Life in the modern world today is full of frustrations, demands and deadlines as stress has become a norm for many people. Since the harsh episode of the pandemic, stress is the normal physical response that disturbs our balance. Many experienced work-related ill health cases due to work-related stress, depression and anxiety. Therefore, work stress is inevitable. Work stress is increasing in Malaysia, especially since the pandemic and it continues to pose a major global health threat until now. Alarmingly, stress has become a modern epidemic and has influenced poor public health. Many past researches reviewed the prevalence of occupational stress and the causes of its prediction among the Malaysian population and found many occupational stress severe incidents. The Malaysian government mobilized the Malaysia Civil Defense Force (MCDF) for several responsibilities to save lives and properties. Based on the nature of MCDF work, stress is a major issue. There are many factors of stress; operational, organizational and lifestyle to name a few. Organizational stress highlights employees’ attachment to the organization, operational stress highlights employees' experience doing the work, and lifestyle stress highlights individual ways of living. Therefore, the researchers attempt to examine the relationships between operational, organizational and lifestyle factors and the most influencing factor that may cause stress among a population of 180 personnel of MCDF, while carrying out their work assignments in Klang Valley.