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Staff Engineer, Mass Properties - Ranger (R6353)

Shield AI· X-BAT Division – X-BAT Engineering - Configuration Design
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Seattle, WA$170k - $260kFull Time EmployeePosted 4d ago

About the role

Mass Properties Engineer focused on precise weight, balance, and inertia analysis for Shield AI’s Ranger autonomous aircraft, supporting performance trade studies, loads development, and verification across the product lifecycle.

Responsibilities

  • Lead and participate in system-level trade studies to optimize payload, propulsion, power distribution, thermal management, and flight dynamics.
  • Conduct mass properties estimation for early-stage designs, prototyping, and full-scale production.
  • Estimate, calculate, and verify weight, center of gravity, and inertia properties for components, assemblies, and complete aircraft systems.
  • Develop and refine analysis tools and methods for mass properties estimation and optimization.
  • Generate and maintain mass properties reports for engineering, manufacturing, and leadership teams.
  • Implement and execute mass properties verification tests to validate design assumptions.
  • Collaborate with cross-functional teams including aerodynamics, structures, avionics, propulsion, and manufacturing to ensure mass properties are controlled throughout development.
  • Maintain and update the mass properties database to track weight trends across vehicle programs.

Qualifications

  • B.S. in Aerospace Engineering, Mechanical Engineering, Material Science/Engineering, or related field.
  • 3+ years of experience in mass properties analysis within aerospace, defense, or high-tech vehicle development.
  • Proficiency in CAD software (SolidWorks, Siemens NX, or similar).
  • Familiarity with mass properties industry standards (ATA100, SAWE RP A-7, RP 7, RP 8, or predecessors).
  • Experience defining mass properties requirements and ensuring compliance across design iterations.
  • Experience developing and maintaining a Mass Properties Management and Control Plan.
  • Strong organizational skills and attention to detail.

Skills

Required:Mass properties analysisCAD softwareStandards familiarityMass Properties Management and Control PlanDocumentation & reporting

Benefits

  • Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity
  • Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
Last updated Oct 23, 2026. Interested? Apply on the company site.

About Shield AI

Autonomy for the world.

Our mission is to protect service members and civilians with intelligent systems.

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