Subsystem Test Engineering Intern - Spring/Summer 2027

Posted 3 Days Ago
Be an Early Applicant
2 Locations
In-Office
Internship
Aerospace • Hardware • Manufacturing
Hermeus is a aircraft manufacturer focused on rapid design, build, and test of high-Mach and hypersonic aircraft.
The Role
Supports the design, manufacture, operation, and maintenance of test assets for supersonic vehicle subsystems. Responsibilities include designing fixtures and tooling, creating CAD models and drawings, developing test plans, performing engineering analysis, troubleshooting fluid, mechanical, and electrical systems, collecting test data, documenting results, and collaborating with manufacturing and engineering teams to improve testing capabilities.
Summary Generated by Built In
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)

Responsibilities:

  • 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.

Requirements:

  • 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.

The hourly rate listed for this internship is intended as a general guideline. Final compensation will be determined based on degree level.

Benefits:
  • Time Off: Interns are eligible for 5 days of sick leave and unpaid time off.
  • Office Perks: Weekly paid office lunches and fully stocked breakrooms.
 
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.
 

Skills Required

  • Practical experience designing, building, and testing vehicles through internships, studies, or projects
  • Currently enrolled in a STEM program at an accredited college or university
  • Undergraduate student in the third or fourth year, or enrolled in a Master's or Ph.D. program
  • Strong interest in testing
  • Strong understanding of engineering first principles
  • Ability to work within cross-functional teams
  • Excellent written and verbal communication skills
  • GPA of 3.0 or above
  • Enthusiasm for aviation and Hermeus's mission
  • Must be a U.S. person or otherwise eligible for deemed export licensing

Hermeus Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Hermeus and has not been reviewed or approved by Hermeus.

  • Healthcare Strength Healthcare is described as employer-paid for employees and dependents, including dental and vision. Feedback suggests this substantially reduces healthcare burden and strengthens overall total rewards.
  • Leave & Time Off Breadth The package includes unlimited PTO for exempt employees, generous accrued PTO for non‑exempt staff, and observed federal holidays. Feedback suggests this breadth aims to support work‑life balance.
  • Equity Value & Accessibility Stock options are guaranteed with all full‑time offers, with potential for additional grants based on performance. Feedback suggests this provides ownership upside alongside base pay and bonuses.

Hermeus Insights

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The Company
HQ: Atlanta, GA
270 Employees
Year Founded: 2018

What We Do

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. Utilizing an integrated, hardware-rich, iterative development approach to aircraft design and build, Hermeus aims to deliver advanced air power at a pace not seen in the U.S. since the 1950s. Hermeus’ current Quarterhorse Program is actively unlocking unmanned high-speed flight. One program, four aircraft – each purpose-built to unlock a specific technical challenge, advance learnings, and incrementally de-risk critical technology in the pursuit of hypersonic aircraft. Today, Hermeus is building its second Quarterhorse vehicle, Mk 2, after having designed, built, and flight tested its predecessor, Mk 1, in 18 months. Capable of reaching speeds of Mach 3+, Quarterhorse Mk 2 will be the fastest uncrewed military aircraft in service for national defense. The final iteration of Quarterhorse, Mk 4, will be capable of transitioning from turbofan to ramjet mode utilizing a Hermeus-developed turbine-based combined cycle (TBCC) propulsion system to achieve sustained speeds of Mach 5+. Hermeus' approach of build-fly-build lays the groundwork for unlocking hypersonic flight at a pace and cost previously deemed impossible. America needs fast planes fast – and Hermeus is delivering them.

Why Work With Us

We prioritize hardware and people. Cutting-edge technology is only made possible by bringing together a world-class team. At Hermeus, you will be challenged – but also empowered. We encourage calculated risks taking and learning from our mistakes. Iteration is the name of the game.

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