Securing and retaining a job is the desire of most, if not every employee, especially in the face of high rates of unemployment occasioned by several factors globalisation, harsh economic conditions, high mobility of labour and so on. On the demand side, organisations also seek to attract high flyers to ensure peak performance in order to attain set objectives. Between these two sides, several determinants are key to the realization of these objectives, chief amongst which is Job Security. One could say it is the major bridge linking the two. The study examined the effect of Job Security on employees performance at Berger Construction Company in Nigeria. The study adopted the survey research design. The population of the study consists of 518 employees of Berger Construction Company in Nigeria which was also used as the sample size. The method of data collection was a questionnaire which was administered to the respondents. The statistical tools adopted for this study were correlation and simple regression models. The findings revealed that there is a positive and significant effect of job security on employees performance in Berger Construction Company in Nigeria. The study recommended that Berger Construction Company should continue to ensure the effective promotion of their employees to higher statuses and higher positions and also ensure they improve their salary system.