Principal Systems Software EngineerCrusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack — from electrons to tokens — to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that — with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.About This RoleAs the Principal Systems Software Engineer, you will serve as the visionary lead for Crusoe's next-generation AI infrastructure. This is a role for an industry-recognized expert who has already "seen the movie" at hyperscale and is ready to redefine the I/O path for the age of generative AI. You aren't just building a cloud; you are designing the fluid fabric that unifies Bare-Metal-as-a-Service (BMaaS), Intelligent IaaS, and Elastic CaaS into a single, high-performance pool of intelligence.In this position, you will bridge the gap between silicon and software, advising executive leadership on critical hardware/software co-design pivots while remaining hands-on enough to lead elite R&D teams in shipping production-grade kernel and orchestration code. We are looking for a master of the I/O path who can push massive-scale training workloads to the theoretical limits of hardware. This is a full-time position.What You'll Be Working OnUnifying Infrastructure PillarsMastering the I/O PathAdvanced R&D LeadershipTechnical Strategy & DocumentationHigh-Level DebuggingIndustry InfluenceWhat You'll Bring to the TeamHyperscale ProvenanceDeep Systems AuthorityHardware-Software Co-DesignR&D LeadershipIndustry ContributionsCommunication MasteryMandatory EducationBonus PointsPatent HolderOpen Source LeadershipAI/ML Workload ExpertisePeer-reviewed publications at top systems venues (OSDI, SOSP, NSDI, SC), patents, IETF RFCsSignificant open-source contributions, or industry white papers on distributed systems, high-performance networking, or AI infrastructureBenefitsCompetitive compensationRestricted Stock UnitsPaid time off & paid holidaysComprehensive health, dental & vision insuranceEmployer contributions to HSA accountPaid parental leavePaid life insurance, short-term and long-term disabilityProfessional development & tuition reimbursementMental health & wellness supportCommuter benefits (parking & transit)Cell phone stipend401(k) Retirement plan with company match up to 4% of salaryVolunteer time offCompensation Range$260,000 - $340,000 + Significant Equity & Bonus.
Compensation is determined by the applicant's depth of expertise, previous impact at scale, and alignment with our architectural goals.Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.