Senior Test Automation Software Engineer

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit www.chaosinc.com . Role Overview: CHAOS is seeking a Senior Software Engineer – Test Automation to develop and support automated test software, validation frameworks, and Special Test Equipment (STE/GSE) used to validate complex integrated hardware and software systems in R&D, production, and field environments. This role combines software development, hardware integration, and automated test infrastructure development for RF, comms, electro-optical, and embedded systems. The ideal candidate has strong Python development experience, hands-on hardware debugging skills, and experience automating commercial test equipment. This is a full-time, on-site position in El Segundo, CA. Responsibilities: Develop and maintain automated test software, frameworks, and infrastructure for system, subsystem, and production test Create Python-based automation for COTS instrumentation, embedded systems, and electrical STE/GSE Develop and execute automated verification, validation, and acceptance test procedures Integrate and troubleshoot oscilloscopes, spectrum analyzers, signal generators, VNAs, DMMs, and related test equipment Collaborate with Systems, Hardware, Software, and Production teams to define test strategies and interfaces Support system integration, root cause analysis, RCCA, and troubleshooting activities Improve test reliability, throughput, maintainability, and operational efficiency Develop technical documentation, training materials, and operational procedures Support deployment and sustainment of test systems in manufacturing and field environments Minimum Requirements: Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or related STEM field 5+ years of relevant experience or an advanced degree with 3+ years of relevant experience Strong Python software development experience Experience developing automated test systems for hardware-integrated products Experience automating commercial test equipment using SCPI, Ethernet, Serial, USB, or GPIB interfaces Experience with Linux-based systems and scripting languages such as Python, Bash, MATLAB, or C++ Familiarity with RF, radar, embedded, or electronic systems Strong debugging, troubleshooting, and technical communication skills Hands-on experience working in lab, integration, or production environments Ability to obtain and maintain a U.S. security clearance Preferred Requirements: Master’s degree in Engineering Experience with RF/radar systems and production test environments Experience with STE, GSE, ATE, or manufacturing test systems Experience with Git, CI/CD, and software configuration management Familiarity with networking fundamentals and diagnostic tools Experience developing operator GUIs or automated data analysis tools Familiarity with distributed, real-time, or asynchronous software systems Experience with automated data collection, telemetry analysis, or measurement system integration Why CHAOS? Health Benefits: Medical, dental, and vision benefits 100% paid for by the company Additional benefits : 401k (+ 50% company match up to 6% of pay), FSA, HSA, life insurance, and more Our Perks: Free daily lunch, ‘No meeting Fridays’, unlimited PTO, casual dress code Compensation Components: Competitive base salaries, generous pre-IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses Team Growth: 250 employees and counting across 5 global offices $130k-210k The stated compensation range reflects only the targeted base compensation range and excludes additional earnings such as bonus, equity, and benefits. If your compensation requirements fall outside of the range, we still encourage you to apply. The salary range for this role is an estimate based on a range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Recruiting Agencies: CHAOS Industries does not accept unsolicited resumes or outreach. Unsolicited submissions will not be reviewed or compensated. #LI-onsite