Firefly Aerospace

Mechanical Engineer I

Job Description

Posted on: 
2026-02-26

Responsibilities

  • Own and influence the entire hardware design cycle including conceptual design, structural layout, sizing analysis, hardware production, and structural testing.
  • Design and develop composite and metallic pressurized structures for orbital launch applications and spacecraft.
  • Optimize mass of existing designs and requalify designs.
  • Support products from conceptual creation, design release, analysis, prototype, qualification, and production.
  • Maintain requirements, activity schedule, budget, and status.
  • Create CAD, manufacturing drawings, specifications, and other documentation.
  • Perform first order strength and sizing calculations for structures.

Job Requirements

  • B.S. degree in aerospace or mechanical engineering.
  • 5+ years of progressive experience in a structural system design-related role.
  • 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.
  • Experience with industry FEA/FEM tools like Nastran, ANSYS, FEMAP, Simcenter, etc.
  • Passion for structures.
  • Working knowledge of composite manufacturing methods, material selection, testing, and characterization (desired).
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