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    Mechanical Engineering Intern

    Hermeus logo

    Hermeus

    Building the world's fastest aircraft.

    201-500 employeesFounded 2018Los Angeles, CaliforniaAviation and Aerospace Component Manufacturing
    Posted 149 days agoApply by Sep 5Actively hiringPaidFall 2026Aviation and Aerospace Component Manufacturing

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    About the role#

    Hermeus is seeking a Mechanical Engineering Intern to join the Fluids Team in Los Angeles. This role focuses on the design and integration of hydraulic systems, fuel systems, and supporting structural components for hypersonic aircraft. You will own hardware development from the initial concept phase through to design, fabrication, integration, and final testing.

    What you'll do#

    • Execute structural design tasks for vehicle subsystems, including hydraulics, fuel systems, propulsion, and avionics.
    • Conduct structural and thermal analyses using both hand calculations and FEA.
    • Lead trade studies across mechanical, fluid, and avionics subsystems, focusing on mass efficiency, cost, and performance.
    • Coordinate with manufacturing, supply chain, and test teams to ensure designs are practical and aligned with program objectives.
    • Present technical content during internal reviews and represent the team in cross-functional and supplier/customer design reviews.

    What you'll need#

    • Current enrollment in an accredited undergraduate, Master's, or Ph.D. program in Mechanical, Aerospace, Thermal Fluids, Structural, or a related engineering field.
    • Strong understanding of engineering first principles.
    • Demonstrated ability to work effectively within cross-functional teams.
    • Excellent written and verbal communication skills.
    • Minimum GPA of 3.0.
    • Must be a U.S. person as defined by 22 C.F.R. § 120.62 to meet U.S. export control requirements.

    Location & details#

    • Location: Los Angeles, California.
    • Term: Fall 2026 (approximately 16 weeks, September through December).
    • Work Modality: On-site.
    • Employment Type: Full-time internship.
    • Compensation: Paid internship.
    Relevant fieldsMechanical EngineeringAerospace EngineeringCivil Engineering

    About Hermeus

    Founded in 2018 and headquartered in Atlanta, Georgia, Hermeus is a privately held aerospace manufacturer with a workforce of 201 to 500 employees. The company specializes in the design and production of high-Mach and hypersonic aircraft for defense applications. It utilizes an iterative, hardware-focused development process to support the Department of Defense and allied national security interests. Current efforts include the Quarterhorse Program, which centers on the development of unmanned aircraft to test and advance hypersonic flight technologies.

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    Hermeus logoHermeus
    Open internships19
    Employees201-500 employees
    Founded2018

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