Senior Aero-Mechanical Engineer

Rainmaker
Rainmaker

Other Engineering

El Segundo, CA, USA

USD 120k-160k / year + Equity

Posted on Apr 26, 2026

Rainmaker is pioneering a modern cloud seeding system to solve water scarcity and inclement weather problems. We develop and incorporate radar validation, weather-resistant UAS, numerical weather modeling, and sustainable cloud seeds into an effective precipitation enhancement solution.

The Engineering team at Rainmaker works on our UAS, dispersion payload, and in-situ/remote sensing systems. If you are interested in working in an extremely innovative and fast paced environment, where your work directly makes an impact and difference in our operational system, this is a fantastic opportunity.

What You'll Do

  • Collaborate with multidisciplinary teams to develop and refine aerodynamic designs for aviation vehicles operating in extreme weather conditions

  • Conduct computational fluid dynamics (CFD) simulations and analyses to assess aerodynamic performance and behavior

  • Design, optimize, and evaluate vehicle configurations for various deployment scenarios and endurance requirements

  • Contribute to wind tunnel testing and experimental data analysis to validate CFD predictions

  • Participate in the development and implementation of innovative aerodynamic solutions

  • Work closely with other engineering disciplines to ensure manufacturing viability of aerodynamic solutions and translate designs to working prototypes

Required Qualifications

  • Bachelor's or Master's degree in Aerospace Engineering or a related field (Or 4+ years of experience as a substitute)

  • 2+ years of relevant experience in aerodynamics and aerospace engineering

  • Proficiency in computational fluid dynamics (CFD; Ansys Preferred) software and tools

  • Proficiency in CAD (Solidworks Preferred)

  • Experience in composite manufacturing techniques (Required)

  • Strong understanding of aerodynamics principles and concepts

  • Familiarity with aerodynamic design and analysis techniques for high loading and extreme weather applications

  • Solid programming skills (Python, MATLAB, etc.) for data analysis and modeling

  • Effective communication skills and the ability to work collaboratively in a team environment

120000 - 160000 USD a year

Benefits:

  • Significant stock options with high potential upside as an early-stage company
  • 401(k) with employer matching
  • Full health coverage (medical, dental, and vision insurance)
  • Relocation assistance provided (if applicable)
  • Unlimited PTO
  • Paid parental leave for both parents
  • Lunch provided when working in-office and a fully stocked kitchenette
  • Free EV charging at the HQ