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H3X Technologies

10 open roles indexed with location, benefit, and apply-link signals where available.

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  • Senior Manufacturing Engineer (Electronics)

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Senior Manufacturing Engineer (Electronics) Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. H3X is seeking an Electronics Manufacturing Engineer to oversee PCB assembly and wire harness manufacturing and procurement. This role involves implementing new processes and improvements to meet the increasing demand. The position requires a high degree of self-motivation and responsibility, providing significant autonomy and direct responsibility for the production of numerous components. Responsibilities - Scale electronics manufacturing to meet growing company demand. - Manage new product introduction (NPI) for PCB and harness assemblies. - Troubleshoot and resolve electronics manufacturing issues. - Ensure quality control through documentation and corrections for non-conformances. - Identify and implement continuous improvement opportunities for yield, performance, and cost. - Develop manufacturing instructions and tests for PCB and wire harnesses. - Evaluate and assist contract manufacturers to ensure quality and reliability of electronics supply chain. - Collaborate across departments to streamline processes and meet project timelines. - Support design engineering with design for manufacturability (DFM) and prototype procurement. Required Qualifications - Bachelor's or graduate degree in Electrical Engineering, Electronics,

  • Manufacturing Engineer (Rotating Assemblies)

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Manufacturing Engineer (Rotating Assemblies) Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. H3X is looking to hire a Manufacturing Engineer to support the stacking & rotor production lines across all the HPDM products. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM products. A high degree of self-motivation and responsibility is required since this role will be given significant freedom and will be directly responsible for the production of a multitude of parts.· Own the production process for grinding and balancing rotors Responsibilities - Own the production process for grinding and balancing rotors - Own the process for electromagnetic lamination stacking. - Own the non-conformance and corrective action process for respective production area - Design manufacturing processes, fixtures, & select equipment for scaling rotating assembly manufacturing - Design and implement manufacturing tools and fixtures using SolidWorks - Troubleshoot and resolve equipment related manufacturing issues. - Troubleshoot and resolve assembly manufacturing issues - Manage, troubleshoot and resolve issues relating to magnetic material handling. - Manage new

  • Assembly Technician

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Assembly Technician Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. We are looking to hire an Assembly Technician who will assist in the manufacturing of prototype electric drive systems and facilitate testing. You should be experienced with standard mechanical system assembly and troubleshooting hardware. You will be a key part of the core engineering team and will have a direct impact on the trajectory of the company. Responsibilities - Assemble production motor drive systems and sub-systems. - Handle, mix and work with process chemicals and hazardous materials. - Assist in maintenance and upkeep of production processing equipment. - Read, comprehend and perform technical processes as defined by internal work instructions, standards, or other specifications. - Coordinate with manufacturing & design engineers regarding assembly process issues and improvements. Required Qualifications - High intelligence, high energy, and high integrity. - High School Diploma or equivalent. - 2+ years of hands-on mechanical system experience in the following areas: - Fastening - Epoxy application - Component fabrication - Wiring harness manufacturing - Proficiency in comprehending and improving manufacturing

  • Senior Manufacturing Engineer (Assembly)

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Senior Manufacturing Engineer (Assembly) Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. H3X is looking to hire a Senior Manufacturing Engineer to support production lines across all the HPDM products. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM products. A high degree of self-motivation and responsibility is required since this role will be given significant freedom and will be directly responsible for the production of a multitude of parts. Responsibilities - Scale mechanical manufacturing processes to meet growing company demand - Manage new product introduction (NPI) for sub-system and full system assemblies - Design and implement manufacturing tools and fixtures using SolidWorks - Troubleshoot and resolve assembly manufacturing issues - Own the non-conformance and corrective action process for respective production area - Identify and implement continuous improvement opportunities for yield, performance, and cost. - Create and maintain production work instructions and inspection plans. - Collaborate across departments to streamline processes and meet project timelines - Support design engineering with design for manufacturability (DFM) and

  • Staff Power Electronics Engineer

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Staff Power Electronics Engineer Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. We are looking to hire a Senior or Staff Power Electronics Engineer who will oversee inverter development, taking the design from prototype to production for a next generation product line. The ideal candidate has experience in the entire product development cycle including requirements definition, design and analysis, and test and validation. You will be a key part of the core engineering team and will have a direct impact on the trajectory of the company. Responsibilities - Own the power electronics hardware for high power density integrated motor drives, from requirements → concept → prototype → production readiness. - Translate product requirements into inverter flowdown requirements (performance, safety, reliability, manufacturability, testability). - Lead schematic design and high-density PCB layout (Altium), including stack-up, creepage/clearance strategy, high-current power paths, and gate-drive layout. - Design and optimize wide-bandgap power stages (SiC and/or GaN): switching behavior, gate drive, protection, sensing, isolation, and thermal/packaging constraints. - Engineer for low parasitics (power loop inductance, gate loop inductance, current sense

