Software Engineering Intern (HIL) - 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: 

The Software Engineering "Hardware in the Loop" intern will support the setup, integration, maintenance, and testing of real-time simulation environments that connect hardware components with software models. This role will have a strong focus on developing automated tests, maintaining test infrastructure, and ensuring test stands remain reliable and ready to support ongoing flight software development and validation. Spring: Around 16 weeks (January - April) Summer: Around 12 weeks (May - August)

Responsibilities:

Configure, maintain, and troubleshoot Hardware-in-the-Loop (HIL) test benches and supporting test infrastructure

Develop, implement, and maintain automated test scripts for flight software and vehicle systems

Expand automated test coverage and support regression testing of new software and system updates

Perform routine test stand upkeep, including hardware configuration, software updates, calibration, documentation, and issue resolution

Debug signal, hardware, software, and communication issues across integrated systems

Assist in validating vehicle, avionics, and flight deck control systems through automated and manual testing

Analyze test results, identify failures or unexpected behavior, and support root cause investigation

Document test procedures, test results, configurations, and changes to test infrastructure

Collaborate with Flight Software and cross-functional engineering teams to improve test reliability, coverage, and overall system performance

Requirements:

Pursuing a degree in Computer Engineering, Computer Science, Electrical Engineering, or a related technical field

Proficiency in Julia or strong experience with scientific computing/programming languages such as Python, MATLAB, or C++

Experience developing scripts, automated tests, or software tools

Experience working with hardware integrations and embedded computers such as Raspberry Pis, Arduinos, or STM32s

Familiarity with debugging hardware/software interfaces, communication protocols, or integrated systems

Strong understanding of engineering first principles

Demonstrated ability to work within cross-functional teams

Enthusiasm for aviation and Hermeus' 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.
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