A leading technology firm in Blackwood is seeking a Principal Systems Design Engineer to lead the architecture and design of advanced C4I systems for critical defense programs. The ideal candidate will have extensive experience in systems engineering, proven design leadership, and the ability to mentor junior engineers. This role also offers a hybrid working model and a competitive salary ranging from £59,200 to £80,000, alongside impressive benefits including a compressed workweek and career development opportunities. #J-18808-Ljbffr