Sr. Mechanical Design Engineer
Armstrong Aerospace, Inc. - Itasca, IL

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Responsible for developing the installation design required to install communications, navigation, and in-flight entertainment electrical components/systems onboard commercial aircraft.


  • Work with the customer to understand line replaceable unit (LRU) operating and installation specifications and requirements.
  • Work with national and global engineering partners to understand system architecture and functionality, as well as the integration and interaction of the system with the aircraft and design responsibility.
  • Conduct aircraft surveys to determine circuit breaker, relay, disconnect, LRU layout and positioning, and potential wire, cable and harness routing pathways as well as potential installation challenges associated with the existing aircraft structure and retrofit installs.
  • Work with electrical systems engineers to design and develop the system installation to address wiring, cable and harness functionality, and the associated requirements and interfaces.
  • Develop the design for antenna and radome installations, LRU installations, harness routing and clamping, circuit breaker and relay installation, pre-wired avionics pallet and rack assemblies, and installation of pre-wired avionics pallet and rack assemblies.
  • Develop/design the system installation to satisfy competing design requirements including: cost, producibility, electrical interface, thermal/cooling, aero loading, structural loading, electromagnetic interference, etc.
  • Develop parts lists/BOM’s for piece-part, assembly and installation designs.
  • Produce piece-part, assembly and installation drawings requisite to effectively communicate manufacturing data and installation design.
  • Work with aircraft mechanical and installation teams to troubleshoot system installation and operation problems as well as execute certification and operability testing.


Bachelor of Science Degree in Mechanical or Aerospace Engineering or in a related technical and/or equivalent field; Familiarity and/or experience working with a 3D CAD package (preferably Autodesk Inventor), a 2D CAD package (preferably AutoCAD); and experience with electrical/mechanical design and developing piece-part, assembly and/or installation models and drawings is required. Direct aircraft experience with product design is a must!

The ideal candidate will also possess two-plus years of experience working in the aviation/aerospace industry working with and developing electromechanical systems. A fundamental understanding of and/or experience with linear elastic material structural response to static loading conditions, damage tolerance analysis techniques and familiarity supporting/mentoring sheet metal and cable/harness manufacturing and assembly functions is preferred.

About this company
Armstrong Aerospace is an innovative aviation engineering, design and manufacturing company that upgrades aircraft with new technology. We...