Job Description

We are currently seeking an experienced Mechanical Stress Engineer to join our Commercial Modifications Engineering team in Europe on a contract / contingent basis. This is an exciting opportunity to play a key role in the certification of aircraft interior modifications, supporting high-profile programmes within a flexible, global engineering environment.

About the Role
As a contracted specialist, you will be responsible for delivering structural substantiation documentation for aircraft interior modifications, ensuring compliance with regulatory requirements and internal design organisation procedures.

Key Responsibilities

• Lead and deliver structural substantiation and certification activities for aircraft interior modification programmes

• Identify certification requirements and define substantiation approaches in collaboration with global teams

• Produce and review high-quality stress reports and supporting documentation, including:

• Seating installations
• Cabin monuments (galleys, lavatories, dividers, premium suites, VVIP interiors)
• Cabin reconfigurations (LOPAs, PSUs, LRU installations)
• Related structural considerations (e.g., fuselage interfaces, antenna installations)
• Develop detailed calculations, load paths, and justification aligned with regulatory expectations
• Support customer-facing certification milestones (ITCM, PDR, CDR, FAI)
• Ensure all outputs are auditable, traceable, and certification-ready
• Promote a culture of safety, quality, and continuous improvement

Typical Deliverables

• Complete structural substantiation reports aligned with certification plans

• Hand calculation packages and FEA models/results

• Certification compliance matrices, load cases, and assumptions records

Required Experience & Skills

• Degree in Aerospace, Aeronautical, or Mechanical Engineering (or equivalent)

• Minimum 5+ years' experience in aircraft structures/stress analysis

• Proven track record delivering modification substantiation, ideally within interiors

• Strong expertise in:
• Classical stress analysis and hand calculations
• Finite Element Analysis (FEA) tools and methodologies
• Authoring certification-ready technical documentation

• Working knowledge of EASA/FAA airworthiness requirements (CS-25, FAR 25, etc.)

• Experience with a Part 21J Design Organisation (or equivalent) is highly desirable

• Excellent communication skills and ability to manage multiple concurrent programmes

Contractor Profile

• Comfortable working under a statement of work, delivering to defined milestones and acceptance criteria

• Demonstrated experience producing high-quality substantiation documentation on schedule

• Strong attention to detail and professional integrity

• Adaptable, collaborative, and solution-focused mindset

Why Join?

• Work on leading aircraft interior modification programmes

• Collaborate with global engineering teams

• Apply your expertise in a high-impact, certification-focused environment

• Flexible hybrid working model

Applying
This is a 12-month contract and candidates should be prepared to complete relevant onboarding and security checks.
If you're a skilled Stress Engineer ready to contribute to complex aircraft modification programmes, we'd love to hear from you.
Apply now or get in touch for more details.