Rainmaker

AR / AP Specialist

Bachelor’s degree preferred; experience in AP/AR, bookkeeping, or general accounting; detail-oriented; proficient with Excel and ERP systems.

Mechanical Engineering Intern

CAD (SolidWorks) and SolidWorks FEA experience; basic prototyping with 3D printing; sheet metal design (preferred); experience taking products from concept to production; cross-functional collaboration.

Research Engineer, Aerosol & Spray Systems

Research Engineer

Hands-on mechanical/aerospace research with experience in multiphase flow, nozzle design, and high-velocity gas dynamics.

Software Engineering Intern

Internship requiring strong Python fundamentals, data handling, APIs, and SQL with interest in geospatial or sensor data.

Senior PX4 Developer

PX4 Developer

3+ years in PX4/ArduPilot software; production Rust plus C++ or Python; firmware for ESP32/RP2040; low-level buses; real-time pub/sub (Zenoh, DDS, ROS 2, MQTT); MAVLink integration.

Senior Electrical Engineer

Electrical Engineer

Bachelor's in electrical/computer engineering; 6+ years in electronics; PCB design with Altium; embedded programming; hardware lead experience.

Senior Aero-Mechanical Engineer

Aero-Mechanical Engineer

Bachelor's or Master's in Aerospace Engineering or 4+ years experience; 2+ years in aerodynamics; CFD (Ansys) and CAD (SolidWorks); composite manufacturing; strong aero knowledge; Python/MATLAB; collaborative work.

Make-rain

Executive Business Partner, CEO

Executive Business Partner

5+ years of administrative experience supporting senior executives; strong communication and organizational skills; travel coordination; multi-executive support; US person for export control access.

Accounting Intern

Pursuing a Bachelor's degree; coursework in Accounting/Finance; independent, accurate, able to work in a fast-paced environment; proficient in Microsoft Office.

Electrical Engineering Intern

PCB design (Altium/KiCad), embedded systems, microcontrollers, embedded programming (Rust, Arduino, Python, C++), power electronics, EE lab experience, hands-on projects.

Data Scientist, Sales

Data Scientist

4+ years in data science, economics, or applied research; strong Python or R; GIS/remote sensing experience; communicate business value; handle incomplete data.

Product Engineer, Sales

Product Engineer

Frontend (React, TypeScript); backend (Python or Node); data visualization and geospatial tools; strong craft and ability to work with ambiguity; translate technical concepts for non-technical audiences.

Program Manager

Leads cross-functional teams; solves complex operational challenges; strong communication; self-directed; willing to work remote environments.

Program Development Scientist

On-site in El Segundo, MA or CA? Masters in atmospheric sciences or related field; strong interpersonal skills; travel up to 10%; able to work independently and in cross-functional teams; proactive and creative.

Head of People

Lead HR functions: recruiting, compensation, benefits, compliance; build and scale HR systems for a high-growth tech organization.

Electro-Mechanical Engineering Intern

Internship in electro-mechanical engineering focusing on UAS subsystems; CAD (SolidWorks), FEA, prototyping, basic electronics, cross-functional collaboration.

Satellite Applications Specialist - Precipitation

Satellite Applications Specialist

Master’s or PhD in meteorology, atmospheric science, remote sensing, or related field; strong satellite remote sensing and meteorology knowledge; experience with large datasets; AWS; programming (Python, MATLAB, R, C++); ML/DL knowledge for satellite apps.

Title	Location	Date
AR / AP Specialist Full Time · $60K-$80K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 27, 2026
Mechanical Engineering Intern Internship, Full Time, Part Time, Contract, Temporary, Seasonal, Volunteer · $48K-$72K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Research Engineer, Aerosol & Spray Systems Full Time · $100K-$140K · 5+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Software Engineering Intern Internship, Full Time, Part Time, Contract, Temporary, Seasonal, Volunteer · $48K-$72K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Senior PX4 Developer Full Time · $150K-$200K · 3+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Senior Electrical Engineer Full Time · $120K-$160K · 6+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Senior Aero-Mechanical Engineer Full Time · $120K-$160K · 2+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 24, 2026
Executive Business Partner, CEO Full Time · $115K-$165K · 5+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 20, 2026
Accounting Intern Internship · $60K · 0+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 20, 2026
Electrical Engineering Intern Internship El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 15, 2026
Data Scientist, Sales Full Time · $100K-$140K · 4+ YOE El Segundo, California, United States · Remote	El Segundo, California, United States Remote	Apr 15, 2026
Product Engineer, Sales Full Time · $160K-$190K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 13, 2026
Program Manager Full Time · $90K-$110K Salt Lake City, Utah, United States · Onsite	Salt Lake City, Utah, United States Onsite	Apr 7, 2026
Program Development Scientist Full Time · $100K-$150K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Apr 6, 2026
Head of People Full Time · $180K-$250K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Mar 16, 2026
Electro-Mechanical Engineering Intern Internship, Full Time · 0+ YOE El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Feb 6, 2026
Satellite Applications Specialist - Precipitation Full Time · $90K-$150K El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	Aug 29, 2024
General Application Full Time El Segundo, California, United States · Onsite	El Segundo, California, United States Onsite	May 28, 2024

Activities	Cloud seedingDrone manufacturingWeather monitoringRadar engineeringAtmospheric modeling
Headquarters	US
Industries	Weather TechnologyAerospace
Name	Rainmaker
Employees	19
Type	Private
Tagline	Provides cloud seeding services using drones and radar.
Founded	2,023
Website	rainmaker.com
Latest Funding Round	Series A
Latest Funding Year	2,025
Latest Funding Amount	25,000,000
Latest Investors	Lowercarbon Capital

Rainmaker

About Rainmaker