Firefly Aerospace · 22 hours ago
Mechanical Engineer II (Unpressurized Structures)
Cedar park, TX
Full-time
Onsite
New Grad, Entry, Mid Level
0+ years expFirefly Aerospace is an end-to-end responsive space transportation company on a mission to enable world-class space operations. They are seeking talented structures engineers to develop state-of-the-art composite structures throughout the product life cycle, involving analysis, design, fabrication, and testing.
AerospaceAir TransportationSatellite Communication
No H1B
U.S. Citizen Only
Responsibilities
Firefly engineers own and influence the entire hardware design cycle including conceptual design, structural layout, sizing analysis, hardware production, and structural testing
Composite and metallic Primary structures for orbital launch applications
Composite pressurized structures analysis, design, and/or manufacturing
Design of structural joints with bonded and bolted configurations
Light weighting existing designs and requalifying designs
Supporting products from conceptual design, formal design, analysis, protype, qualification and production
Support configuration development and trade studies
Finite Element Model development, refinement, validation, and postprocessing
Maintain requirements, activity schedule, budget, and status
Create CAD, manufacturing drawings, specifications, and other documentation
Perform first order strength and sizing calculations for your responsible structure
Qualification
Required
B.S. degree in aerospace, mechanical, or civil engineering and 0-5 years of experience in aerospace or related structures engineering
Strong design and integration skills using 3-D CAD software (Siemens NX / FiberSim preferable)
Ability to effectively work in a multi-discipline team and provide technical guidance and insight
Experience with industry FEA/FEM tools like Nastran, ANSYS, FEMAP, etc
Experience designing and analyzing composite structure and/or pressure vessels
High degree of mechanical understanding
Demonstrated experience with composite structures and manufacturing techniques
Having a working knowledge of different fiber and resin systems is a plus
Having experience with additive manufacturing techniques is a plus
Working knowledge of light weight alloys commonly used in aerospace/and space application and pros and cons of different material selection
Preferred
M.S. degree in aerospace or mechanical engineering and/or 3+ years of experience
Working knowledge of composite manufacturing methods, material selection, testing, characterization & Allowables development
Fluency with composite structure materials, analysis, design, and/or manufacturing
Experience developing physical tests to validate analysis and evaluate assumptions
Familiarity with aerospace standard structural analysis methods (Bruhn, Niu, Roark, etc)
Experience designing structure for varying thermal environments
Benefits
Generous health, dental and vision plans with low plan deductibles
Parental leave
Educational reimbursement
Short term disability
Flexible PTO options
Company
Firefly Aerospace
Firefly Aerospace is a space company that develops and operates launch vehicles, lunar landers, and orbital vehicles for commercial mission.
501-1000 employees
Funding
Current Stage
Public CompanyTotal Funding
$796.56MKey Investors
Northrop GrummanRPM VenturesAE Industrial Partners
2025-08-07IPO
2025-05-29Corporate Round· $50M
2024-11-12Series D· $175M
Leadership Team
Jason Kim
Chief Executive Officer
Eric Salwan
Co-Founder
Recent News
2026-01-19
Company data provided by crunchbase