Aerospace Mass Model Engineer

Location: Manassas, VA
Job Code: 1699
# of openings: 2


Job Qualifications:

  • 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 air vehicle

  • Generate aircraft 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

  • Interface with design IPT members to review and direct mass model updates

  • 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

  • Provide mass model reporting during weekly and monthly reviews with the customer

Specific Responsibilities:

  • Maintain and control the mass model for an Unmanned Aircraft System

Minimum Requirements:

  • Minimum of a B.S. degree in mechanical or aerospace engineering

  • 4+ 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

  • Experience in creating, developing, and improving mass properties tool chains that interface with a CAD toolset

  • Familiarity with Society of Allied Weight Engineers (SAWE) best practices, guidelines, and procedures

  • Ability to work in a collaborative team environment and to communicate with multiple levels in the organization

  • Must have excellent organizational and interpersonal skills, with a positive attitude

  • Must be prepared to interact with internal and external team members and customers

  • Must be a U.S. person

  • Ability to obtain a Secret level security clearance


  • Knowledge of unmanned aircraft and space vehicles

  • Experience developing test procedures

  • Perform conceptual mass properties calculations from geometric approximations

  • Perform detailed mass properties calculations from 3D CAD models and released drawings

  • Familiarity with requirements development and flowdown

  • Experience with CATIA V5 / SmartTeam

  • Design experience including analysis and drawing development

  • Familiarity with knowledge capture systems, integrated engineering tools, and rapid development processes

Physical Requirements:

Primary functions require sufficient physical ability and mobility to work in an office setting and airport hangar environment; to stand or sit for prolonged periods of time; to occasionally stoop, bend, kneel, crouch, reach, and twist; to lift, carry, push, and/or pull light to moderate amounts of weight; to operate office equipment requiring repetitive hand movement and fine coordination including use of a computer keyboard; to travel to other locations, including aircraft manufacturing facilities, using various modes of private transportation; and to verbally communicate information.

Aurora Flight Sciences is an Equal Opportunity Employer

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