Mechanical Systems Design Engineer (Aerospace)

Location: San Francisco, United States; in-office five days per week is essential

Salary: $135,000–$170,000 per year

Company

hirify.global is a vertically integrated aerospace company developing sustainable supersonic aircraft, advanced airframe and propulsion technologies, and high-speed systems for commercial and government applications.

What you will do

• Own mechanical component and airframe integration hardware from concept and first-order analysis through qualification, vehicle integration, and flight.
• Perform trade studies and structural, thermal, and fluid analyses to guide component and system architecture decisions.
• Create detailed component designs and drawings using 3D CAD tools.
• Collaborate with propulsion, structures, avionics, controls, and manufacturing teams on system integration.
• Specify, select, and qualify off-the-shelf and custom components with suppliers.
• Develop hardware test plans, analyze test data, and provide hands-on support during prototyping, builds, ground testing, and flight campaigns.

Requirements

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 2–5+ years of experience designing, integrating, or testing fluid or mechanical systems.
• Strong knowledge of manufacturing processes, precision measurement, and GD&T.
• Proficiency with NX, CATIA V5, SolidWorks, or similar 3D CAD tools for routing, packaging, and component design.
• Understanding of mechanical systems, fluid mechanics, heat transfer, and related analysis methods.
• Hands-on hardware fabrication, assembly, or testing experience, with initiative in a fast-moving development environment.

Culture & Benefits

• Flexible work environment with a strong emphasis on in-office collaboration.
• Medical, dental, and vision insurance with Flexible Spending Accounts.
• 401(k) program and transparent stock option plan.
• Self-managed time off, including PTO, paid holidays, and sick time.
• Flat, engineering-focused culture with a pragmatic and collaborative working style.