Aerospace - Cabin Interiors Stress Analysis Engineer

Cyient; Hyderabad; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Cyient is seeking a Senior Aerospace Interior Stress Analysis Engineer with 6+ years of experience to join our Structures & Stress Engineering team. The ideal candidate will perform stress analysis of interior components, including seating, cabin panels, galleys, monuments, and overhead stowage units, and manage the complete substantiation lifecycle.

You will develop FE models in MSC Nastran/Patran/ANSYS, conduct hand calculations for verification, ensure compliance with FAR 25 / CS-25, and

Qualifications

• B.E./B.Tech/M.Tech in Aerospace, Mechanical, or Structural Engineering.
• 5–12 years of experience in aerospace interiors or aircraft structures.
• Proficient with MSC Nastran & Patran; hands-on with ANSYS.
• Strong knowledge of composite analysis and laminate theory.
• FAR 25/CS-25 airworthiness requirements.
• Experience with interior products: seats, panels, galleys, monuments.
• Proficiency in hand-calculation methods.

Responsibilities

• Stress analysis and substantiation for interior components.
• Develop FE models for interior structures.
• Perform static and dynamic analyses, including crash/HIC.
• Validate FEA results with hand calculations.
• Ensure compliance with FAA/EASA requirements.
• Collaborate with design engineers and DERs.

Skills

Stress analysis

MSC Nastran

Patran

ANSYS

Composite analysis

Hand calculations

Aerospace interior

FAR 25 / CS-25

Education

Bachelor/Master in Aerospace/Mechanical/Structural Eng

Tools

MSC Nastran

Patran

ANSYS

HyperMesh

FEMAP

CATIA V5/V6

SolidWorks

Job description

KEY RESPONSIBILITIES

• Stress Analysis & Structural Substantiation
• Perform linear and non-linear FEA using MSC Nastran/Patran, HYPERMESH, ANSYS, or equivalent FEM tools for aircraft interior structural components.
• Conduct static, dynamic (crash/HIC) for seating systems, passenger service units (PSUs), cabin panels, galleys, and monuments.
• Develop and maintain FE models for primary and secondary interior structures including composite and metallic assemblies.
• Execute hand calculations to validate FEA results and provide independent verification of structural margins.
• Perform stress substantiation per applicable FAA/EASA airworthiness regulations (FAR 25, CS-25) and OEM structural design requirements.

Product Scope — Interior Structures

• Seating Systems: Economy, business, and first-class seats including track attachment, lug analysis, seat pan, armrest, and recline mechanisms.
• Cabin Panels: Sidewall, ceiling, floor panels — including attachment interface, pressure, and inertia load analysis.
• Galley Structures: Full-size, quarter, and half-galley stress verification including trolley loads, utility connections, and monument interfaces.
• Monuments: Lavatories, crew rest modules, partition walls, dividers — structural adequacy under static and dynamic load conditions.
• Overhead Storage Bins (OSBs): Latching loads, hinge analysis, filling load cases, and door stop analysis.

Composite Structures

• Conduct composite laminate analysis — ply-by-ply stress, first-ply failure, progressive failure, and delamination assessment.
• Apply classical lamination theory (CLT) and failure criteria (Tsai-Wu, Tsai-Hill, Maximum Strain).
• Perform bonded joint and fastened joint analysis for composite-to-composite and composite-to-metallic interfaces.
• Collaborate with Materials & Process (M&P) team to define lay-up, fiber orientation, and repair schemes.

Certification & Documentation

• Prepare stress reports and substantiation packages in compliance with OEM (Boeing, Airbus, Embraer) and regulatory requirements.
• Support DER/DAR activities for FAA/EASA STC and TC projects.
• Interface with customer engineering, DERs, and certification authorities during design reviews and audits.
• Maintain traceability of load cases, assumptions, and analysis results through structured stress memo system.

Collaboration & Design Support

• Work closely with design engineers and program managers throughout the product development cycle (PDR, CDR, TRR).
• Provide design-to-stress feedback for weight reduction and structural optimization initiatives.
• Support test planning, interpret structural test data, and correlate with analytical predictions.
• Mentor junior stress engineers and review analysis deliverables for technical accuracy.

QUALIFICATIONS

Required Qualifications

• B.E. / B.Tech / M.Tech in Aerospace, Mechanical, or Structural Engineering.
• 5–12 years of stress analysis experience in aerospace interiors or aircraft structures.
• Proficiency in MSC Nastran & Patran (pre/post-processing, model building, load application).
• Hands‑on experience with ANSYS Mechanical or ANSYS Workbench for FEA.
• Strong knowledge of composite structural analysis and laminate theory.
• Working knowledge of FAR 25 / CS-25 structural airworthiness requirements.
• Experience with interior product types: seats, panels, galleys, or monuments.
• Proficiency in hand-calculation methods: margins, free-body diagrams, joint analysis.

Preferred Qualifications

• Experience with Airbus A320/A330/A350 or Boeing 737/777/787 interior programs.
• Familiarity with HIC (Head Injury Criterion) and 16g crash load analysis per FAR 25.562.
• Knowledge of ABD/DMC systems for composite material databases.
• Experience with Hypermesh or FEMAP as pre/post-processing tools.
• Familiarity with CATIA V5/V6 or SolidWorks for geometry interpretation.
• Exposure to STC / TC certification programs with an FAA/EASA DER.
• Knowledge of metallic and non-metallic fastener analysis (Hi-Lok, NAS, Cherry Max).
• Experience with seating TSO-C127b or TSO-C39 certification requirements.

TOOLS & SOFTWARE

Primary FEA & Analysis Tools

MSC Nastran MSC Patran ANSYS HyperMesh FEMAP

Design & Supporting Tools

CATIA V5/V6 SolidWorks MS Excel / VBA MATLAB Python

CORE COMPETENCIES

Technical

• Structural analysis & margin of safety computation
• FEM model development & validation
• Composite design & failure analysis
• Fatigue & damage tolerance assessment
• Load path interpretation & free-body diagrams

Professional

• Strong written & verbal communication
• Ability to work in multi-disciplinary project teams
• Structured problem-solving & analytical thinking
• Attention to detail in technical documentation
• Self-driven with ability to meet tight deadlines

We are seeking Senior Aerospace Interior Stress Analysis Engineer with 6+ years of experience to join our Structures & Stress Engineering team. The ideal candidate will have a strong background in structural analysis of aircraft interior components, including seating, cabin panels, galleys, monuments, and overhead stowage units. You will be responsible for the complete stress substantiation lifecycle — from concept through certification — ensuring structural integrity, airworthiness compliance, and weight optimization across multiple aircraft programs.