The daily responsibilities of a mechanical engineer focus on design, development, testing, and deployment of mechanical components, equipment, and devices. In this field, you may also work with thermal equipment. Entry-level mechanical engineers typically operate as part of a team; your designs are reviewed and have to be approved by a senior staff member. Once you have gained experience, you may be assigned your own project and have more independence. You design and visualize components using computer-aided design software or test materials, and can also work onsite on specific projects, such as designing and installing escalators for a construction project. If you have no experience, you usually report to a senior engineer.