Senior Naval Architect

Senior Naval Architect – Institute of Marine Engineering, Science & Technology (IMarEST)

Join to apply for the Senior Naval Architect role at the Institute of Marine Engineering, Science & Technology (IMarEST).

• Salary: £50,000‑£60,000 (DOE)
• Full Time
• Permanent

Sub Sea Craft is a fast‑growing, privately‑funded, UK‑based maritime technology company specialising in next‑generation, high‑performance watercraft and systems. We operate at the intersection of advanced engineering, cutting‑edge design, and user‑centric innovation, delivering safe, effective, and enabling solutions for both commercial and defence applications.

• Annual Leave – 25 days plus bank holidays
• Wellbeing Day – an additional day each year to focus on personal health and wellbeing
• Private Healthcare – comprehensive coverage to support physical and mental wellbeing
• Life Assurance & Critical Illness Cover – includes Life Assurance (4× salary) and Critical Illness Cover for added financial security
• Family Leave – enhanced maternity and paternity pay
• Christmas Leave – a typical Christmas shutdown
• Professional Development – ongoing learning and career growth, supported by training programmes and Linked In Learning access
• Pension Contribution – salary‑sacrifice pension scheme
• Flexible Working – opportunities to promote work‑life balance
• Inclusive Culture – a professional environment that values diversity, innovation, and collaboration

• Perform hydrodynamics analyses and assessments of surface and subsurface vessels, covering manoeuvring, resistance, and seakeeping.
• Analyse and interpret test data to develop and validate hydrodynamic predictions.
• Hull form design and optimisation, including automating the optimisation of hull forms for hydrodynamic performance.
• Collaborate on hull structural design and drawings for regulatory submission, liaising with structural specialists and creating detailed manufacturing drawings.
• Surface and submerged stability assessments.
• Collaborate with cross‑functional teams (mechanical, electrical, control systems) to ensure integration of vessel systems.
• Develop and maintain comprehensive documentation, including design specifications, engineering drawings, technical reports, and supporting design review submissions. Ensure accurate and up‑to‑date records throughout the design and development process.

• Bachelor’s degree or higher in Engineering, preferably Naval Architecture or Marine Engineering.
• Experience with 3D and 2D CAD modelling software such as Rhino, Inventor or Solid Works.
• Expertise in naval architecture software; knowledge of Para marine is desirable but not essential.
• Familiarity with CFD packages and hydrodynamic analyses of AUVs, small submersibles and surface vessels.
• Good understanding of hydrodynamics and ship stability, ideally with experience in submersibles.
• Foundation knowledge of mechanics of materials, with preference for composites design and analysis.
• Understanding of regulatory requirements and industry standards for structural design and marine systems; experience designing for class approval of composite structures against Lloyd’s or DNV‑GL is beneficial.
• Good understanding of marine systems and ability to integrate such systems within a vessel design.
• Experience in construction, design consultancy and/or trials of military small boats is advantageous and can be developed within the role.
• Excellent communication skills, both verbal and written, to collaborate with cross‑functional teams and present design proposals.

Due to the nature of work at Sub Sea Craft, the selected candidate must be able to meet the security requirements of the position, including an existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), and UK National security clearance where required.

• Teamwork, mutual respect and collaboration
• Initiative and independent working
• Honesty and integrity
• Business and commercial awareness
• Agility, adaptability and continuous development

We are committed to building an inclusive, diverse workplace where everyone can thrive. If you require any support or adjustments to interact with us, please let us know.

We regret that due to the high volume of applications we are unable to acknowledge every application. If you are selected for an interview, we will aim to contact you within 14 days of your application or the closing date. We may also hold your details on our database for other similar positions. Please let us know if you do not wish us to keep your details on file.

DBS, driving licence and reference checks will be carried out and all offers of employment are subject to meeting our requirements.