Mass Properties Engineer (Aerospace)

TL;DR

Mass Properties Engineer (Aerospace): Leading weight and balance programs for eVTOL aircraft with an accent on data integrity, regulatory compliance, and cross-functional design validation. Focus on managing master mass databases, conducting hands-on aircraft weighing operations, and driving weight optimization throughout the product lifecycle.

Location: Must be based in San Jose, California

Salary: $170,000 - $215,000

Company

hirify.global is an aerospace company building all-electric vertical takeoff and landing (eVTOL) aircraft to advance sustainable urban air mobility.

What you will do

• Lead day-to-day execution of mass properties programs across multiple aircraft platforms.
• Maintain the master database tracking weight, center of gravity, and inertia for all aircraft variants.
• Partner with design and structures teams to validate mass assumptions and drive weight optimization.
• Conduct aircraft inspections and lead physical weighing operations on the factory floor.
• Prepare documentation and analysis to support FAA certification and regulatory compliance.
• Implement tools and workflows to improve data collection and communication across the program.

Requirements

• Must be based in San Jose, California
• Bachelor's degree in Aerospace, Mechanical Engineering, or related STEM field.
• 5-10 years of experience in mass properties or weight engineering on aircraft or aerospace vehicle programs.
• Strong understanding of weight and balance principles for dynamic systems.
• Must be authorized to work in the US without sponsorship
• Ability to move between analytical office work and hands-on data collection on the factory floor.

Nice to have

• Proficiency with CAD tools such as NX, SolidWorks, or CATIA.
• Experience with ARP4754A certification processes.
• Background with eVTOL, rotorcraft, or novel aircraft configurations.
• Familiarity with database management or mass properties-specific software.

Culture & Benefits

• Mission-driven work focused on sustainable urban air mobility.
• Pay-for-performance culture rewarding business strategy impact.
• Commitment to an equitable and inclusive workplace environment.
• Hands-on engineering environment with direct exposure to flight hardware.