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Stratolaunch, LLC Hardware-in-the-Loop (HIL) Software Engineer in Mojave, California

Stratolaunch is developing an air-launch test platform to contribute to high-speed research and development. The goal of Stratolaunch is to utilize the capabilities of the Stratolaunch Carrier Aircraft and air-launch test vehicles to enable development of technologies that may not exist otherwise.

Stratolaunch strives to create technology development opportunities for commercial, philanthropic, and governmental organizations to collect rich and actionable data and drive advancements in science, research, and technology.

To achieve these great efforts, Stratolaunch is seeking a HIL Software Engineer to develop and maintain a HIL facility for an autonomous hypersonic aircraft development program. This engineer will design and develop closed-loop vehicle simulation software for verification and validation of flight control algorithms, and test and evaluation of vehicle actuator and sensor subsystem performance. The HIL Software Engineer will collaborate with the GNC Integration Lead Engineer to develop a high fidelity vehicle simulation as well as with vehicle subsystem leads to develop test scenarios and with project test pilots to develop vehicle control law evaluations.

This position will include evaluation of a broad range of technical data. Candidates must have an aerospace development background and relevant experience in aerospace systems integration.

Essential duties and responsibilities:

  • Design and code nonlinear vehicle simulation

  • Design and code high-fidelity integrated navigation system simulation

  • Integrate simulations with HIL hardware

  • Develop automated test scenarios

  • Collaborate with stakeholders to understand challenges and develop software requirements and solutions

  • Contribute to hardware integration with the development of interface documents

  • Support various lab/bench hardware tests with custom software

  • Support integration of the air-launch vehicle systems with the carrier aircraft

  • Perform design and/or analysis to support component development

  • Provide technical guidance for projects within the larger program

  • Evaluate risks and contribute to risk mitigation plans to determine if the risks are appropriate and risk mitigation are adequate

  • Contribute to the integration of complex aerospace systems

  • Travel, as needed, to support projects

  • Demonstrate honesty, responsibility, integrity and fulfillment of commitments


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Required Experience:

  • Bachelor's degree (B.S.) from accredited institution and 3-plus years of relevant experience, OR equivalent combination of education and experience.

  • C/C++ programming

  • MATLAB/Simulink programming

  • Python programming

  • Linux operating system

  • Nonlinear dynamic systems simulation

  • Serial communications, software test, and computer networking

  • Communication standards and protocols e.g. RS422, UDP/TCP

  • Source version control tools such as Git, SVN, etc.

  • Requirements development, with a focus on interface management

  • Excellent written communication and software documentation skills

  • Ability to communicate technical challenges and provide interface guidance to varied audiences to develop airborne and ground support systems.

  • Ability to quickly adapt to changing priorities

  • MS Office (Word, Excel, Outlook)

Preferred Experience:

  • Aerospace or automotive industry

  • Private pilot’s license

  • MATLAB/Simulink Coder

  • Digital flight control system implementation

  • Flight computer and/or vehicle management computer software development, test, and integration

  • Agile Software Development methodologies

  • Work management tools such as JIRA

  • Safety-critical system design standards

  • Security clearance

Special remarks regarding work environment

  • This position is located in Mojave, CA

  • Some travel (<10%) may be required

  • Applicants must be a US citizen or Green Card holder to be considered for this role.

Applicants must be a US citizen or Green Card holder to be considered for this role.

Stratolaunch is an equal opportunity employer that values diversity at our company. We encourage people from all walks of life to apply, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other characteristic protected by law. Our management team does not tolerate discrimination or harassment at any point during our employees’ and applicants’ time with us, especially with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, and general treatment during employment.

Equal Employment Opportunity is the Law:

Job Category: Engineering