Poseidon Aerospace · 2 months ago
Manufacturing Engineer, Composites Lab (Maine)
Brunswick, ME
Full-time
Onsite
Entry, Mid Level
2+ years expPoseidon Aerospace is a company focused on advanced aerospace structures, and they are seeking a Composites Manufacturing Engineer to bridge design and fabrication. The role involves developing and supporting composite manufacturing processes and working closely with technicians to optimize production quality and efficiency.
Airlines/Aviation
Responsibilities
Design, fabricate and procure tooling, molds, jigs, and fixtures required for fabrication and assembly
Develop and document manufacturing processes for composite airframe components, including layup, bonding, curing, trimming, drilling, and assembly
Collaborate closely with design engineering to ensure manufacturability, structural integrity, and production efficiency of composite parts and assemblies
Work directly with technicians on the floor to support prototype builds, troubleshoot issues, and optimize build quality and efficiency
Define material handling, kitting, and cure cycle parameters to ensure process consistency and compliance with specifications
Support prototype builds and transition new designs to production, troubleshooting issues on the shop floor
Develop detailed work instructions, travelers, and manufacturing documentation
Analyze process capability and identify opportunities for cost reduction, yield improvement, and defect prevention
Support non-conformance investigations and implement corrective/preventive actions
Interface with suppliers on composite materials, tooling, and equipment
Provide training, mentoring and technical guidance to production technicians on new processes or tooling
Maintain accurate BOM information for all airframe components and subsystems
Contribute to continuous improvement initiatives, lean manufacturing efforts, and digital manufacturing integration
Qualification
Required
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 (hand layup, resin infusion, RTM, bonding)
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 when developing or validating processes
Strong problem-solving skills and attention to detail in a fast-paced, prototype-oriented environment
Strong understanding of GD&T and the ability to apply proper tolerancing to tooling designs and composite fabrication drawings
Preferred
Familiarity with PLM/MES/ERP systems to help track product lifecycle management and manufacturing processes
Experience planning and enforcing project management timelines for complex, multifaceted projects
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
Regulatory Awareness: Familiarity with FAA or DoD requirements for composite structures
Company
Poseidon Aerospace
Poseidon Aerospace develops autonomous sea-based aircraft designed to transport cargo using ground effect flight.
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$12.5MKey Investors
Tamarack GlobalStarship Ventures
2025-11-05Seed· $11M
2023-11-02Pre Seed· $1.5M
Recent News
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2025-11-14
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