Leidos is seeking a Principal Mechanical Engineer in Albuquerque, NM, to lead the development and sustainment of weapon systems for the Department of Defense. The role involves collaborating with a team of engineers and scientists to integrate directed energy technologies into advanced weapon systems, while also providing technical direction and mentoring to other staff. The ideal candidate will possess strong analytical skills, the ability to work independently, and effective communication skills to interact with both internal teams and external customers.