Principal Design Engineer

Principal Design Engineer - Marine Experience is essential for this role! Location: Southampton – hybrid, 3 days per week on-site Salary: £70-85K+ (neg) plus excellent benefits package. More may be available for the right candidate. A relocation package and Visa/Sponsorship support is available for this role if required. About the Opportunity Our client is a leading fast-growing maritime technology business developing wind-assisted propulsion systems that help reduce fuel consumption and emissions across global shipping. They are now looking to appoint a Principal Design Engineer to join their growing engineering team. This is a hands-on role with broad involvement across the design lifecycle, from concept development through to detailed design and production-ready hardware. Working closely with the Head of Engineering, you will take ownership of key subsystems, helping to deliver designs that are robust, manufacturable, compliant, and ready for real-world use. This is an excellent opportunity to join a mission-driven business developing real climate-impact technology in a highly innovative environment and would suit someone genuinely motivated by sustainability and the opportunity to contribute to cleaner shipping. Key Requirements We are looking for an experienced Mechanical / Structural / Marine Engineer with strong expertise in marine structural design, analysis, and classification-led approval. You should bring: * Degree qualification in Naval, Mechanical, Structural, or Marine Engineering * Around 5-10 years’ experience designing marine structures approved by classification societies * Strong proficiency in Siemens NX, Autodesk Inventor, or similar 3D CAD tools * Strong experience in structural analysis, including FEA and hand calculations * Proven experience translating load cases into robust design requirements and validated structures * Experience working directly with classification societies and supporting technical approval * Experience with DNV, LR, NK or similar bodies * Strong understanding of DFMA, structural integrity, and manufacturability Desirable experience includes: * Experience in fatigue, buckling, and large welded structures * Exposure to aero-structural systems or other performance-led structural design * Experience validating models against real-world data * Knowledge of structural testing, validation, and manufacturing techniques Please do apply online today for more information, our client are looking to interview asap