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Full time
Engineering
Principal Mechanical Engineer
Systems Engineering and Assessment LimitedBristol, South West England🇬🇧United KingdomPosted 22 Jul 2026
Quick Overview
Salary
£62k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Leader
Job Description
Engineered to Protect, thats our promise, we protect what matters - our nations, our waters, our land, our cities, our people, our environment, our world. As Principal Mechanical Engineer, you'll play a key role in leading the delivery of mechanical engineering solutions across the engineering lifecycle, ensuring that standards are met for quality, safety, performance, and reliability.
The Principal Mechanical Engineer can be based at any of our sites, Bristol, Beckington, or Barnstaple, but with regular visits to Barnstaple. This role allows for flexible working.
The salary for this role is up to £62k, depending on experience.
What you'll be doing
- Conduct mechanical engineering detailed design, analysis, tolerance studies (including GD&T) and generation of technical documentation (design specifications, test specifications etc) and manufacturing data packs (MDP) to relevant standards including BS8888
- Regularly report into Project Management and Engineering Leadership teams to provide accurate status updates and identify risks, opportunities and dependencies as they emerge
- Ensure clear communication and collaboration within the Mechanical Engineering project team, other engineering functions and project stakeholders, and provide technical direction and task management to junior engineers
At SEA, we develop and deliver advanced solutions to make our world safer, cleaner and more efficient. We provide state-of-the-art applications for naval ship and fleet protection, and undersea surveillance systems. In-service across the globe, our systems deliver a rapid response to threats and system effectiveness and interoperation. Our systems support an ever-growing number of navies across the world, and we continue to bolster our already specialist, on-the-ground knowledge of key overseas markets.
What we offer
At our core, we encourage innovation, flexibility and out-of-the-box thinking to solve problems, so were always looking for talented, flexible, and creative people to bring their best to SEA. In return we offer generous rewards, a fantastic work/life balance, and excellent career and training opportunities for everyone who joins. Have?a look at?the benefits we offer:
Work life balance
- Hybrid/flexible working arrangements
- 25 days annual leave, plus buy and sell
- Up to 16 days flexi leave accrual
- Half day Fridays
- Reservists in the?Armed?Forces receive special paid leave
- Private medical health insurance & Employee Assistance Program
- Health Cash Plan
- All Staff Bonus
- Group Pension Plan of up to 8% employer contribution
- Cycle to work scheme
- Wellbeing Centre
- Sports & Social activities
- Employee Discounts portal - online and in-store discounts, travel savings
- Life assurance policy
- Publication and recruitment bonus rewards
- Development opportunities, including LinkedIn learning
- Electric vehicle charging points at all sites
- Private seated lunch areas
- Onsite bistro (Barnstaple office) and free hot and cold beverages
- Onsite showers and toiletries provision
- Free onsite parking
If youd like to know more, please give Dave from our Talent Acquisition Team a call on 03330 04142172. Or reach out to us on
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