Senior Mechanical Engineer

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Senior Mechanical Engineer

Denham Martin-Baker is the worlds leading manufacturer of ejection and crashworthy seats, saving over 7,805 lives to date. We combine cutting-edge engineering with a clear mission: protecting aircrew around the world. We are now recruiting a Senior Mechanical Engineer to join our Mechanical Engineering team at our Denham site. The Role: As a Senior Mechanical Engineer, you will be responsible for generating robust, compliant, and commercially viable mechanical designs across the full product lifecycle

from concept through development, qualification, production, and in-service support. You will play a key role in ensuring engineering outputs meet regulatory, customer, and internal requirements while optimising manufacturability, safety, and performance. You will also mentor junior engineers and work closely with cross-functional teams to deliver high-quality aerospace systems within demanding technical and commercial environments. Key Responsibilities: Check and approve engineering drawings and documents for correctness, functionality, and compliance with best practice

Support Integrated Project Teams in defining and delivering all necessary engineering work for new and existing products

Translate customer and regulatory requirements into robust engineering specifications

Participate in trade studies to identify optimal, commercially viable design solutions

Carry out performance and structural calculations using hand methods, spreadsheets, and FEA tools

Produce top-level layouts, 3D models, and detailed engineering drawings

Generate and maintain engineering documentation including BOMs, DFMEAs, load/stress reports, tolerance analyses, and CE technical files

Support trial installations, customer visits, and design reviews

Conduct clearance, interchangeability, retrofit, and modification analyses

Identify and drive continual improvement opportunities across products and processes

Proactively identify and mitigate risks to safety, performance, quality, and delivery

Mentor and support junior engineers About You: We are looking for an experienced, proactive, and technically strong Mechanical Engineer with a passion for safety-critical aerospace products. Essential: Degree (1st or 2:1) in Mechanical or Aerospace Engineering (or equivalent experience)

Strong experience in mechanical design within aerospace, defence, or regulated engineering environments

Extensive experience using 3D CAD tools (e.g., NX) and producing high-quality engineering drawings

Strong understanding of materials, manufacturing processes, and design for manufacture and assembly

Experience conducting structural and performance calculations including FEA

Knowledge of GD&T to UK/US standards

Ability to produce and deliver technical reports and presentations

Strong problem-solving skills and sound engineering judgement

Excellent communication and stakeholder engagement skills Desirable: Chartered Engineer or working towards CEng

Experience with motion simulation tools (e.g., NX Motion, ADAMS)

Knowledge of aerospace/defence standards (e.g., MIL-STD, Def Stan)

Experience in CE certification

Hands-on manufacturing or assembly experience

Track record of innovative designs or patents Benefits: 9% non-contributory pension (18+)

Midday finish on Fridays

4x salary Life Assurance (18+)

Personalised training & development plan

Healthcare Cash Plan

25 days holiday + bank holidays

Option to purchase additional annual leave

Cycle to Work & nursery benefits

Discounts via the Martin-Baker+ platform Your Interview Journey: Initial Telephone Interview: A discussion with your Recruitment Business Partner

First Stage Interview (Microsoft Teams): Structured technical interview with the Hiring Manager

Final Stage Interview: Face-to-face interview Why Join Us? At Martin-Baker, your work directly contributes to saving lives. Youll be part of a collaborative, high-performance engineering environment working on safety-critical aerospace systems with real opportunities to make an impact. This role is subject to UK Government security clearance. Applicants must have the existing right to work in the UK and be currently residing in the UK.

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Location:
Gb
Job Type:
FullTime
Category:
Engineering

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