When you are working at your job, focus on how you are helping other people and fulfilling the commandment of “love your neighbor.”

Moreover, your job is an opportunity to work on being honest and trustworthy in every transaction.

Sources: see Rabbi Yisroel Salanter in Michtav M’Eliyahu; Chochmah Umussar; Rabbi Zelig Pliskin’s “Gateway to Happiness,” p.104