The technical route is generally to do design.
The design can take the mechanical engineer route and the electrical engineer route.
Because you've done assembly and debugged machines up front, you can avoid a lot of the pitfalls of beginning design.
Design route to go for a period of time can also go to the project manager of this management position,
Or your previous work experience, you can better control the progress of the project, the deployment of personnel work tasks.
Furthermore, you can be the business manager of this position, their own to docking customers, master resources.
Finally, you can go out on your own and start your own company.
The last word, the road is their own, see the right to do it.