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Principal Mechanical Design Engineer

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🇬🇧 Southampton, England, United Kingdom
Posted 16 Apr 2026

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Job description

Principal Mechanical Design Engineer Hampshire, UK (hybrid) £65–75k + benefits (flexible)This role is focused on the design of large steel structures for marine applications.As principal mechanical / structural engineer you will take ownership of the design or large-scale mechanical systems for ship based sustainable marine technologies. The mechanical / structural engineer will be able to work effectively in a start-up environment. Exciting prospects for growth and development lay ahead.
Key skills:
  • A degree of master degree in mechanical engineering, naval architecture, structural or marine engineering
  • Extensive experience in the design of marine structures (subject to classification approval)
  • Excellent experience of structural analysis, stress and fatigue analysis
  • Able to see projects through from concept to production
  • Able to technically lead small teams, providing guidance and direction


About the Role: This is an exciting opportunity to lead the development of sustainable product technologies within a growing and forward-thinking start-up. The company has developed cutting-edge systems to aid ship propulsion whilst reducing emissions and fuel consumption. The role will involve the design and analysis of large-scale steel structures - concept analysis. 3D / 2D design, FEA, structural analysis and supporting product development through test, validation and into production.
Skills / Knowledge Required: Principal Mechanical / Structural Design Engineer
  • A degree of master degree in mechanical engineering, naval architecture, structural or marine engineering
  • Extensive experience in the design of marine structures (subject to classification approval)
  • Excellent experience of structural analysis, stress and fatigue analysis (CAE and hand-calculations)
  • Able to see projects through from concept to production (DFM)
  • Able to technically lead small teams, providing guidance and direction regarding standards
  • Experience of defining design process and managing compliance and approvals with marine standards and classification bodies
  • Able to act as technical authority for stress, fatigue analysis, championing engineering integrity, safety and sustainability
  • Experience with the use of high-end 3D CAD systems (e.g. NX, Inventor, etc)
  • Willingness to travel occasionally for product trials, installation, commissioning


Others (beneficial):
  • Experience working directly with classification societies (e.g. DNV, LR, ABS etc.)
  • Experience with some of the following - performance-driven structural design, validating models with real-world data, structural testing or manufacturing processes


This role will be based in Southampton, Hampshire, and the company offers hybrid working (min 3 days in the office). People located in and around Southampton, Basingstoke, Fareham, Portsmouth, Guildford, Farnborough, etc, could potentially make this work.
Relocation and work visa support could be available for the right person.

Job details

EmployerSign in to view the employer name
LocationSouthampton, England, United Kingdom
Posted16 Apr 2026
SalaryNot specified
SponsorshipVisa Sponsored ✓
Categories
Engineering and Technology

Visa sponsorship

Skilled Worker