Research Engineer, Aerosol & High‑Velocity Fluid Systems

Rainmaker Technology Corporation; El Segundo (CA); On-site; USD 100,000 - 140,000; Full time

Job summary

Rainmaker Technology Corporation seeks a Mechanical/Aerospace Research Engineer in El Segundo, California, to work on innovative cloud seeding technologies. The role requires a strong background in aerosol science, multiphase flow, and compressible fluid dynamics, offering an annual salary between $100,000 and $140,000. Responsibilities include designing nozzles, developing dispersion systems, and prototyping hardware for aerosol generation. Ideal candidates should have a Master’s degree or PhD and experience in CAD, fluid dynamics, and high-velocity gas systems.

Qualifications

• Approx. 5 years of hands-on experience in mechanical engineering, focusing on fluid dynamics.
• Proven experience in Mach number optimization and nozzle flow physics.
• Strong CAD proficiency and hands-on hardware prototyping experience.

Responsibilities

• Design, machine, and test custom convergent-divergent nozzles for gas expansion.
• Develop and optimize systems for complex liquid aerosols and dry-powder seeds.
• Build mechanical micro-feeders and aerosol generators using high-pressure gas systems.

Skills

Hands-on experience in mechanical engineering

Fluid dynamics expertise

Multiphase flow knowledge

Cad proficiency (SolidWorks, Fusion 360)

Education

BS, MS, or PhD in Mechanical Engineering or related field

Tools

ANSYS Fluent

COMSOL

Job description

Rainmaker Technology Corporation seeks a Mechanical/Aerospace Research Engineer in El Segundo, California, to work on innovative cloud seeding technologies. The role requires a strong background in aerosol science, multiphase flow, and compressible fluid dynamics, offering an annual salary between $100,000 and $140,000. Responsibilities include designing nozzles, developing dispersion systems, and prototyping hardware for aerosol generation. Ideal candidates should have a Master’s degree or PhD and experience in CAD, fluid dynamics, and high-velocity gas systems.