Pioneering psychologists like Amy Wrzesniewski, an associate professor at Yale and PhD graduate of the University of Michigan Psychology Department, and Jane E. Dutton, a professor at the University of Michigan have been studying the nature of meaning at work for over a decade now. Their work is enabling us to begin to understand how we can take control of the meaning we experience at the office.
In studying job crafting, the process of redesigning a job to boost meaning, they found that people could increase their sense of purpose by adjusting their tasks, relationships and approach to their work. These are all actions we can take in just about any job. They don't require re-writing your job description.
Read the author's the concrete examples of how he has personally crafted his job over time to maximize meaning: http://www.huffingtonpost.com/aaron-hurst/9-ways-to-boost-meaning-i_b_5193068.html?ir=Business&utm_hp_ref=business