A leading defense engineering firm is seeking a Principal Systems Engineer in Maidenhead to lead the development of complex, mission-critical systems. You will guide teams across the Systems Engineering lifecycle and ensure quality and stakeholder satisfaction. The ideal candidate has extensive experience and is proficient in Systems Engineering methodologies, along with the ability to mentor junior staff. This full-time role is crucial for achieving technical excellence and innovation in the defense sector. #J-18808-Ljbffr