A leading recruitment agency is seeking a Principal Systems Engineer for a 6-month engagement based in Salisbury. You will lead the technical delivery of complex Test, Trials, Training, and Evaluation (T3E) infrastructure projects at Boscombe Down, focusing on aviation facilities. SC clearance is required, and the role will require 3 days weekly on-site work. Competitive and negotiable rates are available for the right candidate. #J-18808-Ljbffr