Principal Systems Engineer Location: Hampshire Eligibility: We can only accept SOLE UK NATIONALS for this role. Are you ready to help shape the future? We are driving forward innovation across defence and advanced technology-developing solutions that protect lives and push the boundaries of what's possible. We now have an exciting opportunity for a Principal Systems Engineer to join our engineering function, working within a highly skilled team delivering cutting‑edge capability. The Role As a Principal Systems Engineer, you will take a leadership role within the Systems Engineering function, guiding a team of engineers while delivering your own portfolio of project work. You will support multiple programmes simultaneously, providing technical oversight, systems engineering expertise, and strong team leadership. This is a hands‑on, highly influential role where you will be key in shaping engineering delivery, driving best practice, and enabling the productisation of science and technology. Key Responsibilities Work with discipline and professional leads to improve toolsets, processes, artefacts, and training across the engineering community. Mentor, coach, and peer‑review the work of engineers, sharing best practice and elevating capability across the team. Lead performance and development activity, including goal‑setting, feedback, 1:1s, and calibration discussions. Develop the team's pr...