Software Engineer, Test Infrastructure (C/C++)

Overview In this role you will design, develop, and maintain SpaceX’s in-house test infrastructure that powers flight-system validation across programs. You will build a scalable framework and tools for production testing, integration testing, and high-fidelity simulations, aligned with SpaceXAI initiatives. You’ll collaborate with flight software engineers to enhance reliability, performance, and safety of testing software. The work supports rapid vehicle production and software confidence, contributing to SpaceX’s Mars-forward mission. This role offers an opportunity to shape critical tooling used across multiple teams and programs. Compensation / Benefitscomprehensive medical, vision, and dental401(k) retirement planstock options or long-term incentivespaid parental leavevacation and holidaysdiscrete discounts and perks ResponsibilitiesDevelop and maintain core test infrastructure framework and applications used company-wideImprove reliability, performance, and safety of test software and infrastructureCollaborate with flight software engineers to develop new features and improve user experiencesOwn all aspects of software engineering and product development for test infrastructureDeep dive into users’ problems to create efficient solutions Key requirementsBachelor in computer science, engineering, math, or scientific discipline OR 2+ years of professional software experience1+ years of experience with C/C++1+ years of experience with Pythonsmart and motivatedworks well in dynamic environmentscare about software best practicesC/C++Pythontelemetry-based software