Principal Stress Engineer

Position Overview

Principal Stress Engineer – Leighton Buzzard, Bedfordshire, UK. The role leads a global team of multidisciplinary engineers responsible for aircraft interior product design, development and in‑service modification, ensuring compliance with regulatory and airworthiness requirements.

• Lead global multi‑disciplinary engineering teams to design and deliver aircraft interior modification programmes, ensuring KPI achievement, schedule adherence, and stakeholder satisfaction.
• Own the engineering stress responsibility for galley upgrades, cabin reconfigurations, monument modifications, trim & finish changes, and airline customisation projects.
• Perform and approve structural assessments using hand calculations and computer‑based analysis methods, and develop substantiation reports and certification documentation.
• Provide technical leadership as SME, checker, and approver, resolving complex cross‑functional engineering challenges.
• Lead design reviews, engineering investigations, risk assessments, and quotation studies to support strategic program execution and customer requirements.

• At least 5 years experience in a technical engineering or stress role.
• Strong STEM background (degree highly desirable).
• Expertise in static FEM analysis for metallic and composite materials, with ability to develop modelling techniques and suggest improvements.
• Structural analysis expertise across classical static methods.
• Current or prior M1020 Check and Approval signatory status highly desirable.
• Experience with aircraft interior products and knowledge of FAA/EASA requirements a plus.
• Excellent communication skills and ability to negotiate outcomes with local and global stakeholders.

• Competitive salary and bonus scheme.
• Industry‑leading pension scheme with double match contribution up to 10%.
• Private healthcare, life assurance and group income protection.
• Employee Assistance Programme and flexible benefits platform.
• Annual leave buy/sell scheme.
• Flexible working arrangements.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, colour, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.