Subsystem Test Engineering Intern - Spring/Summer 2027

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.

About The Role: As a Test Engineering Intern at Hermeus, you will play a pivotal role in developing, building, analyzing and operating test assets for our supersonic vehicles. This position offers a unique opportunity to work on groundbreaking technology in a fast-paced and collaborative environment. As part of this team, you will have the opportunity to work on a broad range of vehicle subsystems including hydraulic system, fuel system, mechanisms, high-voltage, mechanisms, airframe structural, and more!

Spring: Around 16 weeks (January - April) Summer: Around 12 weeks (May - August)

Support the design, development, manufacturing, implementation, and maintenance of test assets, including test facilities, fixtures, rigs, and supporting hardware.

Design test fixtures, tooling, adapters, interfaces, panels, and other hardware used in test setups.

Assist in developing test plans, procedures, and protocols for vehicle subsystems and components.

Perform engineering analysis to help determine target test points, instrumentation requirements, and appropriate test safety margins.

Support test design reviews and collaborate with cross-functional engineering, manufacturing, and technician teams to ensure alignment on test requirements and execution.

Create CAD models, drawings, and manufacturing plans for test components, fixtures, and flight-like hardware as needed.

Work directly with manufacturing and build teams to track hardware progress, troubleshoot issues, and support test readiness.

Assist with the operation and troubleshooting of fluid, mechanical, and electrical test systems, including pumps, motors, heat exchangers, valves, regulators, accumulators, tubing, fittings, and high-voltage components.

Support test execution, data collection, and troubleshooting of test hardware and systems.

Maintain detailed documentation of test configurations, procedures, results, findings, and hardware changes.

Identify opportunities to improve testing processes, hardware, and infrastructure and contribute to the development of new testing methods and capabilities.

Practical experience designing, building, and testing vehicles through internships, studies or projects.

Must be currently enrolled in a STEM program at an accredited college or university (undergraduate student in your third or fourth year of study, or enrolled in a Master's or Ph.D. program).

Strong interest in testing.

Strong understanding of engineering first principles.

Demonstrated ability to work within cross-functional teams.

Enthusiasm for aviation and Hermeus's mission.

Excellent written and verbal communication skills.

GPA of 3.0 or above.

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