Senior Software Simulation Engineer
Hermeus· Engineering – Flight Software
Los Angeles, CA$150k - $190kFull-timePosted 1w ago
About the role
Senior Software Simulation Engineer responsible for developing and deploying real-time simulation environments for aerospace flight control and avionics systems using Model-Based Design (MATLAB/Simulink) and code generation for HIL/SIL testing.
Responsibilities
- Develop and maintain real-time simulation environments for flight control, avionics, and aircraft systems.
- Build and support SIL and HIL test environments for flight software verification.
- Use MATLAB/Simulink and Model-Based Design workflows to create models and generate real-time code.
- Integrate aircraft dynamics, controls, sensors, actuators, and avionics models into simulation environments.
- Connect models with real-time targets, embedded software, and hardware interfaces.
- Improve simulation performance, timing, fidelity, and reliability.
- Create automated test scripts and tools to support repeatable validation.
- Work closely with GNC, flight software, avionics, systems, and test teams to debug and validate system behavior.
- Support documentation, requirements traceability, and verification activities for flight-critical systems.
Qualifications
- Bachelor’s degree in Aerospace Engineering, Electrical Engineering, Computer Engineering, Computer Science, Mechanical Engineering, or related field.
- 5+ years of experience in simulation, controls, embedded software, or real-time test environments.
- Hands-on experience with MATLAB, Simulink, and Model-Based Design.
- Experience with code generation tools such as Simulink Coder or Embedded Coder.
- Understanding of aircraft dynamics, control systems, avionics, or embedded aerospace systems.
- Experience with SIL, HIL, or real-time simulation environments.
- Proficiency in C/C++, Python, or similar programming languages.
- Strong debugging skills across software, models, and hardware interfaces.
- Ability to work across teams in a fast-paced engineering environment.
Skills
Required:MATLABSimulinkModel-Based DesignC/C++
Nice to have:Python
Benefits
- Health & Wellness: 100% employer-paid healthcare and pet insurance
- Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
- Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
- Office Perks: Weekly paid office lunches and fully stocked breakrooms
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Hermeus
Building the world's fastest aircraft.
Building the world's fastest aircraft.
aerospacehigh-speed aircrafthypersonic aircrafthigh-Mach aircraft
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