Principal Mechanism Design Engineer (Dallas)

1 Month ago • 10 Years + • Software Development & Engineering • $193,578 PA - $290,368 PA

Job Summary

Job Description

Shield AI is seeking a Principal Mechanisms Design Engineer with deep expertise in mechanism design to support the development of our next-generation autonomous UAV platform. In this high-ownership role, you will lead the architecture, design, and development of precision mechanical systems and actuation mechanisms that are critical to mission success. You will work closely with cross-functional teams to create rugged, lightweight, and manufacturable mechanisms-ranging from landing gear to deployable payload systems-while delivering high performance in dynamic and harsh environments. This is an opportunity to design at the edge of innovation and autonomy, with real-world impact.
Must have:
  • Design complex electro-mechanical mechanisms for autonomous aircraft
  • Own the full design process: concept, CAD, tolerance analysis, material selection, and drawing release
  • Perform structural and kinematic calculations and preliminary FEA
  • Prototype, test, and iterate mechanism designs for functionality and reliability
  • Collaborate with electrical, avionics, flight controls, and propulsion teams
  • Mentor junior engineers and promote engineering excellence
  • Support pre-production builds, prototype integration, and ground/flight testing
  • Strong CAD skills
  • Kinematic analysis and optimization
  • Structural analysis utilizing hand calculations and finite element methods
  • FEA analysis: Modal, non-linear and linear, buckling, fatigue
  • GD&T and tolerance stack-ups for mechanical systems
  • Materials selection inclusive of alloys, heat treatments, allowables, and finishes
Good to have:
  • Experience with UAVs, aircraft, or robotic systems
  • Familiarity with electro-mechanical actuators
  • Proficiency in FMEA, DOE, and root cause analysis
  • Hands-on machine shop or mechanic experience (professional or hobby)
  • RTCA DO-160, structural, or actuated mechanism testing experience
  • Ability to thrive in startup, R&D, or defense innovation environments
Perks:
  • Bonus
  • Benefits
  • Equity

Job Details

Shield AI is seeking a Principal Mechanisms Design Engineer with deep expertise in mechanism design to support the development of our next-generation autonomous UAV platform. In this high-ownership role, you will lead the architecture, design, and development of precision mechanical systems and actuation mechanisms that are critical to mission success.

You will work closely with cross-functional teams to create rugged, lightweight, and manufacturable mechanisms-ranging from landing gear to deployable payload systems-while delivering high performance in dynamic and harsh environments. This is an opportunity to design at the edge of innovation and autonomy, with real-world impact.

What you'll do:

  • Design complex electro-mechanical mechanisms for autonomous aircraft
  • Own the full design process: concept, CAD, tolerance analysis, material selection, and drawing release
  • Perform structural and kinematic calculations and preliminary FEA
  • Prototype, test, and iterate mechanism designs for functionality and reliability
  • Collaborate with electrical, avionics, flight controls, and propulsion teams
  • Mentor junior engineers and promote engineering excellence
  • Support pre-production builds, prototype integration, and ground/flight testing

Required qualifications:

  • B.S. in Mechanical/Aerospace Engineering
  • 10+ years in mechanical or mechanism design
  • Strong CAD skills (NX preferred)
  • Kinematic analysis and optimization
  • Structural analysis utilizing hand calculations and finite element methods
  • FEA analysis: Modal, non-linear and linear, buckling, fatigue
  • GD&T and tolerance stack-ups for mechanical systems
  • Materials selection inclusive of alloys, heat treatments, allowables, and finishes
  • Ability to work independently and lead in fast-paced, cross-functional teams
  • A demonstrated record of working hard, being trustworthy, holding yourself to high standards, and being kind to others

Preferred qualifications:

  • Experience with UAVs, aircraft, or robotic systems
  • Familiarity with electro-mechanical actuators
  • Proficiency in FMEA, DOE, and root cause analysis
  • Hands-on machine shop or mechanic experience (professional or hobby)
  • RTCA DO-160, structural, or actuated mechanism testing experience
  • Ability to thrive in startup, R&D, or defense innovation environments

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