# Composite Technician - Company: [Poseidonaero]() - Location: San Francisco Bay Area - Team: Manufacturing Operations - Employment type: Full Time - Posted: April 6, 2026 ## Job description ## **About Poseidon Aerospace:** Poseidon Aerospace is reimagining how the world moves goods. We build and operate full-size autonomous cargo aircraft - capable of carrying two tons of payload over a thousand nautical miles. From remote communities to contested logistics operations, our platforms unlock a new cost curve for air freight, making it faster, cheaper, and accessible anywhere it's needed. Headquartered in the San Francisco Bay Area with locations in Washington DC, Oregon, and Maine; we're building something consequential. As a Composite Technician at Poseidon Aerospace you will be responsible for the fabrication and assembly of advanced composite components for aerospace prototype and development programs. This role requires a strong understanding of composite materials, custom tooling, and hands-on manufacturing techniques. The ideal candidate is a skilled fabricator who can interpret engineering concepts, build tooling or jigs as needed, and support one-off as well as high-rate composite builds from start to finish. **Responsibilities:** * Fabricate composite components using hand layup, resin infusion, and bonding techniques. * Build, modify, and maintain custom molds, fixtures, and jigs to support prototype part fabrication and assembly. * Collaborate closely with engineers and designers to interpret 3D models, drawings, and verbal instructions. * Develop and refine layup methods, cure cycles, and fabrication approaches for new designs. * Set up and monitor vacuum bagging, and oven curing processes. * Trim, drill, and assemble complex composite parts to tight tolerances using manual and power tools. * Perform surface preparation, adhesive bonding, and final finishing operations. * Maintain traceability of materials and processes to meet aerospace documentation requirements. * Identify and communicate design or manufacturability issues and propose practical solutions. * Contribute to continuous improvement initiatives in prototype and production transition efforts. **Ideal Qualifications:** * 3+ years of hands-on composite fabrication experience (prototype, marine, or aerospace environment preferred). * Proficiency with hand layup, prepreg handling, and vacuum bagging techniques. * Ability to read and interpret engineering drawings, CAD models, and process specifications. * Strong problem-solving and troubleshooting skills in a fast-paced, dynamic environment. * Comfortable working with epoxy resins, adhesives, and solvents while following safety procedures. **Nice to Have:** * Experience fabricating or modifying jigs, fixtures, or tooling using metal, wood, or composite materials. * Familiarity with precision measurement tools and quality inspection processes. * Familiarity with 3D modeling software. * Experience working in a fast paced prototyping environment and large scale production. ## **What you get from us** * Competitive salary and 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 ## Apply [Apply on Poseidonaero]() Canonical job page: