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Senior Turbomachinery Engineer

External
astro-mechanica logoAstro-mechanica · San Francisco
$150K–$225K/yrFull-timeOn-site1mo ago30+ days old, may be filled
AssemblyCADMATLABMovePython
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About the role

Astro Mechanica is a vertically integrated aerospace company building a faster, more connected future. Our mission is to democratize high-speed flight by making supersonic travel flexible, accessible, and sustainable. We believe that rapid, on-demand, point-to-point global mobility will become the new standard for moving people and goods across the planet. To achieve this, we are integrating our advanced airframe and engine technologies-which include Duality™, our proprietary dual-use propulsion system-with a new flight operations model to make supersonic transport as efficient and economical as commercial air travel is today. In the near term, we are developing adaptable, high-speed systems to close aircraft performance gaps for the United States government. We're a team of passionate engineers dedicated to advancing aerospace. We're generalists with specialist depth, united by a flat structure and a shared obsession with building things that work well. We move fast, stay pragmatic, and let engineering excellence speak louder than hierarchy.

Responsibilities

  • Lead rotordynamic analysis of turbomachinery systems, including critical speed prediction, stability margins, imbalance response, torsional analysis, modal analysis, and Campbell diagram development
  • Bearing selection, preload definition, stiffness and damping trade studies, thermal management and lubrication system
  • Define and execute test campaigns instrumented specifically for rotordynamic validation
  • Develop and iterate computational models (StarCCM+, AxSTREAM) with rotordynamic constraints in mind
  • Utilize propulsion cycle models (GasTurb, NPSS) to assess how compressor maps and mechanical behavior interact under dynamic loading conditions
  • Define GD&T for rotating assemblies through tolerance analysis, considering the effects on rotor balance, seal clearances, and dynamic behavior
  • Partner with manufacturing to ensure production of high-precision rotating components with balance grades, runout tolerances, and assembly sequence in mind

Requirements

  • 5+ years in turbomachinery design with demonstrated rotordynamic analysis and mechanical packaging ownership on real hardware
  • Hands-on experience with rotordynamic modelling tools (DyRoBes or equivalent)
  • Experience with blade and compressor geometry development using CFD, streamline curvature, and 1D meanline methods (StarCCM+, AxStream)
  • Experience with test instrumentation and data reduction specifically for mechanical validation (vibration, whirl, and rotor response)
  • Experience with propulsion cycle tools (GasTurb, NPSS) and how compressor mechanical behavior couples to cycle performance
  • Proficient in CAD for rotating assemblies (Siemens NX) and multiphysics analysis
  • Experience with scripting for analysis automation and post-processing (Python, MATLAB)
  • Effective communicator capable of leading cross-functional design reviews and contributing to system architecture discussions

Benefits

Comprehensive medical, dental, and vision insurance, including Flexible Spending Accounts (FSA)401(k) program and transparent stock option planSelf-managed and flexible time-off policy, including PTO, paid holidays, and sick timeFlexible work environmentADDITIONAL INFORMATION:At Astro Mechanica, we highly value in-office work to foster collaboration and strengthen our company culture. We consider working in the office five days a week an essential part of the employee's role.Astro Mechanica is an equal opportunity employer. We proudly recruit and hire a diverse workforce and are committed to creating an inclusive environment for all employees.Dental insuranceVision insurance401(k)Paid time offFlexible scheduleEquity / stock options

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