×
Register Here to Apply for Jobs or Post Jobs. X

Principal Mechanical Engineer

Job in City of Bristol, Bristol, Bristol County, BS1, England, UK
Listing for: Systems Engineering & Assessment (SEA)
Full Time, Part Time position
Listed on 2026-01-05
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 62000 GBP Yearly GBP 62000.00 YEAR
Job Description & How to Apply Below
Position: Principal Mechanical Engineer (Permanent)
Location: City of Bristol

About

The Role
Engineered to Protect, that’s 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 lead mechanical activities ensuring effective task management and prioritization for a medium sized team of Mechanical specialists for a range work of varying complexities. You'll play a critical role in ensuring the technical quality of design, testing, manufacturing and in-service support of mechanical hardware for commercial and military applications. You'll provide support and guidance to the wider project team on tasking, risk management, estimates and progress reporting to ensure that key project milestones are met.
The Principal Mechanical Engineer can be based at any of our three sites, Barnstaple, Beckington, or Bristol. This role allows for flexible working with a minimal expectation of 3 days per week in Barnstaple.
The salary for this role is £62k, depending on experience.

What you'll be doing

Ensure clear communication and collaboration within the Mechanical Engineering project team, other engineering functions and project stakeholders.
Provide leadership and technical direction / task management to ensure delivery of mechanical engineering solutions on-time, on-cost and on-quality.
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.
Support problem investigations and deliver effective solutions.
Line management for your team, including development discussions and regular 1:1 meetings.
About our company

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 we’re 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

Family & wellbeing

Private medical health insurance & Employee Assistance Program
All Staff Bonus
Group Pension Plan of up to 7% 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 Linked In learning Facilities & resources

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 The skills you need

In-depth knowledge of the design, test, manufacture and in service support of Mechanical hardware in both the commercial and military environments.
Thorough knowledge Of Military and Commercial Mechanical & Environmental design
standards including Def Stans, Mil Specs, CE/UKCA marking.
Significant experience in the detailed and system level design of hardware.
Detailed understanding of best practice Mechanical design process and metrics.
Chartered Engineer — or working towards chartered status is preferable.
Join us and be part of something smaller - with 500 people in the UK and Canada - doing something bigger: protecting what matters.

If you’d like to know more, please give Kelly from our Talent Acquisition Team a call on (phone number removed). Or reach out to us on (url removed)
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary