{"id":1903998,"url":"https://alion.io/job/success-matcher-principal-design-engineer","title":"Principal Design Engineer","company":{"id":3864750,"name":"Success Matcher","domain":"successmatcher.com","url":"https://alion.io/company/success-matcher","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Manatal","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Southampton, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":142000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":98},"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-05T12:11:54Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-15T12:38:49Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"About the Opportunity\nOur client is a pioneering maritime technology business on a mission to decarbonize global shipping. They are developing revolutionary wind-assisted propulsion systems that significantly reduce fuel consumption and environmental impact.\nAs the Principal Design Engineer, you will serve as a technical authority within a fast-growing engineering team. This is a hands-on, high-responsibility role where you will bridge the gap between ambitious concept development and rigorous maritime compliance. If you are a marine structural expert motivated by sustainability and the challenge of bringing \"Big Steel\" innovation to the open seas, this is your next career move.\nThe Role & Responsibilities\nIn this senior leadership position, you will own the structural development of key product subsystems, ensuring they are robust, compliant, and ready for real-world deployment.\nStructural Authority: Define the structural design philosophy and act as the internal expert for stress, fatigue, and buckling analysis.\n\nCompliance Lead: Take the lead on technical engagement with major classification societies (DNV, LR, etc.) to ensure designs meet stringent maritime standards.\n\nDesign Ownership: Lead the mechanical design of subsystems, specifically balancing wing geometry with performance and structural integrity.\n\nLoad Case Management: Develop and manage complex load cases across real-world operating conditions and translate them into clear design requirements.\n\nMethodology: Develop and improve in-house structural analysis tools and verification methods.\n\nMentorship: Support and review the work of junior engineers, championing high standards of engineering integrity and safety.\n\nKey Requirements\nEducation: Degree in Naval Architecture, Mechanical, Structural, or Marine Engineering.\n\nExperience: 5-10 years of experience in designing marine structures specifically approved by classification societies.\n\nSector Expertise: A deep-rooted background in the Marine industry is essential.\n\nRegulatory Knowledge: Proven experience working directly with bodies such as DNV, LR (Lloyd’s Register), or NK to achieve technical approval.\n\nTechnical Proficiency: High proficiency in Siemens NX, Autodesk Inventor, or equivalent 3D CAD tools.\n\nAnalysis Skills: Strong expertise in FEA, hand calculations, and translating load cases into validated structures.\n\nMindset: Comfortable navigating the fast-paced, evolving environment of a high-growth technology startup.\n\nWhy Join?\nYou will be a key player in a mission-driven business delivering tangible climate-impact hardware.\nHigh Levels of Ownership: Influence the design philosophy of a product scaling for global use.\n\nImpact: Work on hardware that directly contributes to a cleaner, more sustainable shipping industry.\n\nStability & Support: Comprehensive relocation and visa sponsorship for candidates looking to move to the UK’s premier maritime hub.","description_format":"text","description_chars":2919,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-05T12:11:54Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long 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