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# Sr Principal Mechanical Engineer, Control Actuation Systems

- **Company:** RTX
- **Location:** Huntsville, AL, United States
- **Experience:** Expert
- **Salary:** $132,400.0 - $251,600.0
- **Contract:** Contract
- **Skills:** 3d Models, Kinematics, Commercial Software
- **Published:** October 27, 2026
- **Apply:** https://www.thejobnetwork.com/job/6e6f5fe2-e11d-46c5-8836-22e9c4495000/sr-principal-mechanical-engineer-control-actuation-systems

## About the Role

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience, or An Advanced Degree in a related field and minimum 7 years experience
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A minimum of 10 years of experience in mechanical engineering design
\n, Experience with Systems or Mechanical Engineering of servo controls
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Experience with development of CAS requirements, CAS architecture, requirements risk, requirements verification and validation, system performance & function, safety and environmental compliance.
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Experience in working with control actuation systems that employ permanent magnet brush and brush less DC motor technology
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Experience with feedback control systems, including sizing, testing and integration, design-for-manufacturing, kinematic and dynamic simulation and analysis
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Proficient in Geometric Dimensioning and Tolerancing per ASME Y14.5
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Proven ability to deconstruct higher level tasks into discrete lower-level work packages and tasks
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Proficient in generating free body diagrams
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Proficient in Engineering processes and procedures, Moderate 3D modeling skills with a prominent commercial software package