Composites Engineer

The role

This person will bridge design and fabrication for advanced aerospace structures. They will develop and support composite manufacturing processes, tooling, and assembly methods for prototype and production airframe components.

What you will do

• Design, fabricate and procure tooling, molds, jigs, and fixtures.
• Develop and document manufacturing processes for composite airframe components.
• Collaborate with design engineering to ensure manufacturability and structural integrity.
• Work with technicians on the floor to support prototype builds and troubleshoot issues.
• Define material handling, kitting, and cure cycle parameters.
• Support prototype builds and transition new designs to production.
• Develop detailed work instructions, travelers, and manufacturing documentation.
• Analyze process capability for cost reduction and defect prevention.
• Support non-conformance investigations and implement corrective actions.
• Interface with suppliers on composite materials, tooling, and equipment.

Required qualifications

• Bachelor’s degree in Mechanical, Aerospace, Manufacturing, or Materials Engineering or equivalent technical experience.
• 2–5 years of hands-on composite fabrication or manufacturing engineering experience in aerospace or related industries.
• Strong working knowledge of composite materials (carbon fiber, fiberglass, epoxy systems) and associated processes.
• Demonstrated experience supporting technicians and shop-floor operations.
• Ability to design and develop tooling and fixtures using CAD software.
• Comfortable working with hand tools, measuring equipment, and basic shop machinery.
• Strong problem-solving skills and attention to detail.
• Strong understanding of GD&T and the ability to apply proper tolerancing.

Nice to have

• Familiarity with PLM/MES/ERP systems.
• Experience planning and enforcing project management timelines.
• Experience establishing/maintaining revision control and change management processes.
• Knowledge of lean manufacturing principles, 5S and process optimization methods.
• Experience with CAM tools for fabricating tooling or integrating with manufacturing process documentation.
• Familiarity with FAA or DoD requirements for composite structures.

Benefits

• Competitive salary
• Meaningful early-stage equity
• Relocation support if applicable
• Employee Health Benefit Plans
• 6% Retirement matching
• Flexible PTO
• Free lunches, snacks, and a stocked fridge at our offices
• AI tools and subscriptions

About the company

Poseidon Aerospace builds and operates full-size autonomous cargo aircraft. They are headquartered in the San Francisco Bay Area with locations in Washington DC, Oregon, and Maine.