Finding freelance jobs for engineers is easy, but making sure the role is suited for your field and getting the job is the tricky part. You need to make sure that the post is related to what you do because if you pick up a wrong position that you do not understand and need to turn down later, it will give your employer a false impression and you will lose credibility in the market. Yes, we say likelihood here as when you do a good job, the word will spread and employers will start looking for you to give you projects.
Yes, you can even find jobs as a freelance site engineer. Though the openings are fewer, they will pay a right amount of money. As a site engineer, you will be required on site to accomplish various types of work of telecomunications. You might need to plan, coordinate, and supervise the entire project to its end. Find more details: freelance engineering jobs.