Our client is seeking a highly experienced and technically authoritative Senior Staff Engineer to provide expert leadership and drive innovation within the Space & Defense business in Gilbert, AZ. This key role involves steering the design, development, and optimization of cutting-edge aerospace systems, delivering advanced technical solutions, and mentoring the next generation of engineers. The successful candidate will also influence engineering best practices across multiple programs. This position is not limited to a single program; it is a high-impact, cross-program role that demands deep hands-on technical expertise, exceptional communication skills, and a strong passion for tackling complex challenges in real-time environments. If you are the engineer everyone relies on when the stakes are highest, this is your opportunity to take a central role and make a significant impact.