13198-1 Sys Integration/Test Eng L3, Grand Prairie, TX. (. Secret Clearance). DESCRIPTION. HWIL Ops. Seeking an Engineer to support HWIL work. HWIL Engineer to oversee the design, development and implementation of real-time, closed-loop HWIL capabilities. The ideal candidate is an Electrical Engineer with experience with HWIL integration and testing environment. The candidate must have knowledge of electrical engineering in the areas of digital, ...