Junior Mechanical Design Engineer, Structures & Airframe Los Angeles, CA

Junior Mechanical Design Engineer, Structures & Airframe

At Heart Aerospace
, we’re shaping the future of sustainable aviation with the ES-30
, a regional hybrid‑electric aircraft designed to carry 30 passengers with a 200 km all‑electric, zero‑emission range and an extended 400 km hybrid range. Heart is targeting type certification by the end of the decade.

This is an exciting opportunity for an early‑career mechanical or aerospace engineer to grow their skills while contributing to the design and development of next‑generation aircraft structures.

As a Junior Mechanical Design Engineer, Structures & Airframe, you will design, analyze, and develop aircraft structural components under the guidance of senior and staff engineers. You will collaborate cross‑functionally to the design of the fuselage, wing, and empennage, working with both composite and metallic materials, while gaining hands‑on exposure to certified aerospace hardware development in a fast‑paced, collaborative environment.

• Responsible Engineer (RE) focused on the design and development of aircraft structural components
• Create and release 3D CAD models, 2D drawings, and documentation using NX/Teamcenter or equivalent tools
• Optimize structural performance for cost and mass
• Perform structural analyses, hand calculations, and FEA activities with mentorship
• Define structural requirements, specifications, and test plans
• Own structural testing activities, data review, and documentation
• Collaborate with manufacturing, quality, and test teams to resolve design and build issues
• Participate in design reviews, continuous improvement and best practices
• Learn and apply aerospace standards, GD&T, and manufacturing fundamentals

• 0–4 years of professional experience (internships, co‑ops, and academic project work included)
• Experience with CAD tools such as Siemens NX, CATIA, Creo, or Solid Works
• Understanding of engineering fundamentals, structural mechanics, and first principles
• Exposure to composite and/or metallic structures through coursework, projects, or early industry experience
• Familiarity with GD&T and basic manufacturing concepts
• Strong written and verbal communication skills in English
• Ability to work collaboratively in a team environment and take technical direction
• Passion for aircraft design and interest in sustainable aviation

• Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or a related field

• Academic or early exposure to FAA/EASA certification concepts
• Introductory experience with FEA tools and structural analysis methods
  
  Experience leading structural testing, instrumentation, or data analysis
• Hands‑on exposure to composite or aluminum part fabrication
• Familiarity with NX, CATIA, or other advanced CAD platforms

• $85,000 to $130,000

As set forth in Heart Aerospace’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. In accordance with federal regulations, we invite applicants to voluntarily provide demographic information; this information will not be used in any hiring decision.