Senior Mechanical Engineer, Interceptor (Aerospace)

Location: Torrance, California, United States — full-time onsite, five days per week. Approximately 50% of the role involves travel to or work at remote test sites, primarily in the Mojave Desert and other locations outside Los Angeles.

Salary: $155,000–$200,000 annual base salary, plus potential stock options and company benefits.

Company

hirify.global is a vertically integrated space and defense company developing hardware for low-Earth-orbit missions, including satellite buses, in-orbit servicing robotics, and mission systems for U.S. national security applications.

What you will do

• Own the mechanical architecture and detailed design of interceptor structures, motor mounts, propulsion interfaces, avionics packaging, mechanisms, enclosures, fixtures, and ground-support equipment.
• Translate incomplete requirements, loads, environmental conditions, packaging constraints, and subsystem interfaces into practical mechanical designs.
• Lead hardware through CAD, drawings, design reviews, supplier coordination, fabrication, inspection, assembly, integration, testing, failure investigation, and redesign.
• Provide technical direction and design reviews to junior and mid-level engineers while improving manufacturability, documentation, and design quality.
• Work directly with machinists, technicians, suppliers, and test teams to resolve manufacturing, assembly, and integration issues.
• Plan and execute structural, environmental, propulsion-related, and vehicle-level tests, including field operations, troubleshooting, repair, and follow-on testing.

Requirements

• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical field.
• At least five years of professional experience in rocketry, missiles, launch vehicles, propulsion, or a closely related aerospace field.
• Experience owning rocket or missile hardware from design through manufacturing, assembly, and test.
• Strong skills in 3D CAD, production drawings, GD&T, tolerance analysis, material selection, fastening methods, and design for manufacturing and assembly.
• Practical understanding of structural mechanics, load paths, vibration, shock, thermal effects, propulsion constraints, and mechanical design calculations.
• U.S. citizenship is required; applicants must be authorized to work in the United States. The role is not eligible for visa sponsorship and may require eligibility for a U.S. government security clearance.

Nice to have

• Experience leading complex hardware development or serving as a technical lead.
• Experience working with fabrication suppliers and test teams to solve hardware problems.
• Eligibility to obtain and maintain a U.S. government security clearance.

Culture & Benefits

• Vertically integrated engineering environment with electrical, mechanical, software, manufacturing, integration, and test teams working closely together.
• Health, dental, and vision coverage with 100% company-paid employee premiums and 90% dependent coverage.
• 401(k) plan with company matching up to 3.5%.
• Stock option eligibility, paid holidays, vacation, and sick leave.
• Relocation support for qualifying positions, plus office snacks, drinks, and regular team events.