Staff Mechanical Engineer (Aerospace/Defense)

Location: Full-time, on-site in El Segundo, California, United States.

Salary: $167,000–$209,000 annual base compensation, excluding bonus, equity, and benefits.

Company

hirify.global is a defense and aerospace company founded in 2022 that develops multi-product systems powered by Coherent Distributed Networks for warfighters, commercial air operators, and border protection teams.

What you will do

• Design and integrate ruggedized electronic hardware, sensor systems, avionics, structures, mechanisms, enclosures, and support equipment.
• Own the mechanical design and integration of defined subsystems, product areas, or major assemblies.
• Develop 3D CAD models, complex assemblies, detailed drawings, installation documentation, and interface control documents.
• Perform trade studies, structural and thermal analyses, hand calculations, requirements analysis, and design verification.
• Lead design reviews and collaborate with mechanical, electrical, RF, power, manufacturing, systems engineering, customers, suppliers, and platform providers.
• Support system integration, qualification, fit-checks, installation, alignment, troubleshooting, prototyping, production transition, configuration control, fielding, and sustainment; mentor junior engineers.

Requirements

• Bachelor’s degree in Mechanical Engineering or a related discipline.
• 7+ years of progressively responsible experience in mechanical design and integration of electronic hardware for aerospace, defense, or similar applications.
• Strong proficiency with mechanical CAD tools such as SolidWorks or equivalent, including complex assemblies and detailed design.
• Experience producing and reviewing production-ready mechanical drawings and documentation.
• Understanding of mechanical interfaces, tolerancing, alignment, installation practices, interface control documents, mechanical drafting standards, GD&T, tolerance analysis, and configuration-controlled documentation.
• Familiarity with military and aerospace connectors, including MIL-DTL-38999, ARINC, and Micro-D.
• Familiarity with structural analysis methods, including hand calculations and FEA.
• Experience designing or integrating ruggedized hardware and applying environmental requirements and military or aerospace standards, including MIL-STD-810 where relevant.
• Strong written and verbal communication skills and the ability to work effectively in multidisciplinary development environments.
• Ability to obtain and maintain a U.S. security clearance.

Nice to have

• Master’s degree in Mechanical Engineering or a related field.
• Experience supporting environmental qualification testing and analysis, including thermal cycling, vibration, and shock.
• Experience with mechanisms, actuation systems, structures, thermal management, packaging, cable routing, connector layouts, or electromechanical integration.
• Experience with commercial FEA or multiphysics tools such as NASTRAN, ABAQUS, ANSYS, COMSOL, or similar.
• Experience with prototyping, additive manufacturing, CNC machining, fabrication, assembly, and production transition.
• Familiarity with aerospace, defense, military, or other ruggedized hardware standards and specifications.

Culture & Benefits

• Medical, dental, and vision benefits fully paid by the company.
• 401(k) with a 50% company match up to 6% of pay, plus FSA, HSA, and life insurance.
• Free daily lunch, no-meeting Fridays, unlimited PTO, and a casual dress code.
• Competitive base salary, pre-IPO stock options, relocation assistance, and planned annual bonuses.
• A growing organization with 250 employees across five global offices.