Senior Mass Properties Engineer

Staff/Senior Mass Properties Engineer About Electra

At Electra, we are building the EL9 – a nine‑passenger, hybrid‑electric aircraft that takes off and lands in 150 feet. Our Ultra Short technology unlocks thousands of new operating locations and enables quiet, point‑to‑point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation.

A global company headquartered in Manassas, VA, Electra is backed by Lockheed Martin, Honeywell, and Safran. We have filed for FAA Part 23 type certification and carry 2,000+ intent to purchase orders from operators worldwide. With a team of roughly 100 people, we are moving fast toward first EL9 test flights in 2027 and certification by late 2029 or 2030.

Every hire matters at this stage – and this role is no exception.

Electra is seeking a Staff/Senior Mass Properties Engineer to support the development of our EL9 Ultra Short aircraft. This is an incredible opportunity to make a direct impact on a cutting‑edge development program.

• Support the mass properties control and management execution across for the EL9 program.
• Conduct advanced design weight estimation to develop preliminary weight estimates to support advanced design proposals, prototyping efforts, trade studies, etc.
• Develop current and forecasted weight, balance, and mass properties data.
• Perform estimation, calculation, and measurement/verification of mass, center of gravity, and inertias of components, assemblies and completed systems.
• Develop mass properties processes and tools to be implemented across Electra.
• Coordinate with SMEs across the program to understand weight impacts of design decisions.
• Support the development and presentation of weight status or technical data to design teams and program leadership.
• Review and support detail and installation drawing release processes.
• Work under minimal direction.
• Exhibit excellent written and verbal communication skills and enjoy working in a team environment.

• B.S. in a STEM discipline.
• 5–10 years of mass properties experience.
• Experience with applicable industry‑recommended mass properties practices.
• A strong work ethic and ability to independently execute the areas described by the responsibilities and essential functions.
• Excellent organization and communication skills.
• Other duties as assigned.

• Advanced degree preferred.
• Experience with 3D solid modeling software applications (preferably NX) and product data management tools (Team Center).
• Demonstrated knowledge of Federal Aviation Regulations (FARs), certification procedures (especially Part 23), and relevant industry standards.
• US Person Preferred.

Level (Staff or Senior) will be determined based on the candidate’s experience, education, demonstrated skills, and degree of independence and autonomy.

Both levels require a strong foundation in engineering principles and the ability to solve complex technical problems. Differentiation between levels is based on degree of ownership, autonomy, and influence.

• Experienced with frequent application of technical standards, principles, and theories.
• Works under general supervision to solve technical problems of moderate scope and complexity.
• Executes defined scope of work with growing independence.
• Contributes to system integration, supplier coordination, and technical problem‑solving.

• Demonstrates a complete understanding and wide application of engineering principles, theories, and concepts.
• Works under limited direction to solve a wide range of complex technical problems.
• Independently determines and develops approaches to solutions.
• Owns technical scope such as supplier oversight, integration activities, and compliance efforts.
• Drives issue resolution and collaborates effectively with minimal guidance.

$110,000 – $155,000 annually. This range reflects the anticipated hiring range across all eligible locations; actual compensation is determined based on relevant experience, skills, and geographic location. Total compensation includes performance bonus…