Employee engagement is one of the concentrations of the human resources department. Many programs are run to increase employee engagement value from year to year. This study aims to analyze the influence of work environment and flexible working hours on employee engagement with employee motivation as an intervening variable. The respondents of this study focus on millenials supervisor up from manufacture and service company in Java Island, Indonesia. The type of research used is quantitative with survey method. Research respondents were 110 people and the data were analyzed using Structural Equation Model -Analysis of Moment Structures. The results show that there is an influence of work life balance and flexible working hours on employee engagement. We also used Sobel test to see that employee motivation have a function as a mediating or not in this study. According to the results, employee motivation has the effect of mediating between work environment and flexible working hours on employee engagement.

The industrial era 4.0 requires companies to radically conduct changes related to technology. This is so that the company can follow the market's everchanging appetite and is essential to maintaining the company's sustainability. The digital transformation that occurs is fundamental, changing existing procedures and arrangements and creating a new business ecosystem. In carrying out a company transformation, it requires full support and commitment from workers. And the process needs to be conducted by competent leaders, in line with the spirit of change. In this study, the relationship between transformational leadership climate and employee engagement was measured. The research was conducted on banking service companies that have made radical changes related to technology for 2 years. The results showed that the climate created by leaders who adopt transformational leadership styles has a positive and significant effect on employee engagement. This research is a preliminary study, and has limitations, including the number of samples and types of companies studied.