Research Chronicler: International Multidisciplinary Peer-Reviewed Journal ISSN: Print: 2347-5021 www.research-chronicler.com ISSN: Online: 2347-503X Volume IV Issue VI: November 2016 (41) Editor-In-Chief: Prof. K.N. Shelke The Implication of Job Stress on Employees’ Performance in Klang Valley, Malaysia Ananthalakshmi Mahadevan Faculty in Business, SOABM, FTMS Global, Malaysia Liew Sook Fam Researcher, SOABM, FTMS Global, Malaysia Abstract Job Stress has been widely discussed and evaluated by researchers in the past decades. It is undoubtedly the most prevalent human resource challenges in the corporate industry nowadays and the issues cannot be ignored by the employer as this will cause negative impact to the organization’s performance as well employee’s well-being. The study was conducted focusing on Malaysia’s local set -up company in private sector. The survey was carried out using quantitative research method, whereby a questionnaire is developed to collect data from a pool of employees located in Klang Valley in Malaysia. The participants were coming from different industries, which include automotive, plantation, developer, manufacturing, property and logistic company. There were total of 137 samples collected successfully and the data was analyzed using SPSS analytical software. Three hypotheses had been developed and Regression analysis was applied to assess the significant impact of the three independent variables towards employees’ performance. The result revealed t hat work intensification and interpersonal relationship has significant impact towards performance of employees. Role ambiguity was being rejected in the hypothesis testing in this study. Based on this result, this study recommended the employer to stay focus on the strategies of “reducing the workload” and “develop good working relationship”. Key Terms: Job stress, occupational stress, work intensifications, work overload, role ambiguity, interpersonal relationship, employee performance Introduction Job Stress has been the most widespread human resource challenges in the corporate world today. This challenge contributed significant negative impact to the employees’ well -being and ultimately affecting their performance. The key objective of this research paper is to analyze the impact of Job Stress on employees’ performance in Malaysia private sector. A survey conducted by Regus (a global workplace provider) indicated that 70 percent of Malaysian workers are exposed to stress related illness due to instabilities of global economic. The survey also revealed that 48 percent of the Malaysian respondents said that their stress levels had risen and over 42% reported that they encountered sleep problem due to work worries (Kumar, Nov 2013). According to Sverke, Hellgren, and Naswell (2002), stress will have three negative impacts to both individuals and organizations. This includes absenteeism, employee attitudes and commitment to the organization. (Razak, et al., Nov 2014). The success of a company is highly driven by the performance of employees. Therefore, the company is willing to spend resources in building individual talent to equip them with appropriate skill set to achieve company’s goal. However, employers today tend to ignore the