This report provides a comprehensive analysis of human resource management (HRM) practices, focusing on Rolls Royce as a case study. It begins with an introduction to HRM and its strategic importance, followed by an examination of how Rolls Royce adapted its HR strategies in response to the COVID-19 pandemic, including changes in policies, recruitment, leave, and remote work. The report then analyzes the impact of environmental factors on the company's culture and HR plan using a PESTEL analysis. It also explores an HR value chain model to demonstrate how the company creates value and examines the differences between personal management and HRM using Storey's 27 points. The report further discusses job design strategies and concludes with recommendations for effective HR practices, referencing relevant academic sources throughout. The report aims to provide insights into how organizations can effectively manage their human resources to achieve competitive advantages, especially in the context of significant environmental changes.