Escape Recruitment Services
Senior Mechanical Design Engineer

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Principal / Senior Mechanical Design Engineer
Rosyth, Fife | £Excellent + benefits
Could you be trusted to give the final technical approval on a complex mechanical design? We’re recruiting a Principal Mechanical Design Engineer to act as a technical authority and design-sign-off engineer within an experienced mechanical engineering team.
You’ll review and approve engineering work, challenge weak assumptions and take responsibility for deciding whether designs are safe, properly substantiated and ready for release.
This isn’t primarily a CAD position. It requires strong mechanical fundamentals, credible calculation skills and the confidence to make and defend important design decisions.
The role
- Act as a technical authority for mechanical design.
- Review, challenge and approve designs produced by other engineers.
- Take responsibility for design sign-off and technical approval.
- Complete and review stress, bending, shear, fatigue and mechanical-integrity calculations.
- Produce clear design substantiation.
- Lead design reviews and make product-safety decisions.
- Support new products from concept through manufacture, testing and release.
- Mentor engineers and help strengthen engineering standards.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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About you
You’ll have substantial experience designing complex mechanical products, machinery or equipment.
You should be able to demonstrate:
- Formal responsibility for checking, approving or signing off designs.
- Strong first-principles calculations and design substantiation.
- The ability to identify weak assumptions or unacceptable technical risks.
- Sound judgement when making safety and performance-related decisions.
- Experience taking designs through manufacture and testing.
- The credibility to provide technical direction to other engineers.


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Experience involving hydraulics, actuation, rotating equipment, pressure equipment, heavy machinery or other safety-critical products would be particularly relevant.
Please note: Our client is not a sponsoring company. We will therefore only progress applications from candidates who already have unrestricted and non-time-restricted eligibility to work in the UK.
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