  • Inventory Specialist

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Inventory Specialist Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. The Inventory Specialist is a critical operational role within H3X Technologies' Supply Chain & Operations team. This individual will be responsible for the accurate receipt, storage, and distribution of materials that directly support production and engineering operations. Beyond day-to-day execution, this role carries a meaningful ownership stake in inventory data accuracy and is expected to actively drive continuous improvement of inventory practices over time. The ideal candidate brings hands-on experience with inventory systems and physical material handling, takes pride in getting the details right, and approaches process gaps as problems to be solved rather than accepted. This role works closely with production planning, engineering, and quality teams and requires a high degree of reliability, organization, and professional communication. Responsibilities Cycle Counting & Inventory Accuracy - Own the full execution of structured weekly cycle counts across all assigned inventory locations. - Record, investigate, and reconcile physical count discrepancies against MES system data. - Maintain a running history of variance trends and escalate recurring or systemic

  • Manufacturing Engineer (Stator)

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Manufacturing Engineer (Stator) Louisville, Colorado | OnSite 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. About the Role: H3X is looking to hire a Stator Manufacturing Engineer to support stator assemblies across multiple product lines. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM products. A high degree of self-motivation and responsibility is required since this role will be given significant freedom and will be directly responsible for the production of a multitude of parts. KEY RESPONSIBILITIES: - Responsible for stator assemblies across multiple product lines. - Work with design engineers to establish production requirements - Conceptualize new and novel approaches to solve manufacturing problems - Design manufacturing tools and fixtures in SolidWorks - Analyze recurring manufacturing discrepancies and implement solutions - Collaborate with design engineers on implementation of manufacturing feedback - Conduct PDRs and CDRs for sub-systems for which you are responsible - Execute first application and testing of new fixtures and process improvements - Interface with production operations team and assembly technicians - Create and implement production travelers - Commission and scale

  • Senior/Staff Mechanical Design Engineer

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Senior/Staff Mechanical Design Engineer Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. Mechanical design engineers are responsible for bringing new designs to life from clean sheet concept generation through early prototype testing. Mechanical Design Engineers will work with highly interdisciplinary teams to bring H3X products to life. The engineering team operates like Skunkworks - small, highly technical, and very fast. All mechanical design engineers are given significant design freedom and will be directly responsible for flight-critical parts. Responsibilities Requirements/Concept - Establish and document requirements - Conceptualize designs and product architectures that meet program requirements - Present in Concept Design Reviews Design and Analysis - Design parts and assemblies utilizing SolidWorks - Perform and document mechanical analyses, including hand calculations, FEA, CFD, etc. for structural, modal, thermal, and/or fluid aspects of products - Present in Preliminary and Critical Design Reviews - Generate engineering drawings per ASME and GD&T standards, perform tolerance stack-ups Prototype and Manufacturing - Compile complete Bills of Materials - Provide technical supply chain support for sourcing hardware - Work with technicians and

  • Manufacturing Engineer Intern

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Manufacturing Engineer Intern Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. H3X is looking to hire a manufacturing engineering intern to support the low volume production line across all the HPDM product lines. This is not an ordinary internship- you will be given the full responsibility of a manufacturing engineer. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM product lines. A high degree of self-motivation and responsibility is required as you will be given significant freedom and will be directly responsible to produce your assigned parts. We are looking to hire a full time intern with a focus on the Fall 2026 Semester for a minimum of 12 weeks, but open to extended periods as well based on candidate availability. Responsibilities - REQUIREMENTS / CONCEPT - Work with design engineers to establish production requirements - Conceptualize new and novel approaches to solve manufacturing problems - Propose new materials, fixture concepts, equipment or other - DESIGN AND ANALYSIS - Design tools and fixtures to improve

  • Mechanical Design Engineer Intern

    Louisville, Colorado | OnSite

    hybrid Salary not disclosed

    Mechanical Design Engineer Intern Louisville, Colorado | OnSite About the Role At H3X https://www.h3x.tech/, 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, include integrated drives, and are 3X lighter than competitors' systems. H3X is looking to hire a mechanical design engineering intern this Fall to support the development across all aspects of the HPDM product line. This is not an ordinary internship- you will be given the full responsibility of a mechanical design engineer. The engineering team is intentionally small and operates at a very fast pace. A high degree of self-motivation and responsibility is required as you will be given significant freedom and will be directly responsible for your parts. We are looking to hire a full time intern with a focus on the Fall 2026 Semester for a minimum of 12 weeks, but open to extended periods as well based on candidate availability. Responsibilities - Requirements/Concept - Establish and document requirements - Conceptualize designs and product architectures that meet program requirements - Present in Concept Design Reviews - Design and Analysis - Design parts and assemblies utilizing SolidWorks - Perform and document mechanical analyses, including hand calculations, FEA, CFD, etc. for structural,