Test Software Engineer - H3X Technologies

JOB PURPOSE:  

At H3X, we are building the most advanced electric motors in the world for sustainable aviation, marine, industrial, and defense applications. At 12 kW/kg continuous, the HPDM family of integrated motor drives is a step change in electric propulsion technology and removes one of the main barriers blocking widespread proliferation of electric and hybrid aircraft. Our motors range in size from 30 kW to 30 MW and are 3X lighter than competitors’ systems.  

As H3X continues to grow, additional development testing and production equipment will be required. This role will be responsible for all test equipment software including dynamometers and End-Of-Line test stands. Applicants should have experience with LabVIEW or other controls software and have worked in a production and/or R&D environment. 

RESPONSIBILITIES:  

• Collaborate with design and test teams to develop test equipment such as dynamometers, test stands, component testers, etc. 

• Define and maintain test control system requirements 

• Develop software to meet requirements and validate both its functionality and user interface 

• Streamline data accessibility for the entire company 

• Continuously implement and upgrade control systems 

• Enable automated testing via robust control software 

• Identify and solve inefficiencies and prevent potential equipment failures 

REQUIRED QUALIFICATIONS: 

• Bachelor’s degree or higher in software engineering, mechatronics, or equivalent 

• Proficiency with a range of programming languages and environments, including Python, LabVIEW, NI Veristand, and HIL test equipment programming 

• Experience with R&D test and manufacturing equipment 

• Experience with various system controllers such as cRIO, PXI, and PLCs 

• Experience with high-speed data acquisition systems (e.g. power analyzers) 

• Experience with collecting data and calibrating a wide array of sensors for pressure sensing, voltage sensing, current sensing, torque measurements, speed measurements, accelerometer readings and temperature measurements 

• Experience developing automated test execution and data processing programs 

• High intelligence, high energy, and high integrity  

• Excellent written and verbal communication skills to effectively share knowledge and build the collective mindshare of the company 

• Organized and obsessive attention to detail: no room for oversight when designing flight critical systems 

• Humble and open mind: willingness to accept feedback and learn, consistently improve upon yourself and the product for which you will be responsible 

• A high degree of emotional intelligence: ability to collaborate closely with coworkers in a respectful and empathetic manner 

• Fundamentally curious and motivated my first principles 

• Ability to access export-controlled data 

PREFERRED QUALIFICATIONS: 

• Experience with electrical harnessing and control panel manufacturing 

• Experience with production/manufacturing control systems 

• Experience with sensor selection and accuracy analysis 

• Experience with electric machine dynamometers 

COMPANY BENEFITS: 

• Employee equity incentive plan 

• Health insurance: medical, vision, dental, ST & LT disability, and life 

• Gym membership stipend (up to $60/month) 

• Epic or IKON Ski/Snowboard Pass (up to $869 provided) 

• Flexible hours (deliverable-based goals) 

• Flexible time off (just need manager approval) 

• Relocation package 

• Bi-weekly company events 

• 401k program 

• PAY: 80,000-135,000 USD/yr 

THE COMPANY:  

H3X Technologies is a U.S.-based manufacturer of electric motors for sustainable aviation, marine, industrial, and defense applications. They have developed a family of integrated motor drives that can scale in power from 30kW to 30MW with power densities as high as 12 kW/kg and best-in-class efficiency. This high performance is enabled by novel scalable core technology and proprietary manufacturing processes for motor stacking, winding, and assembly. The design, manufacturing, and testing of their products is done in-house at their headquarters in Louisville, Colorado.

H3X’s world-class team is composed of experts from Tesla, SpaceX, GE Aviation, and Siemens with deep knowledge in electric machines, power electronics, material science, control systems, and advanced manufacturing. They take pride in our multidisciplinary approach, relentless dedication, high capital efficiency, and Skunkworks-style execution.

H3X has raised over $18M and has backing from top VC firms and strategic firms including Lockheed Martin, Hanwha, Y Combinator, Cubit Capital, Metaplanet, TechNexus, and Liquid 2 Ventures to deploy capital for rapid scaleup.

H3X is poised to become the world’s leading supplier of advanced electric motors by 2030 to drive deep decarbonization in aviation, marine, and heavy industrial applications and unlock next-generation electrified defense technology to strengthen national security.

H3X is an equal opportunity-affirmative action employer and considers all qualified applicants for employment based on business needs, job requirements and individual qualifications, without regard to race, color, religion, sex, age, disability, sexual orientation, gender identity or expression, marital status, past or present military service or any other status protected by the laws or regulations in the locations where we operate.

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