Design Engineer – UAV Airframe

5 days ago

Mumbai Metropolitan Region, India Defy Aerospace Full time ₹ 20,00,000 - ₹ 25,00,000 per year

About Us:

At Defy Aerospace, we are building next-generation unmanned aerial systems (UAS) designed for demanding environments and real-world applications. Our engineers take ownership of 
complete UAV design engineering
 — spanning structures, subsystems, integration, and compliance — while working in a fast-paced, innovation-driven environment.

We are seeking a
Design Engineer
 with
5–10 years of experience
to lead and deliver design engineering activities across the UAV program.

Key responsibilities:

  • Take ownership of 
    UAV design engineering
     from concept through prototyping and testing.
  • Lead structural and subsystem design, covering:
  • External geometry (skins, aerodynamic surfaces, control surfaces).
  • Internal layouts (spars, ribs, bulkheads, payload & battery bays, mounting trays).
  • Develop detailed 
    3D CAD models, assemblies, and 2D drawings
     with
    GD&T
    using 
    CATIA V5 / 3DEXPERIENCE (mandatory)
    .
  • Design 
    composite sandwich structures
     (carbon fibre + honeycomb/foam cores) and 
    metallic structures
     (CNC-machined aluminium/titanium).
  • Define 
    load paths and structural concepts
     (wing box, fuselage frames, landing gear attachments).
  • Integrate 
    propulsion mounts, avionics racks, payload hardpoints, and access hatches
     into the structure.
  • Perform 
    preliminary structural analysis
     (stiffness, stress, buckling) and work with analysis engineers for FEA/CFD validation.
  • Manage 
    mass properties and CG discipline
     across components and subsystems.
  • Generate and maintain 
    BoMs, revision control, and design documentation
     in line with aerospace gated processes.
  • Follow strict 
    documentation and data discipline
    : ensure drawings, BoMs, weight reports, and design changes are traceable and released through proper processes.
  • Participate in 
    PDR, CDR, TRR
     and deliver design packages to required standards.
  • Support 
    tooling design, prototyping, and hands-on testing
     during builds and flight trials.

Required Qualifications:

  • Bachelor's/Master's degree in Aerospace, Mechanical, or Structures Engineering.
  • 5–10 years
     of experience in UAV/aircraft design engineering.
  • Hands-on expertise in 
    CATIA V5 / 3DEXPERIENCE (mandatory)
    , including surface modelling.
  • Strong knowledge of 
    composite and metallic design/manufacturing methods
     (pre-preg, autoclave, CNC).
  • Experience designing 
    primary load-carrying structures
     (spars, ribs, bulkheads).
  • Understanding of 
    FEA processes
     (ANSYS/NASTRAN/Abaqus) and CFD workflows.
  • Proven experience in 
    documentation, change management, and gated aerospace processes
     (PDR, CDR, TRR).

Industry Standard Awareness:

  • ASTM F3322-18
     – Guidelines for sUAS design and manufacture.
  • MIL-HDBK-17
     – Composite material guidelines.
  • ISO 14955
     – Static and fatigue testing for composites.
  • ARP4761
     – Safety assessment of airborne systems.
  • FAA Part 107 regulations
     – UAV operational requirements.
  • Global standards: 
    ISO 10209, ISO 13399, ISO 14649
    .
  • Structural codes: 
    Eurocode, ASCE/SEI 7, AISC 360
    .
  • Indian standards: 
    IS 800, IS 456, IS 3370
    , adapted for UAV applications.

Join us and :

  • Own the complete design of 
    next-gen UAVs
  • Work at the intersection of 
    innovation and applied aerospace technology
    .
  • Be part of a small, high-impact team shaping UAVs built for challenging environments.

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