About this opportunity
Fluidstack lists this Chief Cell Technologist, PV Systems opportunity in san francisco, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
About Fluidstack
We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.
We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.
We hire people who care deeply about this problem space.
How We Operate
Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.
Insane urgency. We drive everything forward as fast as possible.
Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.
Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.
Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world.
The Product Engineering, Photovoltaics (PV) Team
The PV Product Engineering team is building a captive photovoltaic supply chain to power gigawatt-scale AI infrastructure, starting at the cell.
Examples Of Key Problems The Team Is Working On
Select and commit to a silicon cell architecture (TOPCon, HJT, or back-contact) and the efficiency and cost trajectory that decision locks in for years.
Build the loss-analysis and efficiency entitlement framework that tells every process and device engineer where the next basis point of efficiency comes from.
Stand up pilot line partnerships and a technology transfer path from pilot to production that survives contact with a real fab.
Set cell procurement specs and co-engineer with suppliers so the buildout keeps moving while our own line comes up.
Role Scope
Own the selection of Fluidstack's cell architecture (TOPCon, HJT, or back-contact) and the technology roadmap behind it, with an efficiency and cost trajectory you can defend to a CEO and a fab partner alike.
Build the loss-analysis framework and efficiency entitlement model, decomposed across recombination, optical, and resistive losses, rigorous enough that every process and device engineer knows exactly where their next basis point comes from.
Direct the technical agenda of the process, device physics, and characterization teams in partnership with the PV Cell Engineering Lead, setting priorities that close real gaps to entitlement.
Scope and manage pilot line partnerships, and own the technology transfer strategy from pilot to production, including the make-vs-partner call.
Set cell procurement specs and drive supplier co-engineering while our own line comes up, so the cells we buy meet the same bar as the cells we intend to build.
What We're Looking For
15+ years in silicon PV cell technology, with at least one cell architecture (TOPCon, HJT, or back-contact) taken from concept to production efficiency targets, and the roadmap behind it owned by you.
You've built and defended a full loss budget across recombination, optical, and resistive losses, and closed real gaps to entitlement on a shipping cell.
You've led process transfers from pilot to production and know firsthand what breaks, from tool matching to yield collapse.
You hold published or patented depth in passivation, contacts, or device design.
You've directed multi-disciplinary cell R&D teams spanning process, device physics, and characterization, and set their technical priorities.
You can commit to an efficiency and cost trajectory and defend it under pressure, to a CEO and a fab partner alike.
Bonus: SunPower/Maxeon, Fraunhofer ISE, ISC Konstanz, or UNSW lineage, FEOC-clean supply chain exposure, back-contact architecture depth, or pilot line buildout experience.
We are committed to pay equity and transparency.
Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.
You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.
Compensation Range: $208K - $263K
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Worksite address
san francisco, CA, 94199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.