Reliability Engineer

At Keystone AI, our mission is to contribute to a future where billions of people are living and thriving in space. Keystone AI is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Keystone AI is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Keystone AI the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Keystone AI is looking for a Reliability Engineer , reporting to the Vice President, Flight Safety & Mission Assurance, to support the development of the systems that will be required for the design and build of the world’s first commercial human-rated space stations. This will be a full-time , exempt position located in our Long Beach location. Responsibilities: Perform system-level reliability analyses, such as fault tree analysis, building reliability block diagrams, and perform failure modes and effects analysis (FMEA/FMECA) Perform reliability predictions using a variety of methodologies, including electronics reliability predictions Assist engineering teams in performing trade studies Develop and maintain spaceflight component reliability data Identify critical components with significant impact to safety and mission success Assist in root cause analysis, failure investigations, and risk characterization Minimum Qualifications: Minimum of a B.S. in aerospace engineering, mechanical engineering, electrical engineering, materials engineering, mathematics, physics, or related technical discipline Preferred Skills & Experience: Experience developing reliability models of spacecraft, launch site and/or launch vehicle systems Experience with human-rated, safety critical systems Experience with failure reporting and corrective action systems (FRACAS) Experience with reliability/life test design (failure modes discovery, life demonstration, and screening), Weibull analysis and parameter estimation, stress-strength interference analyses, probability distribution estimation, reliability growth modeling, and/or probabilistic risk analysis Experience with performing reliability analyses including Failure Modes, Effects and Criticality Analysis (FMECA), and Fault Tree Analysis (FTA) Ability to read and interpret engineering drawings, fluid schematics, and electrical circuit diagrams Excellent written, verbal, and interpersonal skills, and ability to communicate technical information to non-technical partners Ability to form relationships with experts from varying engineering fields and provide constructive feedback about safety and reliability concerns Additional Requirements: Ability to travel up to 20% of the time Willingness to work evenings and/or weekends to support critical mission milestones Ability to lift up to 25 lbs unassisted Pay Range: California $112,340 — $159,468 USD COMPENSATION AND BENEFITS Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Keystone AI’s ongoing commitment to providing high-quality meals for employees. U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITY Keystone AI is an Equal Opportunity Employer; employment with Keystone AI is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.