Software Engineering Intern (HIL) - Spring/Summer 2027
- Salary
- USD 25 - 33 / per-hour-wage
- Level
- Intern
- Work type
- On-site · Atlanta
Not stated in the posting: visa.
Open. First seen 9 September 2026.
About the role
Hermeus's standard text
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.
Hermeus's standard text
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.
#LI-JC3
What this role asks for
Particular to this role
MATLAB
Rare in Hermeus's other 67 open postings.
65% of this description is written for the role. The rest is Hermeus's standard text, folded away below.
Read against Hermeus's other open postings on this site.
The team: Internships HIRES STEADILY
This role is one of 20 open in Internships. 4 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
C++ (8 of 20), Python (7 of 20), MATLAB (5 of 20), C (3 of 20), Embedded Systems (3 of 20), GD&T (3 of 20), FEA (2 of 20)
OTHER ROLES ON THIS TEAM
- Loads & Dynamics Engineering Intern - Summer 2027 posted Sep 30
- Flight Software Engineering Intern (Simulation/Hardware-In-The-Loop) - Spring & Summer 2027 posted Sep 29
- Propulsion Test Engineering Intern - Spring 2027 posted Sep 23
- Build Reliability Engineering Intern - Spring/Summer 2027 posted Sep 22
- Avionics Electrical Engineering Intern - Spring/Summer 2027 posted Sep 9
- Test and Operations Engineering Intern - Spring/Summer 2027 posted Sep 8
- Flight Operations & Airworthiness Engineering Intern - Spring/Summer/Fall 2027 posted Sep 8
- GNC & Flight Software Intern - Spring/Summer 2027 posted Sep 3
- Mission Systems Engineering Intern - Spring/Summer 2027 posted Sep 3
- Software Engineering Intern (Command & Control) - Spring/Summer 2027 posted Sep 3
- Manufacturing Engineering Intern - Spring/Summer/Fall 2027 posted Sep 2
- Manufacturing Engineering Intern - Spring/Summer 2027 posted Sep 2
- Structures/Mechanical Engineering Intern - Spring/Summer 2027 posted Sep 2
- Structures Engineering Intern - Spring/Summer/Fall 2027 posted Sep 2
- Software Engineering Intern (Modeling & Simulation) - Spring/Summer 2027 posted Sep 1
- Subsystem Test Engineering Intern - Spring/Summer 2027 posted Sep 1
- Propulsion Component Engineering Intern - Spring 2027 posted Aug 31
- Mechanical Engineering Intern - Spring/Summer 2027 posted Aug 31
- Propulsion Engineering Intern - Spring/Summer/Fall 2027 posted Jul 23
From the team and dates on Hermeus's own job board.
See Software Engineer salaries in the United States →
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