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Powertrain Responsible Engineer

Compensation
$114,750–$140,250/year

Job Description

Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries.

As a Powertrain Responsible Engineer you will own the mechanical components and assemblies that generate and transmit power in all forms (fluid, mechanical and electrical) throughout our hypersonic vehicles. This includes gear boxes, generators, motors, and turbomachinery. This highly interdisciplinary role requires strong 1st principles in mechanics, fluid dynamics, thermal analysis, materials science, and manufacturing. You will need to be able to communicate requirements clearly and concisely in a rapidly changing environment while driving the development of cutting-edge hardware that will accelerate the future of hypersonic travel.

Responsibilities:

  • Fully own critical flight hardware
  • Work with system owners to architect and place components within systems
  • Component level architecture and sizing
  • Component design, analysis, development testing, qualification, production introduction
  • Scope vehicle level operational methods and limits to ensure reliability and personnel safety through all phases of production and operation
  • Making risk conscious decisions aligned with program posture
  • Prioritize broad work scope to meet top company objectives
  • Design/build cutting edge gearboxes, pumps, motors, and generators for hypersonic aircraft
  • Design/build required testing infrastructure to validate, accept and qualify novel designs
  • Work with manufacturing team to establish necessary production infrastructure to bring your designs to life
  • Minimum Requirements:

  • Bachelor’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.)
  • Experience using CAD to design parts and assemblies
  • 3+ years of Engineering, competition team, applied research experience related to fluid or engine systems
  • Passion for hardware design and development
  • Willingness to travel to support of hardware and flight tests
  • Willingness to work extended hours and weekends as needed
  • Preferred Skills and Experience:

  • Master’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.)
  • 5+ years of experience developing hardware from concept to production
  • Proficiency in Gear Design, Bearing Design, Rotordynamics, thermodynamics, mechanics, and materials
  • Strong knowledge of GD&T and stack-up analysis 
  • Script programming experience (Python, Matlab, Excel, VBA, etc.)
  • Pressurized fluid components experience such as solenoids, regulators, throttle valves, relief valves, linear and rotary actuators.
  • Ability to execute in a scrappy, entrepreneurial manner with tight timelines.
  • Professional experience using Siemens NX/Teamcenter and ANSYS
  • Great attitude in the face of extreme challenges
  • U.S. EXPORT CONTROL COMPLIANCE STATUS
    The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.

    EQUAL OPPORTUNITY
    Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.

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    Job Details

    Category
    Mechanical
    Employment Type
    Full Time
    Location
    Los Angeles, CA
    Posted
    Mar 26, 2026, 09:46 PM
    Listed
    Mar 26, 2026, 10:10 PM
    Compensation
    $114,750 - $140,250 per year

    About Hermeus

    Part of the growing space & AI ecosystem pushing the frontiers of technology.

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