Principal Design Engineer

(Hybrid - 3 days onsite)

£65,000 - £85,000 + Benefits + Relocation + Visa Sponsorship (if required)

We're hiring a Principal Design Engineer to join a fast-growing maritime technology company developing wind-assisted propulsion systems that reduce fuel consumption and emissions across global shipping.

This is a hands-on leadership role where you'll own key subsystems from concept through to production.

• Lead mechanical and structural design of critical subsystems
• Own wing geometry development - balancing performance + manufacturability
• Develop and manage load cases (real-world + classification)
• Translate requirements into robust, production-ready designs
• Perform and oversee FEA + structural analysis
• Act as technical lead with classification societies (DNV, LR etc.)
• Be the go-to expert for stress & fatigue analysis
• Support and mentor junior engineers

• Degree in Naval / Mechanical / Structural / Marine Engineering
• 5-10 years designing marine structures (classification-approved)
• Strong 3D CAD (NX, Inventor or similar)
• Solid FEA + hand calculations experience
• Experience with DNV, LR, NK or similar
• Strong understanding of DFMA & structural integrity

• Fatigue, buckling, or large welded structures experience
• Exposure to aero-structures or performance-led design
• Structural testing & validation experience

• Work on real clean-tech hardware
• Join a scaling engineering business
• Own designs from concept to production
• Genuine career progression as the company grows