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Salary
$105k – $125k per year
Location
In office (Los Angeles)
Seniority
Junior · 1+ year exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Nov 13, 2025. Hermeus scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Hermeus is a US defense aviation company that designs, builds and flies high-Mach uncrewed aircraft powered by a precooled Pratt and Whitney F100 engine, with its headquarters in Hawthorne, California near Los Angeles. Founded in 2018 by AJ Piplica, Glenn Case, Skyler Shuford and Michael Smayda, it flew its first aircraft in 2025 and went supersonic 364 days later, holds a Defense Innovation Unit contract scaled to $219 million, and has teams in Atlanta, Jacksonville and Washington. It hires flight software, avionics, structures and propulsion integration engineers, flight test engineers, welders, sheet metal technicians and quality inspectors.

About The Role:

    We are seeking a highly motivated and experienced Flight Software Engineer to join Hermeus, a hypersonic aircraft startup company. As a Senior Flight Software Engineer, you will work closely with our hardware and systems engineers to design, develop, and implement software for our cutting-edge aircraft systems.

Responsibilities:

  • Develop and maintain embedded flight software for our aircraft systems, including flight control, navigation, communication, and avionics systems.
  • Collaborate with hardware engineers to ensure seamless integration of software and hardware components. Write efficient, high-quality, and well-documented code that meets the performance and safety requirements of the aircraft.
  • Develop software requirements and design documents. Participate in code and design reviews to ensure high-quality software. Test and debug software to ensure it meets design specifications and performance requirements.
  • Work with systems engineers to develop and execute system-level tests and simulations.
  • Participate in the development of safety-critical software and documentation to ensure compliance with regulatory standards.
  • Stay up-to-date with emerging trends and technologies in the embedded flight software field and apply them to our aircraft systems.
  • Develop and maintain technical documentation.

Requirements:

  • Bachelor's or Master's degree in Computer Engineering, or a related field.
  • 1+ years of experience in embedded flight software development.
  • Professional experience programming in C/C++ and experience with embedded flight software development tools and methodologies.

Preferred Skills and Experience:

  • Experience with real-time operating systems (RTOS) or embedded Linux for real-time applications.
  • Familiarity with low-level hardware interfaces (e.g., CAN, RS422, MIL-STD-1553, ARINC429, etc.), and software development for embedded applications.
  • Experience with fault-redundant design as well as safety-critical software development processes, such as DO-178C or MIL-516C. Knowledge of avionics systems, flight control systems, and navigation systems.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication skills and ability to work collaboratively in a team environment.
  • Experience working in a startup environment is a plus.
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