Mechanical Test Engineer

CompanySubSea Craft Limited

LocationPortsmouth, England, United Kingdom

Posted At3/6/2026

UK Visa Sponsorship Analytics

Analytics are greyed out due to low classification confidence (49.0%).

Occupation Type

Routine inspectors and testers

Occupation Code Skill LevelMedium Skilled

Sponsorship EligibilityIneligible for Sponsorship

Above analytics are generated algorithmically based on job titles and may not always be the same as the company's job classification. You can also check detailed occupation eligibility, and salary criteria on our UK Visa Eligible Occupations & Salary Thresholds page.

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Description

Salary: £40,000 - £50,000 DOE
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

Leading the development and execution of engineering prototype test activities 
Manage the development of prototype test procedures, ensuring that all test procedures are developed in line with the system requirements 
Creation and management of comprehensive test documentation to fully capture and communicate all test activities, non-compliances, results and recommendations, to feed into the design cycle and quality management system 
Development of bespoke test solutions, in order to validate prototype products meet customer requirements 
Working flexibly with the engineering and operations teams to ensure test results and documentation is delivered on time 
Identify and propose solutions to address gaps in prototype testing capabilities 
Leading the implementation of the highest safety standards for test and evaluation

Working collaboratively with established partner organisations to deliver robust integration of test plans within defined timelines 

Required

Qualifications and Experience:

Degree level qualification in Mechanical / Electrical Engineering or similar 
Any additional qualifications or certifications in the areas of safety, lifting, process control, fluid power, technical documentation, pressure systems, environmental testing, high and low voltage electrical assembly / test are all desirable 
Professional registration (e.g. CEng) or progression towards is advantageou
Test and validation experience, both physical test and theoretical analysis 
Comfortable using hand tools to assemble and test prototype equipment. 
Demonstrable history of excellent technical communication, both written and verbal 
Maritime experience is a plus, but whatever your track record, high levels of technical expertise, personal drive and strong communication skills are particularly important. 
Experience of safe assembly and testing of pressure systems, including fluid power, would be beneficial.

Knowledge and experience of data acquisition and instrumentation 

Experience in the use of CAD / CAM software and the operation of CNC machines would be beneficial. 

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.

Please note that all offers of employment are conditional and subject to satisfactory DBS, driving licence and reference checks. A criminal record will not automatically disqualify candidates from employment. We will consider criminal record information alongside the wider range of evidence gathered at the application, interview, and pre-employment checking stages.

Due to the high volume of applications, we are unable to respond to everyone. If you are shortlisted, we will aim to contact you within 14 days of your application or the closing date (if stated). We may retain your details for future suitable roles unless you advise us otherwise.

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