Senior Manufacturing Engineer (Assembly)

About the Role

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, 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 prototype procurement.

Required Qualifications

• Bachelor's or Graduate Degree in Mechanical Engineering or similar

• 5+ years of experience as a Manufacturing Engineer

• 5+ years of CAD software experience (SolidWorks preferred)

• Experience scaling complex assemblies to higher production volume

• Expert understanding of mechanical drawings

• Superior knowledge of GD&T and part inspection

• Excellent written and Verbal communication skills

• Organized and strong attention to detail.

• Exceptional understanding of engineering fundamentals

• Vast knowledge of manufacturing processes (machining, assembly, composites, etc)

• Action biased, results-driven mentality

• Willingness to learn quickly

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

• Fundamentally curious and motivated by first principals

Preferred Qualifications

• Experience designing manufacturing floor layouts

• Understanding of electric motors or high voltage systems

• Experience working in a startup environment

• Experience with ISO9001 and/or AS9100 standards

Benefits & Compensation

• Compensation: $140,000 - $200,000 annual salary

• Employee equity incentive plan

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

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

• Outdoor Recreation Reimbursement ($900 annual maximum)

• Flexible hours (deliverable-based goals)

• Flexible time off (just need manager approval)

• Relocation package

• Monthly company events

• 401k program

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 $30M 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.