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Mass Properties Engineer

United States, San Jose Employment contract 170000.00 - 215000.00 USD / Year · Job Posted March 10, 2026
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Job Description

Join Archer Aviation's Mass Properties team and play a critical role in bringing electric vertical takeoff and landing (eVTOL) aircraft from concept to certified reality. As a Mass Properties Engineer, you'll be the backbone of our weight and balance programs—ensuring every gram counts as we push the boundaries of sustainable urban air mobility. This isn't a desk job. You'll get hands-on with actual aircraft, manage data that directly influences flight performance, and see your work take to the skies.

Job Responsibility

  • Lead day-to-day execution of mass properties programs across multiple aircraft platforms
  • Build and maintain the master database tracking weight, CG, and inertia for all aircraft variants
  • Partner with design, structures, and systems teams to validate mass assumptions and drive weight optimization decisions
  • Manage the evolution of mass data from early estimates through measured flight hardware
  • Conduct aircraft inspections and lead weighing operations
  • Execute weight and balance audits that ensure flight safety and performance targets
  • Prepare documentation and analysis supporting FAA certification activities
  • Ensure all mass properties data meets regulatory requirements for weight and balance compliance
  • Implement tools and workflows that make data collection faster, more accurate, and more useful to the team
  • Identify opportunities to improve how we track and communicate mass properties across the program

Requirements

  • Bachelor's degree in Aerospace, Mechanical Engineering, or related STEM field (or equivalent practical experience)
  • 5-10 years of experience in mass properties, weight engineering, or related disciplines on aircraft or aerospace vehicle programs
  • Strong understanding of weight and balance principles for dynamic systems
  • Exceptional organizational skills with meticulous attention to detail
  • Comfortable moving between analytical work and hands-on data collection
  • Effective communicator who can translate technical data for cross-functional audiences

Nice to have

  • Proficiency with CAD tools (NX, SolidWorks, CATIA) for extracting mass properties from 3D models
  • Experience with ARP4754A certification processes
  • Direct experience conducting aircraft weighing operations or physical inspections
  • Background with eVTOL, rotorcraft, or novel aircraft configurations
  • Familiarity with database management or mass properties-specific software

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