Hiring: Software Engineer, Test Infrastructure Company: Zipline Location: South San Francisco, CA Job Posted Time: 2026-09-03 10:33:46 Target Skills & Keywords : CI/CD, Embedded Systems, Firmware, Linux, Python, Rust, pytest About the job Experience: •4+ years of experience in software engineering for complex, hardware-backed, safety-critical systems. Required Skills: •Zipline is looking for software engineers to build the tools and infrastructure that power our systems validation and flight test organizations. This team develops precise, efficient, and scalable software solutions used to validate aircraft and ground systems at every level. •Design, develop, and maintain HIL test infrastructure that integrates real aircraft hardware with simulated systems and environments. •Develop software tools, frameworks, and services to enable large-scale automated and semi-automated system validation. •Support a high-throughput flight test organization running thousands of daily tests, from targeted regression tests to rare off-nominal scenarios. •Write and maintain test software, drivers, and interfaces for embedded and Linux-based systems. •Support test framework architecture designs and improvements. •Debug complex validation failures spanning simulation, hardware, firmware, and application software •Partner cross-functionally with flight test engineers, systems engineers, avionics, autonomy and embedded software teams to define system-level validation strategies. Qualifications: •Extensive experience in Python, specifically using test systems (e.g. pytest) •Extensive experience working with CI/CD. •Strong problem-solving and ability to quickly learn a new system for testing purposes •What Else You Need To Know •Senior Software Engineer, Test Infrastructure: $170,000–$230,000 •Level and base salary will be determined through the interview process. Factors may include relevant experience, technical proficiency, expected responsibilities, location, and internal equity. Compensation: •$130,000 - $230,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!