There have been significant changes in business—in the nature of employment—influenced by the transformations in the economy, society and technology. These changes led to uncertainty and competition in the labor market, insecurity in employment, and divisions in career paths. This was especially important in the 21st century where the technological advancements have created a more mobile, unstable environment. Career construction theory describes elucidative and relational progress through which individual impose meaning and direction on his/her vocational behaviors. This chapter, which approaches the idea of Savickas in a theoretical basis, offers a consideration on the career construction thinking based on his propositions. The chapter provides a framework for viewing vocational behavior across the lifespan as a dynamic process which considers life themes, vocational personality, and career adaptability. To this end, it aims to support academics, human resources specialists, and counsellors to benefit from Savickas' seminal thought.