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H3X Technologies

H3X Technologies

High-power density integrated motor drives

Assembly Technician

Full-Time
$22 - $34/hr

+ Equity incentive program

Junior
Bachelor's, Associate's
Louisville, CO, USA
In Person

About the job

Requirements
  • A high school diploma or equivalent.
  • At least 2 years of hands-on mechanical system experience in fastening, epoxy application, component fabrication, or wiring harness manufacturing.
  • Proficiency in comprehending and improving manufacturing processes.
  • Ability to troubleshoot assembly issues.
  • Ability to conceptualize assembly processes from computer-aided design models.
  • Access to Controlled Unclassified Information, International Traffic in Arms Regulations, and Export Administration Regulations controlled information.
  • Ability to communicate effectively in writing and verbally to share knowledge.
  • Strong attention to detail.
  • Ability to accept feedback, learn, and consistently improve.
  • Ability to collaborate closely with coworkers in a respectful and empathetic manner.
Responsibilities
  • Assemble production motor drive systems and subsystems.
  • Handle, mix, and work with process chemicals and hazardous materials.
  • Assist with maintenance and upkeep of production processing equipment.
  • Read, comprehend, and perform technical processes defined by internal work instructions, standards, or other specifications.
  • Coordinate with manufacturing and design engineers regarding assembly process issues and improvements.
Desired Qualifications
  • Experience assembling flight-qualified aerospace parts.
  • Experience with brazing, soldering, milling, turning, and epoxy encapsulation.
  • Experience with printed circuit board assembly and wire harnessing.
  • Experience developing novel manufacturing processes.
  • Experience with Geometric Dimensioning and Tolerancing standards, such as ASME Y14.5.
  • Experience with AS9100 supply chain practices.
  • Experience with tool calibration processes.
  • An associate's or technical trade degree.

About the company

H3X Technologies designs and sells high-power density integrated motor drives that bundle a motor, inverter, and gearbox into one compact unit. Its HPDM-250 targets defense applications requiring maximum power per weight, delivering 12 kW per kilogram and scalable from 30 kW to 30 MW. The product relies on optimized electromagnetics, synergistic cooling, and fault-tolerant power electronics to achieve high efficiency and integration. The goal is to provide compact, efficient drive systems for defense platforms where high power and low weight matter, differentiating itself with extreme power density and integrated packaging.

Company Size

51-200

Company Stage

Series A

Total Funding

$26.9M

Headquarters

Louisville, Colorado

Founded

2020

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Simplify's Take

What believers are saying

  • H3X completed NASA Phase II and II-E contracts in 2025, proving execution.
  • Its February 2026 diesel genset and April 2026 HPDG-30 coverage expand markets.
  • The oversubscribed $20 million Series A brought Lockheed Martin Ventures and Hanwha support.

What critics are saying

  • H3X still sells defense-adjacent prototypes; revenue remains dependent on small contracts.
  • HPDM-500's first production batch ships in 26Q2; slips delay commercialization.
  • A failed production ramp kills H3X before megawatt-class customers arrive.

What makes H3X Technologies unique

  • H3X fused motor, inverter, and gearbox into HPDM-250, targeting 12 kW/kg density.
  • By 2026, H3X stretched the platform from HPDG-30 to HPDM-500 megawatt-scale systems.
  • NASA Phase II and Air Force TACFI validated aerospace-grade testing and mission relevance.

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Benefits

Health Insurance

Gym membership stipend

Ski/Snowboard Pass

Flexible hours

Flexible time off

401k program

Relocation package

PTO Policy

PTO

PTO Policy (80 hours)

Remote Work Options

Hybrid Work Options

Stock Options

Company Equity

Wellness Program

Mental Health Support

Conference Attendance Budget

Professional Development Budget

Continuing professional education benefit

Education allowance

Tuition Reimbursement

Professional Certification Support

Home Office Stipend

Phone/Internet Stipend

Adoption Assistance

Parental Leave

Family Planning Benefits

Fertility Treatment Support

Meal Benefits

Employee Discounts

Monthly company events

Performance Bonus

Profit Sharing

Employee Stock Purchase Plan

Relocation Assistance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

3%

2 year growth

1%
3DPrint.com
Aug 9th, 2024
Lockheed and Others Award $20M to H3X to Develop Electric Motors with 3D Printed Parts

Early last year, H3X introduced the HPDM-30, a high-power density electric motor with a 3D printed synergistic cooling jacket.

MarineLink
Aug 6th, 2024
Electric Motor Startup H3X Raises $20 Million

Electric motor startup H3X on Tuesday announced it has raised $20 million through an oversubscribed Series A round led by Infinite Capital, with participation from Hanwha Asset Management, Cubit Capital, Origin Ventures, Industrious Ventures, Venn10 Capital, and follow-on investors that include Lockheed Martin Ventures, Metaplanet, Liquid 2 Ventures and TechNexus.

TechCrunch
Aug 6th, 2024
H3X scales up its electric aerospace ambitions with $20M in new funding | TechCrunch

Many industries that rely on legacy energy sources are aiming to electrify or at least streamline their operations, but for countless use cases, the tech

Manufacturo
Nov 17th, 2023
Press Release: Manufacturo and H3X Technologies Forge Ahead with a Groundbreaking Partnership

Manufacturo is proud to announce a pivotal partnership with H3X Technologies, visionary manufacturers of high-power density integrated motor drives for sustainable aviation, marine, and defense.

Intelligence360 News
Mar 8th, 2023
H3X Technologies Has Filed A Notice Of An Exempt Offering Of Securities To Raise $3,000,000.00 In New Debt Financing.

H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing. H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing.According to filings with the U.S. Securities and Exchange Commission, H3X Technologies is raising $3,000,000.00 in new funding. Sources indicate that as part of senior management Chief Executive Officer, Jason Sylvestre played a key role in securing the recent investment and it will aid in aggressively expanding the company, as well as broaden and accelerate product development.About H3X TechnologiesH3X manufactures high performance integrated motor drives for electric aircraft. Our first product, the HPDM-250, is a 250kW integrated motor drive in a 15kg package. We are a team of multidisciplinary engineers brought together with the sole purpose of developing the most advanced electric aircraft propulsion systems in the world to enable sustainable aviation