Senior Scientist

Overview

Develop and optimize cement rheology and milling for decarbonized cement.

Key Responsibilities

• rheology testing
• method development
• grinding evaluation
• lab experiments
• data analysis
• reporting

Tasks

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

Requirements

• ph.d.
• 2+ years
• r&d
• statistical analysis
• xrd
• sem

What You Bring

Sublime Systems use E-Verify to confirm the identity and employment eligibility of all new hires. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. Notice of E-Verify -Proven ability to perform project management, prioritize tasks, organize complex workflows, and drive progress across multiple R&D projects -Experience with research projects involving hypothesis testing, experimental design, and statistical analysis -Ph.D. in materials science/engineering, chemical engineering, solid-state chemistry, civil engineering, or related field -Fundamental understanding of inorganic materials science and chemistry especially related to cementitious material chemistry, rheology of cementitious materials and their interactions with polymers and particle engineering via grinding -Ability to pay close attention to detail, focusing on accuracy and quality, without losing sight of the bigger picture -Ability to select, design, and/or apply tools and techniques to measure physical and chemical properties -2+ years of practical industry experience in research and development, bench top scale-up, and materials engineering -Excellent interpersonal skills required to develop and maintain effective working relationships with all team members -Ability to use physical and chemical characterization techniques such as laser diffraction, TGA, XRF, XRD, BET, optical microscopy, and/or SEM -Strong presentation and communication skills, both written and verbal

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About Sublime Systems

-Born from MIT in 2020, two experts in materials and electrochemistry spun out a bold idea: make cement without kilns or CO₂ emissions. -Their electro-chemical refinery for rocks turns low-value feedstocks into cement plus valuable co-products like magnesium and aluminum. -The result is a cleaner, more durable, lighter cement that rivals and often exceeds OPC in durability and consistency. -Backed by Holcim and Siam Cement Group, they’re positioned to industrialize a true-zero solution that could decarbonize a major global industry.

Sector Specialisms