Poseidon Aerospace
Mechanical Engineer
San Francisco Bay Area · Full-time
Sponsorship not specifiedDetected 126 days ago
PythonMATLABLogisticsSolidWorksCATIAANSYSFEAStructural AnalysisGD&TMechanical DesignAerospace EngineeringCollaboration
About the role
- ABOUT POSEIDON AEROSPACE: Poseidon Aerospace is reimagining how the world moves goods.
- 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.
Responsibilities
- Design and develop aircraft structures, mechanisms, and tooling using CAD software
- Perform FEA to validate strength, stiffness, and load paths in composite and metallic components
- Create detailed part/assembly drawings and documentation for manufacturing and inspection
- Design linkages, control surface mechanisms, and mounting systems for aircraft subsystems
- Collaborate with manufacturing engineers to ensure designs are practical, cost-effective, and easy to assemble
- Support testing and validation of structural and mechanical systems, including fixture and rig design
- Maintain CAD libraries, revision control, and configuration management for aircraft assemblies
- Provide design feedback to improve manufacturability, maintainability, and structural efficiency
- We build and operate full-size autonomous cargo aircraft; Heron, a seaplane, and Egret, a STOL aircraft; each capable of carrying two tons of payload over a thousand nautical miles.
- As a Mechanical Engineer at Poseidon Aerospace, you will design the structural and mechanical systems that make our composite aircraft functional and manufacturable.
Requirements
- Degree in Mechanical Engineering, Aerospace Engineering, or a related field
- Proficiency with CAD software such as Fusion,, SolidWorks, CATIA, or NX
- Strong understanding of structural design, stress analysis, and mechanical systems
- Experience with FEA tools such as ANSYS, Fusion Simulation, Nastran, or similar
- Ability to apply GD&T and mechanical tolerancing to production drawings
- Familiarity with composite and metallic fabrication methods
- Understanding of fundamentals of flight mechanics and aircraft dynamics
- Comfortable working hands-on with prototypes, test articles, and shop tools
- Capable of managing projects independently in a fast-paced, startup environment
Nice to have
- Background in actuation systems, linkages, or motion mechanisms
- Knowledge of vibration, fatigue, or modal analysis
- Hands-on experience with machining, additive manufacturing, or assembly tooling
- Proficiency in MATLAB or Python for analysis and process automation
- Exposure to aerospace certification or flight test environments
- Free lunches, snacks, and a stocked fridge at our offices
- AI tools and subscriptions
- Even if you don't meet every qualification listed, we encourage you to apply.
Compensation
- Competitive salary and meaningful early-stage equity
Benefits
- Competitive salary and meaningful early-stage equity
- Employee Health Benefit Plans
- 6% Retirement matching
Company info
- At Poseidon Aerospace, we value diverse perspectives and are always looking for talented individuals with unconventional backgrounds.
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This listing is sourced directly from Poseidon Aerospace's careers page and normalized into a canonical job model.