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Mechanical Test Engineer

Job in Portsmouth, Hampshire County, PO5, England, UK
Listing for: Resource Area for Teaching
Full Time position
Listed on 2026-09-19
Job specializations:
  • Engineering
    Test Engineer, Mechanical Engineer, Systems Engineer, Electrical Engineering
Salary/Wage Range or Industry Benchmark: 45000 - 55000 GBP Yearly GBP 45000.00 55000.00 YEAR
Job Description & How to Apply Below
  • Salary: £45,000- £55,000 pa
  • Full Time
  • Permanent
Who we are:

Sub Sea 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:
  • Private Healthcare with optional family cover
  • Life Assurance (4 x salary)
  • Critical Illness Cover
  • 25 days paid holiday + bank holidays + Christmas shutdown
  • Ongoing professional development and training
  • Access to Linked In Learning
  • Pension contribution
  • Flexible Working
  • A cultureof diversity and innovative thinking
Role Overview :

We are looking for an energetic Prototype and Test Validation Engineer to drive forward the development of world leading advanced maritime technology. The successful candidate will be driven by innovation and strive to deliver excellence in everything they do.

Responsibilities include:
  • Leading the development and execution of engineering prototype build & 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
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 advantageous.
  • 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.
  • Experience in the use of CAD / CAM software and the operation of CNC machines would be beneficial.
  • Unafraid to challenge the team and utilise relevant experience to drive towards the highest quality engineering output
  • Willingness to embrace innovation and creativity.
  • A proactive individual with strong commitment and self-motivation to be able to lead prototype test and evaluation activities
  • Good knowledge of statistical data analysis is desirable to draw meaningful conclusions from test data
  • Knowledge and experience of data acquisition and instrumentation

Note:

Due to the nature of work undertaken at Sub Sea 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…

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