The purpose of this study is to identify the effect of workload stress on job performance within time pressure among architects-engineers in Kota Bharu practising consultancy services firm. The study ought to find how workload stress effect the productivity and performance in professional services. In addition, it identifies the main factors which also contribute to workload stress like time pressure and other factors. This study is conducted by using qualitative study since currently the topic of the study is explanatory; not much has been written on the topic and not many study been done on the population. The data related to workload stress and job performance were collected from 15 architects-engineers through interview using semi-structured question. From the results obtained, it was evident that never-ending workload also has become one of the major causes of occupational stress among architect-engineers, and this stress reduces their efficiency and had an effect on performance. Thus it was recommended that architects-engineers, themselves must know how to manage their workload and time in order to improve their job performance and job satisfaction. In fact, employers also must play vital role in balancing the workload among their employees in order to be able to maximize the high performance of their employees.