• Mass Properties Engineer - New Glenn

    Job Locations US-WA-Kent
    New Glenn
    Job ID
  • Overview

    As part of a small, passionate and accomplished team of experts, you will be responsible for determining, controlling, and documenting mass properties for launch vehicles and spacecraft throughout all phases from conceptual design, development, production, deployment, and post-flight. This position will directly impact the history of space exploration and will require your dedicated commitment and detailed attention towards safe and repeatable spaceflight.


    • Allocate, estimate and manage mass properties requirements, margins and weight growth allowances throughout the entire product lifecycle
    • Verify that the hardware meets requirements and that the mass properties model is an accurate representation of the flight vehicle
    • Perform conceptual mass properties calculations from geometric approximations
    • Perform detailed mass properties calculations from 3D CAD models and released drawings
    • Generate launch vehicle distributed mass profiles (cg and moments of inertia)
    • Verify component, subsystem and system mass properties data by interfacing with members of the design, integration, and test team
    • Plan, develop and execute weight and balance testing to measure center of gravity and moment of inertia
    • Manage payload and ballast configurations to maintain appropriate weight and center of gravity
    • Development of system requirements, flowdown, and verification
    • Maintain mass properties records


    • Minimum of a B.S. degree in mechanical or aerospace engineering
    • 5+ years of experience with mass properties/weight control in an aerospace environment.  Knowledge of weight growth allowance methods.
    • Ability to demonstrate technical expertise in a wide range of aerospace subsystems including:  propulsion, structures, electronics, and ground support equipment
    • Knowledge of systems engineering practices, fabrication and integration processes, and quality control
    • Extensive computer skills including MS Excel, MS Access, MATLAB, and CAD (ProEngineer preferred) 
    • Ability to solve a variety of complex problems using analytical methods, simulation, and hands-on experimental testing
    • Track record of resourcefulness
    • Experience identifying and resolving mass property threats and opportunities
    • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum


    • Knowledge of launch and space vehicles
    • Experience in developing and improving mass properties tool chains that interface with a CAD toolset
    • Experience developing work orders and test procedures
    • Familiarity with requirement development and flowdown
    • Design experience including analysis and drawing development
    • Familiarity with knowledge capture systems, integrated engineering tools and rapid development processes
    • Experience in a small company and/or startup environment



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