San Luis Obispo-based Dozuki, a developer of software that provides training to the manufacturing workforce, has raised a strategic growth investment round, the company said today. Size of the investment was not announced. The funding came from Marlin Equity Partners. According to Dozuki, it will use the funding to further its position in the manufacturing software market. Dozuki was founded by co-founder and CEO Eric Doster. The company said it was advised by Vista Point Advisors.