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# Mechanical Build Engineer

- **Company:** SubSea Craft Limited
- **Location:** Portsmouth, UK
- **Salary:** £40,000.0 - £50,000.0
- **Contract:** Permanent contract
- **Skills:** 3d Models, Computer Literacy, Microsoft Office, Subsystems, System Testing, Web Platforms, SC Clearance, Bug Reporting
- **Published:** September 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=45bee6c6ee7b30e3

## About the Role

* City & Guilds or HND qualification in Boat Building or Marine Engineering (desirable).

 * Experience working with diesel and petrol engines.

 * Experience with hand tools & various light machines.

 * Experience in waterjet and gearbox installation and maintenance.

 * Computer literate with basic knowledge of Microsoft Office.

Existing right to live and work in the UK and no known bar to obtaining appropriate UK security clearance as required .
*

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

## Description

* Pension Contribution - Pension scheme with the option to contribute via salary sacrifice.
 * Annual Bonus Scheme - Eligibility to participate in the company's annual discretionary bonus scheme, linked to individual and company performance.
 * Life Assurance and Critical Illness Cover - Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security.
 * Annual Leave - Entitlement to 25 days of annual leave plus bank holidays.
 * Christmas Leave - A Christmas shutdown is typically observed.
 * Wellbeing Day - An additional Wellbeing Day each year to focus on personal health and wellbeing.
 * Family Leave - Enhanced maternity and paternity pay.
 * Private Healthcare - Access to comprehensive private healthcare coverage to support your physical and mental wellbeing.
 * Professional Development - Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning.
 * 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:

 * Assemble marine sub-systems and support functional testing activities to assist with system validation and sea-readiness.

 * Build and test marine propulsion components - including engines, gearboxes, and waterjets - to a high standard, ensuring full readiness for installation.

 * Proactively identify , report, and provide input on any defects or issues encountered during vessel construction and system installation.

 * Install sub-system components into the vessel in line with marine engineering specifications and design requirements.

 * Report defects, material issues, or unclear documentation promptly. and through the correct process.

 * Accurately interpret and follow detailed work instructions, including those provided via 3D models and digital platforms, in a marine engineering environment.

 * Support the full fit-out of vessels, ensuring all equipment and systems are installed accurately, securely, and to specification.

 * Rigorously follow safety procedures, work instructions, and project schedules to ensure timely and compliant delivery.

 * Consistently produce work to the highest quality standards, with a strong focus on safety, reliability, and marine compliance.

 * Attend relevant meetings and offer constructive, experience-based feedback to support continuous improvement and build efficiency.

 * Travel to and support off-site marine craft testing, trials, or commissioning activities if required , seeing the craft through to commissioning to ensure a smooth handover and operational readiness.

Aid the operations team with routine and reactive maintenance tasks and provide hands-on technical assistance as needed.
*