Senior Design Engineer (Aerospace & Defense Hardware)

Location: Los Angeles, California; full-time onsite presence five days a week

Salary: $150,000–$200,000 annually, plus stock options

Company

hirify.global builds AI-native manufacturing systems that integrate software, hardware, and physics to produce industrial-scale parts using advanced manufacturing technologies.

What you will do

• Design and redesign aerospace and defense hardware, including propulsion systems, heat exchangers, valves, fluid systems, turbomachinery, combustion devices, and lightweight structural components.
• Own component-level requirements, performance drivers, system constraints, and design tradeoffs across complex hardware programs.
• Lead first-principles redesigns that use additive manufacturing to enable new geometries, consolidated assemblies, improved performance, and reduced cost or lead time.
• Define and evaluate concepts considering materials, tolerances, thermal and structural behavior, manufacturability, qualification, and production scalability.
• Partner with engineering and operations teams, mentor less experienced engineers, and resolve advanced technical questions.
• Lead technical engagements with customer engineering teams and contribute to product, process, and technology roadmaps.

Requirements

• Bachelor’s degree in mechanical or aerospace engineering.
• At least 5 years of hands-on engineering experience in aerospace, defense, or a related high-performance industry.
• Experience leading complex hardware programs from concept through qualification and production.
• Experience designing or analyzing propulsion, thermal, fluid, turbomachinery, or high-performance structural systems.
• Deep systems-level understanding of complex mechanical hardware and component integration within larger assemblies.
• Ability to work onsite in Los Angeles five days per week.

Nice to have

• 10+ years of hands-on aerospace, defense, or related high-performance engineering experience.
• Familiarity with metal 3D printing and design for additive manufacturing.
• Experience mentoring engineers and providing technical direction.
• Experience carrying hardware through development, qualification, and production ramp.
• Strong first-principles reasoning, strategic thinking, and communication skills.

Culture & Benefits

• Inclusive, collaborative, learning-oriented culture with data-driven decision-making.
• Significant stock option package and employer-paid medical, dental, and vision insurance.
• Life insurance, traditional and Roth 401(k), paid vacation, sick leave, company holidays, and generous parental leave.
• Relocation assistance, flexible work hours, casual dress, and regular catered team-building events.
• Daily catered lunch and dinner with a stocked kitchenette.