Senior Computational Fluid Dynamics Engineer

Position: Senior Computational Fluid Dynamics Engineer

• Salary: £50,000 - £60,000
• Full Time
• Permanent

Who we are: SubSea Craft is a fast growing, privately-funded, UK-based innovative 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.

What We Offer

• Annual Leave – Entitlement to 25 days of annual leave plus bank holidays
• Wellbeing Day - An additional Wellbeing Day each year to focus on personal health and wellbeing.
• Private Healthcare – Access to comprehensive private healthcare coverage to support your physical and mental wellbeing.
• Life Assurance and Critical Illness Cover – Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security.
• Family Leave – Enhanced maternity and paternity pay
• Christmas Leave – A Christmas shutdown is typically observed.
• Professional Development – Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning.
• Pension Contribution – pension scheme with the option to contribute via salary sacrifice
• Flexible Working – Opportunities for flexible working arrangements to promote work–life balance.
• Inclusive Culture – A professional environment that values diversity, innovation, and collaboration.

Responsibilities Will Include

• Lead CFD analysis across surface and submersible vessel development programs

• Perform single phase, subsurface simulations including:

• Resistance and propulsion

• Hull optimisation
• Wake analysis

• Manoeuvring predictions

• Perform multiphase, surface simulations including:

• Resistance and propulsion

• Trim and heave predictions

• Seakeeping predictions

• Execute aerodynamic and airflow simulations for:

• Compartments ventilation

• Intake/exhaust flow optimisation

• Conduct thermal and heat transfer simulations for onboard systems

• Develop accurate simulation strategies, verification plans, and validation methods
• Collaborate closely with the Naval Architecture team to support conceptual and detailed design phases
• Optimise CFD workflows, automation, simulation libraries, and modelling standards
• Prepare technical reports, present findings, and support decision making in design reviews. Ensure accurate and up-to-date records throughout the design and development process for defined areas of responsibility
• Mentor engineers and assist in building internal CFD capabilities

Qualifications And Experience

• Bachelor's degree or higher in Engineering, preferably in Naval Architecture, Mechanical Engineering or Aerospace Engineering
• Professional CFD experience, ideally in the marine, aerospace, automotive, or defence sector
• Experience with one or more CFD software, preferably in STAR-CCM+
• Experience in 3D and 2D CAD modelling software, such as Rhino, Inventor or Solidworks
• Experience with CAD integration workflows and meshing tools
• Familiarity with hydrodynamic analyses of AUVs, small submersibles and surface vessels desirable
• Excellent communication skills, both verbal and written, to effectively collaborate with cross-functional teams to present design proposals

Note: Due to the nature of work undertaken at SubSea Craft, the selected candidate must be capable of meeting the security requirements of the position, which would include as a minimum existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), with UK National security clearance required for certain roles.*

Values: Our people are our greatest asset, we continually strive to provide an excellent working environment to enable our team to do their best work. We have an agile professional workforce: we are founded on the belief that our people are valued and our business is trusted, inclusive and commercially-adept.

What We Expect From You

• 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. Please bear in mind that if you are selected for an interview we will aim to contact you within 14 days of your application or the closing date (if stated). However, if we think that your skills and qualifications may be suitable for other similar positions we may hold your details on our database and contact you in the future. Please let us know if you do not wish us to keep your details on file.

• Please note that DBS, Driving Licence and reference checks will be carried out and all offers of employment are subject to meeting our requirements.