the gut microbiota of livestock have the capacity to be controlled. Beneficial microorganisms such as bacteria that support plant growth and probiotics for livestock provide strategies to elevate crop yield, reduce the environmental impact of agriculture, and enhance animal health. Despite its promise many questions remain particularly about the complex, multilayered interactions between microbiota and their environment. Current studies usually lack a comprehensive, systems-based approach and focus on isolated applications or individual microbial strains rather than the larger, synergistic effects within agricultural and food ecosystems. Furthermore, the long-term ecological, economic and food safety impacts of microbiota engineering are poorly understood. Furthermore, ethical and legal issues surrounding the alteration of microbiota in food systems prevent broad adoption. Novel approaches like synthetic biology and CRISPR-based technologies are demonstrating promise as tools for precisely engineering microbial communities with desired functions. Nevertheless, there are still challenges in scaling these innovations and integrating them in different agricultural contexts. Interdisciplinary cooperation is necessary to close knowledge gaps, enhance technological applications, and establish standardized regulatory frameworks in order to fully realize the potential of microbiota engineering. Large-scale, longitudinal studies should be the main focus of future research in order to evaluate the ecological and environmental effects of engineered microbiota. The long-term viability of microbiota-based solutions will depend on research into sustainable and scalable delivery systems and how to incorporate them into regenerative and circular agricultural practices. Future sustainable food production systems that support environmental sustainability and global food security has the capacity to benefit greatly from microbiota engineering’s contribution to interdisciplinary collaboration and the closure of these research gaps.