Mechanical Engineer (Defense Technology)

Location: On-site in Huntington Beach, California, United States

Salary: $105,000–$140,000 for Engineer and $140,000–$180,000 for Senior, plus equity

Company

hirify.global is a defense technology startup developing scalable, decentralized autonomous defense platforms and advanced manufacturable hardware.

What you will do

• Own subsystem-level mechanical design from CAD concepts and prototypes through mass production.
• Integrate mechanical systems with sensors, actuators, and embedded control hardware.
• Lead hands-on testing, design validation, and hardware iterations based on performance feedback.
• Drive manufacturability, part selection, tolerance stack-ups, and scalable production decisions.
• Apply thermal, structural, and materials engineering fundamentals to create robust, lightweight designs.
• Develop test plans, technical documentation, engineering reviews, analytical models, simulations, and trade studies.

Requirements

• At least 1 year of mechanical engineering experience designing and prototyping mechanical systems, including professional, hobby, or academic experience.
• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, Electrical Engineering, or a related field.
• Strong 3D modeling and CAD skills with tools such as NX or SolidWorks.
• Hands-on ownership of end-to-end hardware development projects, such as FSAE, DBF, Rocket Team, or similar.
• Programming experience with Python, MATLAB, or C++ for analytical modeling, simulation, and engineering problem-solving.
• Must be authorized to work in the United States; the role may involve access to technology controlled under EAR and ITAR.

Nice to have

• Experience with lightweight materials, composites, or additive manufacturing.
• Experience with FEA or multiphysics software.
• Knowledge of aerodynamics, fluid dynamics, or thermal management applied to mechanical systems.

Culture & Benefits

• Startup-oriented environment focused on rapid innovation and advanced defense manufacturing.
• Health, dental, and vision insurance.
• Retirement savings plans and paid time off.
• Equity participation and performance-based incentives.
• Funding for continuing education, training, and professional development.
• Support for critical project milestones may include extended hours or weekend work.