ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

We are seeking an experienced Senior Mechanical Engineer to support the development and delivery of complex aerospace products within a highly regulated engineering environment. This role is ideally suited to a mechanical engineer who has progressed beyond detailed design and developed significant expertise in requirements management, verification & validation, compliance documentation, and engineering governance.

Working within a long-term product development programme, you will take ownership of requirements throughout the engineering lifecycle, ensuring customer needs are translated into robust engineering solutions and successfully verified through to product delivery.

Key Responsibilities:

• Capture, analyse, manage, and maintain customer requirements throughout the full product lifecycle.
• Translate customer requirements into clear engineering and manufacturing activities for multidisciplinary teams.
• Review requirements for completeness, quality, consistency, and testability.
• Develop and maintain requirements traceability, verification plans, and compliance documentation.
• Generate engineering justifications and technical evidence to demonstrate compliance against customer and regulatory requirements.
• Participate in technical and design reviews, ensuring engineering solutions satisfy requirements.
• Work closely with manufacturing and production teams to ensure requirements can be effectively realised.
• Challenge existing requirements and drive continuous improvement in requirements quality and engineering processes.
• Support engineering governance activities within a structured aerospace environment.

Required Skills:

• Approximately 8-15 years of engineering experience within the aerospace sector.
• Strong mechanical engineering background within highly regulated industries.
• Experience in requirements capture, analysis, decomposition, and management.
• Good understanding of Verification & Validation (V&V) methodologies.
• Experience producing technical reports, compliance documentation, and engineering justification.
• Understanding of engineering lifecycle processes, governance, and configuration control.
• Ability to work effectively with both engineering and manufacturing stakeholders.
• Strong written communication and technical documentation skills.

Required Qualifications:

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

Desirable Skills:

• Experience using requirements management tools such as DOORS, Polarion, or Teamcenter. 
• Knowledge of manufacturing processes and production constraints.
• Understanding of machining and fabrication techniques.
• Familiarity with joining processes, including brazing.
• Materials knowledge, particularly aluminium structures and components.
• Understanding of vibration environments and their impact on mechanical systems.
• Ability to assess acceptable and non-acceptable behaviour under vibration conditions.

Why join us? 

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get: 

• A personalised career path and a rewarding management style 
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme 
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. 

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. 

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.