The employees working in IT industry need to have a positive job climate, job stress-free atmosphere, job team spirit and job satisfaction and this will improve the overall output and welfare of IT personnel. The present book aimed at investigating job dissatisfaction of IT employees in terms of the chosen study variables namely, job climate, job stress and job alienation based on certain demographic variables such as gender, marital status, age, residence, locality, birth order, educational qualification, experience, designation, working company, and spouse occupation. The study was conducted on a sample of 348 IT employees selected through random sampling technique from five leading IT companies in Chennai, Tamilnadu State. Exploratory research design using survey method was conducted and data were collected using 4 tools. One tool, Job Dissatisfaction Scale,was developed by the investigator, and the other three were adopted tools, namely Job Climate Scale, Joy Stress Scale and Job Alienation Scale. Data were analysed using statistical techniques like 't' test, ANOVA, correlation, multiple regression and stanine.