Senior Staff Safety Assurance Engineer, Robot Safety San Carlos, CA (on-site) About 1X We build humanoid robots that work alongside people to solve labor shortages and create abundance. The Role As a Senior Staff Safety Assurance Engineer, you will own the end-to-end safety assurance argument for the Neo robot platform. This role ensures that all safety work is integrated into a coherent, complete, and defensible safety case that supports deployment decisions. You’ll play a mission-critical role in shaping world-first safety assurance practices for humanoid robots designed for home environments. You will report to the Director of Robot Safety. You Will - Own and maintain the full safety case, including claims, arguments, assumptions, and supporting evidence - Evaluate the completeness, consistency, and strength of evidence supporting key safety claims - Assess confidence, uncertainty, coverage limitations, and assumptions across diverse deployment conditions - Lead deployment readiness assessments and clearly present risk framing to leadership - Maintain the safety case as system behavior, autonomy, and and operating conditions evolve - Support post-deployment monitoring of safety-relevant field data - Provide grounded input to inform risk acceptance decisions - Act as an independent, constructive reviewer and challenger of safety arguments Must Have - B.S. or higher in Engineering, Computer Science, or a related field - 10+ years of experience delivering safety-critical products (robotics, autonomous vehicles, medical devices, aerospace, or industrial automation), with direct work in safety assurance, system safety, or safety case development - Proven experience owning safety cases for systems operating around people - Deep understanding of functional safety, verification & validation, and compliance - Ability to reason about residual risk, confidence, and uncertainty - Experience evaluating autonomous, complex, or learning-enabled systems - Strong working knowledge of robotics and autonomy safety standards (e.g. UL 4600, IEC 61508, ISO 26262, ISO 21448) - Demonstrated ability to influence high-stakes decisions without formal authority - Excellent technical communication skills, including written safety arguments and executive-level briefings Preferred Qualifications - Experience assessing safety evidence derived from large-scale simulation or field data - Understanding of real-world safety monitoring, incident response, and feedback loops Experience contributing towards the development of safety confidence metrics Benefits & Compensation - Salary Range: $170k-$259k+ Equity - Health, dental, and vision insurance - 401(k) with company match - Paid time off and holidays Equal Opportunity Employer 1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.