Senior Marine Design Engineer Southampton £50,000 - £65,000 + Package + Hybrid Working + Design Authority + Long-Term Stability + Pension + Holidays Secure your next move as a Senior Mechanical Marine Engineer within a privately owned, design-led naval architecture and marine engineering consultancy working at the upper end of complex vessel engineering. This role is intentionally aimed at experienced marine designers who already operate at ship scale and want to work in an environment where engineering judgement carries weight.The business operates with a small, highly experienced multidisciplinary team, delivering mechanical systems design alongside naval architecture and structures. Projects span large, complex vessels and superyachts up to 10,000 tonnes, with work undertaken from concept through to detailed design and class approval. Staff turnover is low, standards are high, and technical credibility comes before headcount growth. Your Role As A Senior Mechanical Marine Engineer Will Include: Ship-scale mechanical systems design across complex marine projectsProducing clear, buildable design output using CAD / RhinoTechnical ownership of assigned systems and deliverablesClose collaboration with structural and naval architecture disciplinesApplying engineering judgement across concept and detailed design phases As A Successful Senior Mechanical Marine Engineer You Will Have Significant experience in the marine industry Background in naval vessels, superyachts, cruise s