Okay, let’s tackle this. So Sherry has a broad skill set that includes systems engineering, aerospace, and space systems, which are in demand. She also has experience in engineering management, proposal writing, and technical writing, which are valuable skills. Location is Chicago, IL, which is a major hub for industries like aerospace and engineering. According to national averages, systems engineers with her experience can earn around $100–$150 per hour. Considering her skills and location, I estimate her hourly rate to be around $120.