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.
We are hiring an Associate Executive Assistant to support efficient office operations and help maintain a well-organized workplace. This hands-on position provides operational and administrative support to internal teams and vendors in a fast-paced environment. This role offers an excellent opportunity for someone to develop skills in executive support and operations, gain cross-functional exposure, and build strong organizational and communication capabilities. The ideal candidate is proactive, adaptable, and able to manage multiple priorities with a high level of attention to detail, along with a desire to take on increasing responsibility over time.
Responsibilities
Core Responsibilities:
Provide high-impact administrative and operational support across the organization, helping ensure the office, team, and leadership operate smoothly and efficiently.
Serve as a point of contact for office operations, facilities vendors, and workplace logistics
Support internal meetings and events, including materials, scheduling, and onsite coordination
Support planning and logistics for external company events and onsite activities
Assist with accounts payable processes, including invoice tracking and documentation accuracy
Support HR-related administrative processes and recordkeeping
Maintain organized systems for digital files, supplies, and internal documentation
Growth Opportunities:
As skills and business familiarity continue to grow, the role can take on increased direct support for executive leadership.
Supporting board, investor and customer meeting preparation, including logistics and materials coordination
Providing discreet support in handling sensitive company and employee information
Partnering with leadership on compliance and operational requirements, including work with external legal counsel, insurance renewals, tax incentive programs, and state reporting
Contributing to process improvements that create more scalable systems for leadership and company operations
Required Qualifications
Bachelor’s degree in a related field preferred or equivalent work experience
2 years of experience in administrative, office operations, or coordination role preferred
Highly organized with the ability to prioritize tasks and manage time efficiently
Exceptional attention to detail and commitment to quality
Ability to work independently with minimal supervision
Flexible and capable of adapting to shifting priorities in a fast-paced environment
Excellent written and verbal communication skills to effectively share information and collaborate across teams
Proficient in Microsoft Office
A high degree of emotional intelligence, with the ability to collaborate respectfully and empathetically across teams, and handle sensitive or confidential information with discretion
Benefits & Compensation
Annual Salary Target $50,000 - $80,000 based on experience
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 time off (just need manager approval)
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.
Top Skills
What We Do
H3X manufactures the world's most power-dense integrated motor drives (IMDs) ranging from 30kW to 3MW for aerospace, defense, marine, and heavy industry. From the sea to the sky, our products unlock major benefits for weight-sensitive, volume-constrained, and high power applications.
At the core of our organization are principles that guide every action and decision we make. These values define our story, our problem-solving approach, and are the foundation for how we operate as a company.
Be Relentless
At the core of our organization are principles that guide every action and decision we make. These values define our story, our problem-solving approach, and are the foundation for how we operate as a company.
Gain insight through humility
Approach every challenge with a learner’s mindset. Be open to feedback, listen to others, and deepen your understanding through self-awareness. Put your ego aside and always seek truth in discussion with others. This is particularly crucial for effective leadership.
Distill & Simplify
Eliminate unjustified complexity and simplify wherever possible, whether in requirements, design, or execution. This applies to communication and decision-making as well. Use first principles thinking and distill each facet of a problem to its essence. Less is more.
Find your flow
Engage fully and work with intention, finding the rhythm and deep focus that leads to doing your best work. Discover your Ikigai - where your strengths, passions, and purpose drive both personal fulfillment and team success. When you're "in the zone", that is when the magic happens.
SEND (Solve, Evolve, Nail It, Deliver)
Devise the best solution with the information at hand, test it, learn from it, iterate quickly, and then nail it. Don't expect it to work perfectly the first time, but you should never encounter the same issue twice. Laser-focus on solving customer problems and deliver solutions that provide real value for them.
Why Work With Us
H3X is a skunkworks-style team laser-focused on building exceptional products through advanced engineering, vertical integration, and lightning-fast execution. We’ve assembled a world-class team of engineers and builders from SpaceX, Tesla, Anduril, and beyond. You’ll be surrounded by people who push you to do the best work of your life.
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