Subsea Craft
Mechanical Build Engineer
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Mechanical Build Engineer
Marine Sub-Systems Assembly & Testing Specialist
Salary: Up to £50,000 DOE Type: 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 – 25 days of annual leave plus bank holidays
- Wellbeing Day – An additional day each year to focus on personal health and wellbeing
- Private Healthcare – Comprehensive private healthcare coverage
- Life Assurance & Critical Illness Cover – 4x salary life assurance + critical illness protection
- Enhanced Family Leave – Maternity and paternity pay support
- Christmas Leave – Typical company shutdown observed
- Professional Development – Training programs and LinkedIn Learning access
- Pension Scheme – With salary sacrifice options
- Flexible Working – Opportunities for work-life balance
- Inclusive Culture – Values diversity, innovation, and collaboration
- Offsite Parking – Available
Key Responsibilities
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- Assemble marine sub-systems and support functional testing to validate system performance and sea-readiness
- Build and test marine propulsion components (engines, gearboxes, waterjets) to installational standards
- Identify, report, and address defects or issues during vessel construction and installation
- Install sub-system components following marine engineering specifications and design requirements
- Promptly escalate defects, material issues, or unclear documentation via correct reporting channels
- Interpret and follow detailed work instructions, including 3D models and digital platforms, in a marine engineering environment
- Assist with full vessel fit-out, ensuring all systems meet accuracy, security, and specification standards
- Adhere to safety procedures, work instructions, and project schedules for compliant delivery
- Maintain high-quality standards across build, safety, reliability, and marine compliance
- Attend relevant meetings to provide experience-based feedback for process improvement
- Travel for off-site marine craft testing, trials, or commissioning to ensure handover readiness
- Support the operations team with routine and reactive maintenance tasks and technical assistance
Qualifications & Experience
- Desirable: City & Guilds or HND qualification in Boat Building or Marine Engineering
- Experience with diesel and petrol engines
- Proficiency with hand tools and light machines
- Hands-on with waterjet installation and gearbox maintenance
- Computer literate with basic Microsoft Office skills
- Right to live and work in the UK with no barriers to obtaining required security clearance
- Note: Some roles require Baseline Personnel Security Standard (BPSS) and UK national security clearance (conditions apply)
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Our Values
Our people drive our success. We foster an agile, inclusive, and trusted workspace, ensuring a culture of:
- Teamwork, mutual respect, and collaboration
- Initiative and independent working
- Honesty and integrity
- Business and commercial awareness
- Agility, adaptability, and continuous development
Additional Notes
- All offers are subject to DBS, driving licence, and reference checks. Criminal records won’t automatically disqualify candidates—considered holistically.
- Due to high application volume, we aim to respond within 14 days to shortlisted candidates.
- If shortlisted, we’ll process personal data as outlined in our Privacy Notice.
- Adjustments for support/interaction are welcomed—contact us if needed.
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