Mechanical Design Engineers (Propulsion)

Location: On-site in San Luis Obispo, California, United States. Candidates must be U.S. Persons and authorized to access U.S. export-controlled information and facilities.

Salary: $115,000–$150,000 for Engineer and $155,000–$195,000 for Senior, plus equity.

Company

hirify.global is a defense technology startup developing next-generation autonomous defense platforms and scalable propulsion systems.

What you will do

• Design turbojet engine components and subsystems using Siemens NX, CAD, CFD, and FEA.
• Create 3D models and 2D drawings optimized for manufacturing and performance.
• Participate in concept generation, trade studies, prototyping, testing, and design iteration.
• Work directly with test teams to validate propulsion hardware.
• Collaborate with fabrication, machining, test, and engineering teams to deliver components on schedule.

Requirements

• Bachelor’s degree in Mechanical, Aerospace, Electrical Engineering, or a related field.
• At least 1 year of experience with propulsion, powertrain, or mechanical assemblies involving high-speed rotating hardware.
• Proficiency in Siemens NX and familiarity with PLM tools such as Teamcenter.
• Working knowledge of ASME Y14.5, tolerance control, structures, materials, and manufacturing processes.
• Experience with prototyping and testing in laboratory or shop environments.
• Must be a U.S. Person and authorized to work in the United States; access to export-controlled technology may require authorization without export-license sponsorship.

Nice to have

• Experience with turbomachinery, small turbine engines, or air-breathing propulsion systems.
• Knowledge of high-rate manufacturing and DFM principles.
• Experience with composites and high-temperature alloys.
• Experience designing test rigs, integrating components, or validating hardware.
• Understanding of defense or aerospace regulations and qualification processes.

Culture & Benefits

• Startup environment focused on rapid manufacturing and hands-on engineering.
• Equity participation through stock options or equity grants.
• Health, dental, and vision insurance.
• Retirement savings plans and paid time off.
• Funding for continuing education, training, and professional development.