Principal Mechanical Design Engineer

Overview

You will shape mechanical solutions that influence critical systems across their full life cycle, giving you the scope to apply your judgement and progress your technical leadership. This role offers the stability of long‑term programmes with the freedom to take ownership of challenging design decisions.

Who we are looking for

• Eligibility for security clearance.
• Strong mechanical design expertise across concept, development and in‑service stages.
• Experience leading technical work within multi‑disciplinary environments.
• Ability to engage suppliers and contribute to structured design reviews.

Salary and rewards

£50,000 per year.

What you will be doing

• Leading mechanical design activities that support products from early concepts through to in‑service operation.
• Guiding design maturity to meet performance, safety, cost and schedule requirements.
• Collaborating with engineering, manufacturing, quality and supply chain teams to resolve complex technical issues.
• Supporting proving and qualification activities to demonstrate compliance with demanding standards.
• Contributing to design decisions that shape long‑term system performance.

Your experience

• Mechanical engineering qualification or equivalent industry experience.
• Ability to lead design packages and coordinate inputs from multiple disciplines.
• Strong understanding of design methodologies including DFMEA, DFA and DFM.
• Experience mentoring colleagues and supporting structured decision making.
• Familiarity with CAD or CAE tools.
• Understanding of structural, thermal or dynamic analysis is advantageous.

Why you will enjoy working here

You will enjoy practical benefits including company performance bonus, paid overtime options, flexi leave of up to 15 days, flexible working arrangements and structured training and development.

Where you will work

Hertfordshire, hybrid working.

Share your profile to arrange a short confidential call this week. You will be represented by a specialist technical recruiter who will guide you through each stage of the process.

Additional Information

This is a permanent role.

Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to high technology industries. Thank you for your interest. If you do not hear from us within seven working days, please presume your application has been unsuccessful on this occasion. You may resubmit your CV or details in the future, and we shall assess your suitability then.