Stress Engineer - Mechanical

Indotronix Uk; Burgh Heath; Hybrid; GBP 74,000 - 105,000; Full time

Job summary

IIC is seeking a (Mechanical) Stress Engineer for Aircraft Modifications in Frimley. The role is hybrid (3 days onsite) on a 12-month ongoing contract, with a stated hourly rate around 65.

You will deliver structural substantiation and certification for cabin interior modifications, producing stress analyses, reports, and certification evidence across global programmes. Responsibilities include detailed stress calculations, load-path analyses, certification of seating installations and cabins,

Qualifications

• Degree in Aerospace, Aeronautical or Mechanical Engineering.
• Significant experience in aircraft stress analysis or substantiation.
• Knowledge of EASA/FAA airworthiness regulations CS-25/FAR 25.
• Experience with interior modification certification reports.
• Proficient in FEA and hand calculations.

Responsibilities

• Deliver structural substantiation and certification for interior mods.
• Author certification-ready stress analyses and substantiation docs.
• Perform detailed stress calculations and load-path analyses.
• Support cabin modifications certification including seating, galleys, PSUs.
• Assess interfaces between interiors and primary/secondary structures.
• Produce hand calculations, FEA models, stress reports, and validation packs.
• Support technical reviews and customer-facing discussions.
• Ensure documentation is accurate, traceable, auditable, compliant.
• Collaborate with multidisciplinary teams across programmes.
• Promote quality, safety and continuous improvement.

Skills

Stress analysis

FEA

Certification documentation

Engineering hand calculations

EASA/FAA knowledge

Interdepartment collaboration

Technical report writing

Education

Bachelor's degree in Aerospace/Aeronautical/Mechanical Engineering

Tools

FEA software

Job description

Role: (Mechanical) Stress Engineer Aircraft Modifications

Location: Frimley

Duration: 12 months - ongoing

Role Type: Hybrid 3 days onsite

Salary: Around 65 an hour, depending on experience

Overview

For our globally renowned aerospace client, they are seeking a (Mechanical) Stress Engineer Aircraft Modifications to join the client's Commercial Modifications Engineering, supporting the certification and delivery of aircraft modification programmes. The role focuses on providing structural substantiation and certification support for a wide range of aircraft interior modifications, ensuring compliance with regulatory, airworthiness, customer, and organisational requirements.

Working within a collaborative global engineering environment, the successful candidate will be responsible for delivering high-quality stress analysis, substantiation reports, and certification documentation in support of both current and future aircraft modification programmes.

Key Responsibilities:

• Deliver structural substantiation and certification activities for aircraft interior modification programmes.
• Develop and author certification-ready stress analysis and substantiation documentation supporting aircraft modifications.
• Perform detailed stress calculations, structural assessments, load path analysis, and engineering justifications to demonstrate compliance with airworthiness requirements.
• Support certification of cabin interior modifications including seating installations, monuments, galleys, lavatories, class dividers, premium cabin suites, Passenger Service Units (PSUs), Line Replaceable Units (LRUs), and cabin reconfiguration activities.
• Assess structural interfaces between aircraft interiors and primary or secondary aircraft structures where required.
• Produce hand calculations, Finite Element Analysis (FEA) models, stress reports, compliance documentation, and certification evidence packages.
• Support technical reviews, design reviews, certification meetings, and customer-facing engineering discussions.
• Ensure all engineering documentation remains accurate, traceable, auditable, and compliant with company procedures and regulatory requirements.
• Collaborate with multidisciplinary engineering teams across multiple programmes and international locations.
• Promote engineering excellence, quality, safety, and continuous improvement throughout project delivery.

Key Skills & Experience:

• Degree qualified in Aerospace, Aeronautical, Mechanical Engineering, or a related discipline.
• Significant experience in aircraft stress analysis, structural engineering, or aircraft modification substantiation.
• Strong knowledge of aircraft structures, load paths, structural interfaces, and certification requirements.
• Experience supporting aircraft interior modification programmes and cabin reconfiguration projects.
• Proficiency in classical stress analysis techniques and engineering hand calculations.
• Experience producing certification-ready structural substantiation reports and technical documentation.
• Proficient in Finite Element Analysis (FEA) and associated modelling tools.
• Working knowledge of EASA and FAA airworthiness regulations, including CS-25 and FAR 25 requirements.
• Experience within an EASA Part 21J Design Organisation environment is highly desirable.
• Strong technical report writing, problem-solving, and analytical skills.
• Ability to manage multiple workstreams and deliver to demanding programme schedules.
• Excellent communication and stakeholder management skills.

Sadly, sponsorship cannot be offered for this role

Anthony Howson

Account Manager Defence & Aerospace

[e-mail]

linkedin.com/in/anthony-howson

[phone]