Senior Mechanical Systems Engineer – High-Speed Gearbox

Astro Mechanica; San Francisco (CA); On-site; USD 150,000 - 225,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with stock options

Flexible time-off

In-office collaboration

Job summary

Astro Mechanica in San Francisco is seeking a Mechanical Systems Engineer to own the design and validation of high-speed power transmission systems for our turboelectric adaptive jet engine. You will collaborate across propulsion, aircraft, and test teams to deliver optimized transmission hardware for the flight vehicle.

The ideal candidate has 5+ years of hands-on transmission design or test experience in aerospace, strong rotordynamics knowledge, and a proven track record of solving complex,

Qualifications

• 5+ years hands-on experience with transmission design and/or test in automotive, aerospace, or power generation applications.
• Foundational knowledge of rotordynamics, fatigue effects, lubrication systems, and transmission failure modes.
• Familiarity with test instrumentation, data reduction, and anchoring analysis with experimental results.
• Takes initiative for continuous improvement (not just completing assigned tasks).
• Flexibility to work in a fast-paced and high-growth environment.
• Attentive to detail and maintain a high level of quality in all work.

Responsibilities

• Architect high-performance, high-speed geartrain systems with consideration for high-speed rotordynamic effects, lubrication, and highly integrated interfaces
• Perform gear design calculations (AGMA/ISO standards), including load capacity, contact stress, and bending fatigue
• Conduct dynamic analysis of rotating systems including vibration, critical speed, and noise, vibration, harshness (KissSoft, Simcenter, SMT MASTA, Ansys)
• Design and analyze custom shaft, bearing, housing, and lubrication system hardware and establish subsystem testing to validate component performance
• Specify qualification testing and analyze test data for hardware behavior and performance characterization
• Improve and maintain the accuracy of simulation models through anchoring to historical and internally generated test data
• Define instrumentation placement with understanding of measurement limitations
• Diagnose hardware/software problems efficiently and perform corrective actions

Skills

Transmission design

Rotordynamics

Test instrumentation

Vibration analysis

Lubrication systems

Tools

KissSoft

Simcenter

SMT MASTA

Ansys

Job description

Astro Mechanica in San Francisco is seeking a Mechanical Systems Engineer to own the design and validation of high-speed power transmission systems for our turboelectric adaptive jet engine. You will collaborate across propulsion, aircraft, and test teams to deliver optimized transmission hardware for the flight vehicle.

The ideal candidate has 5+ years of hands-on transmission design or test experience in aerospace, strong rotordynamics knowledge, and a proven track record of solving complex,