Senior Design Engineer

Orion Electrotech; Marlow; On-site; GBP 125,000 - 150,000; Full time

Job summary

A leading aerospace innovation company in Marlow is seeking a Senior Mechanical Design Engineer to oversee complex design projects for defence and aviation. The ideal candidate will have over 8 years of experience, a degree in Mechanical Engineering, and proficiency in FEA/CFD simulations. This role involves full lifecycle mechanical design and leading cross-functional teams. The successful candidate can expect a competitive salary of up to £65,000 based on experience.

Qualifications

• 8 years' experience in aerospace or defence engineering.
• Chartered Engineer status or working towards.
• Proven record in delivering mechanical design solutions.

Responsibilities

• Conduct FEA and CFD simulations to validate designs.
• Lead projects with cost, schedule, and quality responsibilities.
• Produce engineering documentation per BS8888 and ISO standards.

Skills

FEA and CFD simulation

Mechanical design

Project leadership

Knowledge of composite materials

Materials and finishes expertise

Education

Degree in Mechanical Engineering

Tools

Simulation tools (FEA/CFD)

Job description

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Senior Mechanical Design Engineer – Aerospace &; Defence

Marlow Up to £65,000 DOE Benefits

A leading name in aerospace innovation is looking for a Senior Mechanical Design Engineer to take ownership of complex, high-integrity design projects that support global defence and civil aviation programmes.

This is a technically senior role with real influence. You’ll be responsible for full lifecycle mechanical design, from initial concepts through to final delivery, on a range of mission-critical products used in airborne environments.

The Opportunity

You’ll work on the development of aerospace systems, leading design activity and supporting the wider engineering team. Expect a fast-paced, collaborative environment where your expertise will directly shape high-performance solutions.

Key Responsibilities

• Conduct FEA and CFD simulations to validate performance and structural integrity
• Act as Lead Engineer on key projects, with responsibility for cost, schedule, and quality
• Produce engineering documentation and drawings in line with BS8888 and ISO standards
• Provide technical guidance to junior engineers and drive continuous improvement
• Support legacy product upgrades, tooling improvements, and obsolescence management

About You

• Degree-qualified in Mechanical Engineering (or related discipline)
• 8 years’ experience in aerospace or defence engineering
• Chartered Engineer status (or working towards)
• Proven track record of delivering mechanical design solutions through the full product lifecycle
• Strong understanding of materials, finishes, and environmental factors
• Confident using simulation tools (FEA/CFD) to influence and validate designs
• Comfortable leading projects and working cross-functionally in a multi-disciplinary team
• Knowledge of composite materials and manufacturing techniques
• Familiarity with requirements management and project engineering

This is a chance to join a high-performing engineering team that takes pride in technical excellence, problem-solving, and precision. If you're looking for a role that challenges and rewards in equal measure, this is it.

Please ‘APPLY NOW’ or reach out to Ellie at Orion Electrotech.

Thank you for your application. Due to the volume of applications, we receive, unfortunately we are not able to respond to every application personally, therefore, if you have not heard back from us within 5 working days, please assume your application has been unsuccessful. To see our other available vacancies please visit our website.