Job Title: Senior/Principal Naval Architect Location: Barrow-in-Furness, Bristol, Portsmouth or Frimley. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Competitive What you’ll be doing: * Conducting analysis and evaluation of submarine platforms manoeuvring performance from concept design to in-service support * Undertaking development, verification and validation of mathematical manoeuvring model using physical model test data * Generation of Safe Manoeuvring Envelopes and supporting associated operator guidance * You will be working with enterprise partners to develop the modelling capability, processes and toolsets for use to support our major programmes * Working collaboratively with other naval architecture teams, systems teams, Active Vehicle Control system teams and propulsion engineers as well as customers and suppliers to deliver innovative & safe submarine solutions * Supporting & conducting hydrodynamic sea trials such as depth and heading control, including test form development and post-trial data analysis Your skills and experiences: Essential: * Experience in the generation of ship or submarine manoeuvring modelling * Advanced numeracy and analytical skills * A strong understanding of hydrodynamic principles and methods * Degree in Naval Architecture, Aeronautical Engineering, Mathematics, Physics or equivalent experience