Work from home mechanical engineers have the same job duties as in-house mechanical engineers; the main difference is they work remotely, outside of the office. Because mechanical engineering is one of the broadest genres in the engineering industry, specific job duties may vary, depending on the type of company you work for and the assigned project. As a work from home mechanical engineer, you research, design, and develop mechanical devices. These devices may include tools, thermal sensors, engines, large machines, and elevators. On a daily basis, a work from home mechanical engineer may analyze and inspect mechanical and thermal devices, troubleshoot issues, determine solutions, and oversee repairs. They may also develop and test mechanical and technical prototypes of new designs and devices.