Senior Scientist

Sublime is advancing a breakthrough, clean, efficient, low-waste process for manufacturing cement, the essential ingredient in the most-consumed human-made material on Earth: concrete. Replacing 200-year-old manufacturing methods that are reliant on kilns running hotter than lava, our near-ambient-temperature, electrochemical technology manufactures industry-accepted cement and critical minerals. Were partnering with leading general contractors, concrete producers, developers, and technology hyperscalers to deploy our clean, durable, beautiful Sublime Cement in infrastructure that is defining the future of clean construction. Backed by some of the worlds largest cement producers, leading private investors, and the U.S. Department of Energy, we are assembling a talented, collaborative team that is "amped about cement" (pun intended) and committed to operating on the frontiers of material science, manufacturing, industry, construction, and commercial partnerships, to advance cement innovation that will endure for the next millennium.
Sublime is seeking a Senior Scientist to contribute to the development of our decarbonized cement with special expertise in rheology and milling of cementitious materials. This Scientist will be responsible for managing and conducting research to improve the performance of Sublime Cement through literature reviews, designing experiments, performing hand-on characterization and testing in lab, analyzing and interpreting data, and communicating results. This Scientist will also contribute their expertise to help set technical priorities and research strategy, plan and prioritize experiments, and contribute to the successful operation of our shared laboratory. This is an individual contributor role that will report to Sublimes Head of Product R&D. This position is in person at Sublimes headquarters in Somerville, MA, with occasional flexibility to work from home as appropriate based on team and project needs. This is an individual contributor role that will report to Sublimes Head of Product R&D. This position is in person at Sublimes headquarters in Somerville, MA, with occasional flexibility to work from home as appropriate based on team and project needs. Responsibilities for this role will include:

• Developing and implementing new experimental methods and tools to validate and optimize the performance of Sublimes cement
• Managing and keeping track of multiple work streams simultaneously
• Working closely with Process R&D teams to establish a tight feedback loop and continue to improve cement performance
• Performing lab experiments including rheology, milling and grinding, cement property measurements, analyzing data, and presenting results
• Design and execute rheological experiments to characterize the flow behavior of cementitious materials and additive/admixture compatibilities
• Evaluate grinding parameters for particle size distribution and surface area of cement to optimize fresh and hardened properties
• Devising and implementing strategies to improve cement performance
• Prioritizing and organizing the teams research activities
• Contributing to the development of Sublimes technology through literature reviews and informational interviews with industry experts
• Maintain, calibrate, and expand rheological testing capabilities in the lab
• Writing white papers, reports, and patent applications
• Championing safety, especially in the development of experimental processes
• Fostering a supportive, inclusive, innovative, and dynamic company culture

Sublime Systems is proud to be an Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.
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