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